Global Operation Data Link Doc (Gold)-Wp17

ATM/AIS/SAR/SG/19WP/17 22-26/06/09 International Civil Aviation Organization The Nineteenth Meeting of the APANPIRG ATM/AIS/SAR Sub-Group (ATM/AIS/SAR/SG/19) Bangkok, Thailand, 22 26 June 2009

Agenda Item 4:

Review and progress the tasks assigned to the ATM/AIS/SAR/SG by APANPIRG

GLOBAL OPERATIONAL DATA LINK DOCUMENT (GOLD) UPDATE (Presented by the Secretariat)

SUMMARY This paper presents the status of the Global Operational Data Link Document (GOLD). This paper relates to Strategic Objectives: D: Efficiency Enhance the efficiency of aviation operations E: Continuity Maintain the continuity of aviation operations Global Plan Initiatives: GPI-17 Implementation of data link applications GPI-22 Communication network infrastructure

1.

INTRODUCTION

1.1 At the Informal Pacific ATC Coordinating Group (IPACG) and the Informal South Pacific ATS Coordination Group (ISPACG) and the respective FANS Interoperability Teams (FIT), it was concluded that a data link working group undertake a comprehensive review of the FANS Operations Manual (FOM) with the aim of revising the format and language used as required to achieve global endorsement of the FOM. This work is being progressed by the Ad Hoc Working Group, which has been coordinating directly with data link groups, to develop the Global Operational Data Link document (GOLD). The GOLD is intended primarily for airspace planners, controllers, pilots and dispatchers, training organizations for pilots and controllers, central monitoring and reporting agencies, and automation specialists at centers. 1.2 The Asia/Pacific Air Navigation Planning and Implementation Regional Group (APANPIRG) recognized a need to globally harmonize data link operations related to planning and implementation, operational procedures, initial qualification, post-implementation monitoring and corrective action, and to the greatest extent possible, resolve regional and/or State differences impacting seamless operations. Accordingly, APANPIRG/19 raised Conclusion 19/9 supporting the GOLD.

ATM/AIS/SAR/SG/19WP/17 2. DISCUSSION

2

Establishing the GOLD Ad Hoc Working Group 2.1 ICAO headquarters secretariat supports the work and Points-of-Contact (POCs) have been identified to serve on the Ad Hoc Working Group. Work program and Terms of Reference 2.2 The GOLD Ad Hoc Working Group will prepare a global operational data link document that: a) b) Takes account of ICAO provisions; Bases work on: 1) 2) 3) c) d) Guidance Material for ATS Data Link Services in North Atlantic Airspace (NAT GM); FOM; and RTCA DO-306/EUROCAE ED-122, Oceanic Safety and Performance Standard (Oceanic SPR Standard);

Harmonizes procedures globally; Provides performance specifications and guidance material for: 1) Communication Required Communication Performance (RCP) type(s) for Controller-Pilot Data Link Communications (CPDLC); and Surveillance Automatic Dependent Surveillance-Contract (ADSC) and FMC WPR;

2) e)

Includes guidelines and requirements for: 1) 2) Qualification/eligibility of aircraft data link equipage, aircraft operator, procedures and air traffic service provision; and Post-implementation monitoring;

f) g)

Identifies regional differences only as absolutely necessary; and Enables planning and implementation regional groups to globally adopt the GOLD.

3Status of the GOLD

ATM/AIS/SAR/SG/19WP/17

2.3 The Ad Hoc Working Group is continuing its assessments of existing material, developing and agreeing on material for the GOLD. New material is being developed on performance-based specifications, data collection, monitoring, analysis and results, which is based on material, such as DO-306/ED-122, and other material provided at IPACG/29 FIT/16, etc. The plan is to mature the GOLD and include additional information based on lessons learned. Following the GOLD Working Group meeting in early June 2009, the Working 2.4 Group has produced the GOLD Version 0.43 (Attached) which contains nearly all the relevant information provided in the NAT GM, the FOM, and DO-306/ED-122. The current high-level outline of the GOLD is as follows (parenthesis includes the number of pages for that section): FOREWORD (3) 1. Definitions (15) 2. Overview of data link operations (TBD) 3. Administrative provisions for data link (14) Service provision (7) Operator eligibility (5) Flight planning (2) 4. Operating procedures (62) CPDLC & ADS-C connection management (17) CPDLC (22) ADS-C (14) FMC WPR (1) Emergency and non-routine procedures (7) Voice phraseology related to data link operations (1) APPENDICES (120) 2.5 The GOLD coordinator maintains a number of documents that provide traceability between the GOLD and the source documents, e.g., FOM and NAT GM, and track open comments. Some material in the NAT GM still needs to be reviewed for inclusion. There are a total of 55 open comments, categorized as follows: 20 Additional information, 8 Clarification, confusing, 7 Editorial, 11 Review for completeness and correctness, 9 Serious potential conflicts with seamless operations. 2.6 The Ad Hoc Working Group is proceeding to complete the sections of the document requiring additional information and ensuring complete coverage of the FOM and the NAT GM. In addition, further work is needed to simplify text, ensure consistency in style, clean it up, and streamline the document. While Version 0.43 of the GOLD is intended primarily for internal use, the POCs intend to coordinate within their respective regions and/or organizations with guidance to obtain the appropriate level of comments on the GOLD, given the current state of its maturity, so significant issues can be identified early in the process. 2.7 The GOLD Ad Hoc Working Group is working to the following schedule:

ATM/AIS/SAR/SG/19WP/17 a) b) c) d) e) f) g) h)

4

17-18 November 2008 GOLD Ad Hoc WG #1 (London) Done January 2009 complete initial draft of GOLD V0.4 Done 2-6 March 2009 NAT FIG Update (Savannah, GA) Done 23-27 March 2009 ISPACG Update (Santiago, Chile) Done 27 April 8 May 2009 OPLINKP Update (Montreal, Canada) Note: the OPLINK meeting was postponed; 18-22 May 2009 IPACG Update (Seattle, WA) - Done 1-5 June 2009 - GOLD Ad Hoc WG #2 (Los Angeles) - Done September 2009 coordination draft GOLD for broad review

2.10 After the group has completed the GOLD, the group will consider how it will affect regional and other (e.g., ICAO and RTCA/EUROCAE) documentation. 3. 3.1 ACTION BY THE MEETING The meeting is invited to: a) note the information in this paper, b) take a copy of the working draft of the Gold (Version 0.43) home for review, and c) provide feedback on GOLD Version 0.43 to the Regional Office by 14 August 2009 for compilation and presentation to the Ad Hoc GOLD Working Group

ATM/AIS/SAR/SG/19WP/17 ATTACHMENT

Global Operational Data Link Document (GOLD)

Working Draft (for internal use only) Version 0.4.3 14-Jun-09

Prepared by the GOLD Ad Hoc Working Group

Sponsored by the North Atlantic Systems Planning Group (NAT SPG) and Asia/Pacific Air Navigation Planning and Implementation Regional Group (APANPIRG)

This document is available from [email protected].

Version 0.4.3 14-Jun-09

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Amendments to the GOLD The following table will be used to track updates to the GOLD by the Ad Hoc Working Group. Conventions for tracking changes will be discussed at the first meeting. Amendment Source 0.1 0.2 0.3 Pre-GOLD/1 Post-GOLD/1 Subject(s) Not used Annotated outline incorporated into document structure 12-Nov-08 The draft document at this stage is focused on populating 25-Nov-08 the outline with relevant material. Document style, formatting, and presentation of material is still being worked. This version incorporated the following: a) Introductory material from Chris (FOREWORD) b) Procedures from Norm and Gordon based on review of FOM and NAT GM (Chapter 4) c) CPDLC message elements and standardized free text based on PANS-ATM, FOM, NAT GM, and RTCA/EUROCAE Standards (Appendix A) d) Performance-based specifications for RCP 240/D and RCP 400/D based on NAT FIG Flimsy 4 and IPACG FIT/16 WP/3, Apx D (Appendix B) e) Regional/State-specific information (Appendix D) f) Aircraft/operator specific information from paragraph 8.6 of FOM (Appendix E) Baseline for subsequent work. 6-Feb-09 a) Accepted all tracked changes on previous version. b) Not tracked. Inserted FOM trace notes, NAT GM trace notes, and Editors notes in lieu of comments. c) Not tracked. Split Appendix B, Performance-based specifications, into two appendices, Appendix B, RCP specifications, and Appendix C, Surveillance performance specifications. Re-lettered subsequent appendices. d) Not tracked. Eliminated error! in crossreferences. Checked all cross references and corrected/clarified where necessary. Added hyperlinks for cross-referencing. e) Not tracked. Consistent use of notes. f) Not tracked. Cleaned up some of the Editors notes. g) Not tracked. Capitalization mainly selected UPPER CASE for message element text. Changed some UPPER CASE to lower case. h) Not tracked. Cleaned up table formats. i) Not tracked. Included Chapter 1 definitions from FOM, NAT GM, and performance specifications in iii Version 0.4.3 14-Jun-09 Date

0.3.1

T.Kraft

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Appendix B and C. j) Not tracked. Included Chapter 3, based on text from FOM and NAT GM. Changes from source documents are tracked. Text not highlighted is new text. k) Not tracked. Included Appendix C, based on text from FOM, NAT, DO-306/ED-122 and other source material. Tracked changes indicate differences from DO-306/ED-122 when applied to surveillance performance criteria. l) Tracked. Cleaned up Appendix B. m) Not tracked. Included input from Paul Radford on Appendix D. 0.4 0.4.1 T. Kraft Post-GOLD/1 T. Kraft Prep-GOLD/2 Accepted all tracked changes in 0.3.1. New baseline for internal GOLD Ad Hoc Working Group review. 6-Feb-09

Incorporated comments/work provided by Norm Dimock 7-May-09 on further review of NAT GM. Included, but not limited to: a. Corrections to cross-references b. Inclusion of crew/aero procedures c. Inclusion of guidance on controller responses to emergency messages and flight crew procedures on cancelling emergency situation. d. Other minor edits. Includes tracked changes from v0.4.1. Incorporates resolutions to the following comments: V31-10, 13, 16, 17, 18, 25, 26, 36, 46, 49, 56 V40-63, 64, 65, 67, 70, 71, 72, 74, 75, 76, 79, 80, 81, 84, 86, 89, 90, 91, 94, 97, 99, 100, 101. Includes tracked changes from v0.4.2, except as noted. a. Incorporates resolutions to the following comments: V31-002, 002, 009, 012, 020, 021, 023, 024, 028, 029, 030, 031, 033, 035, 044, 047, 050, 051, 052, 053, 054, 055 V40-087, 103, 104, 110, 114, 115, 118, 121, 127, 129, 130, 137, 139 V41-082, 083, 085, 088, 093, 095, 096, 098, 108 (partially) 138 b. Not tracked. Deleted all Ed Notes, except where additional material or editorial work is still needed. Deleted all NAT GM and FOM cross-reference notes. Deleted blue and green highlighting from text in Chapters 3 and 4 and parts of Appendix F. c. Incorporated data link overview in chapter 2, flight crew procedures in new chapter 5, and DARP and tailored arrival in new chapter 6. Tracked changes in iv 26-May-09

0.4.2

T. Kraft Incremental Prep GOLD/2

0.4.3

T. Kraft Post GOLD/2 Prep for 16-Jun Web Ex

14-Jun-09


GOLD

these chapter include those made at GOLD/2 plus editorial changes from document integration. d. Not tracked. Incorporated data link procedures for State aircraft data link operations in new Chapter 7, taken from FOM version 6 and edited for format, style, clarification, editorial.

GOLD

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Table of Contents Page FOREWORD (Chris) ............................................................................................................................ ix Chapter 1. Chapter 2. 2.1 2.2 2.3 2.4 Definitions (Tom) ............................................................................................................9 Overview of data link operations (Adam) ....................................................................9 Data link definitions .................................................................................................................9 Operational capabilities ............................................................................................................9 ACARS network.......................................................................................................................9 ATS Facilities Notification (AFN) logon .................................................................................9 2.4.1 Purpose of the AFN logon ...........................................................................................9 2.4.2 Timing of the initial AFN logon..................................................................................9 2.4.3 The initial AFN logon..................................................................................................9 2.4.4 Response to an AFN logon ..........................................................................................9 2.4.5 Address Forwarding AFN logon ................................................................................9 2.4.6 Correlating an AFN logon with a flight plan...............................................................9 2.4.7 Notification of ATS variations ....................................................................................9 CPDLC connection management .............................................................................................9 2.5.1 Purpose of a CPDLC Connection ................................................................................9 2.5.2 Active and Inactive CPDLC Connections ...................................................................9 2.5.3 Establishing a CPDLC Connection .............................................................................9 2.5.4 Transferring CPDLC Connections ..............................................................................9 2.5.5 Next Data Authority Notification ................................................................................9 2.5.6 AFN Logon Triggered By address forwarding............................................................9 2.5.7 Establishing an Inactive CPDLC Connection..............................................................9 2.5.8 Sequence of the NDA and FN_CAD messages...........................................................9 2.5.9 Terminating the active CPDLC Connection................................................................9 2.5.10 The CPDLC Connection Sequence .............................................................................9 2.5.11 Determination of an active CPDLC connection ..........................................................9 2.5.12 Non-standard events associated with CPDLC transfers ..............................................9 Controller-pilot data link communications (CPDLC) ..............................................................9 2.6.1 Introduction .................................................................................................................9 2.6.2 CPDLC message set ....................................................................................................9 2.6.3 CPDLC messages ........................................................................................................9 2.6.4 Responses to CPDLC messages ..................................................................................9 2.6.5 Open and Closed CPDLC messages............................................................................9 2.6.6 CPDLC dialogues ........................................................................................................9 2.6.7 Message Identification Numbers .................................................................................9 2.6.8 Message Reference Numbers ......................................................................................9 Automatic Dependent Surveillance Contract (ADS-C).........................................................9 2.7.1 Introduction .................................................................................................................9 2.7.2 ADS-C Groups ............................................................................................................9 2.7.3 Contents of ADS-C Groups additional information .................................................9 2.7.4 ADS Contracts.............................................................................................................9 2.7.5 Using ADS-C reports...................................................................................................9 vi Version 0.4.3 14-Jun-09

2.5

2.6

2.7

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Flight management computer waypoint position reporting (FMC WPR) ................................9 2.8.1 Introduction .................................................................................................................9 2.8.2 Flight planning requirement ........................................................................................9 2.8.3 Description...................................................................................................................9 2.8.4 Requirements ...............................................................................................................9 Administrative provisions related to data link operations (Tom) ..............................9 Service provision ......................................................................................................................9 3.1.1 ATC system validation ................................................................................................9 3.1.2 ATC automation ..........................................................................................................9 3.1.3 Contractual considerations for CSP.............................................................................9 3.1.4 Ground-ground coordination .......................................................................................9 3.1.5 Personnel licensing and training..................................................................................9 3.1.6 Aeronautical information, notifications, and interfacility agreements ........................9 3.1.7 Monitoring and data recording ....................................................................................9 Operator eligibility....................................................................................................................9 3.2.1 Personnel licensing and training..................................................................................9 3.2.2 FANS 1/A and FANS 1/A ADS-C data link operations..............................................9 3.2.3 FMC WPR ...................................................................................................................9 3.2.4 Operator responsibilities with regional/state monitoring agencies..............................9 3.2.5 Operations manuals, notifications and documentation for flight crews/dispatchers.........................................................................................................9 Flight planning..........................................................................................................................9 3.3.1 CPDLC and ADS-C.....................................................................................................9 3.3.2 FMC WPR ...................................................................................................................9 Operating procedures (Norm/Gordon).........................................................................9 Voice communications .............................................................................................................9 4.1.1 Flight crew Contact with Aeradio.............................................................................9 4.1.2 Aeradio - Response to Initial Contact..........................................................................9 4.1.3 Aeradio - Delayed CPDLC Messages .........................................................................9 ATS facilities notification (AFN) - CPDLC and ADS-C connection management .................9 4.2.1 ATS facilities notification (AFN)................................................................................9 4.2.2 CPDLC and ADS-C connection management.............................................................9 Controller-pilot data link communications (CPDLC) ..............................................................9 4.3.1 Means of communication ............................................................................................9 4.3.2 CPDLC capability........................................................................................................9 4.3.3 Use of pre-formatted and free text messages...............................................................9 4.3.4 Exchange of CPDLC messages ...................................................................................9 4.3.5 Multi-element requests ................................................................................................9 4.3.6 Multi-element uplink messages ...................................................................................9 4.3.7 Message closure...........................................................................................................9 4.3.8 Position reporting ........................................................................................................9 4.3.9 Using CPDLC to relay messages.................................................................................9 4.3.10 Weather deviation procedures .....................................................................................9 4.3.11 Delayed uplink messages.............................................................................................9 Emergency and non-routine procedures ...................................................................................9 4.4.1 Emergency procedures ................................................................................................9 vii Version 0.4.3 14-Jun-09

Chapter 3. 3.1

3.2

3.3

Chapter 4. 4.1

4.2 4.3

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Global Operational Data Link Document (GOLD) 4.4.2 Data link connection failures .......................................................................................9 4.4.3 Data link system shutdowns ........................................................................................9 4.4.4 Total communications failure ......................................................................................9 Automatic dependent surveillance contract (ADS-C) ...........................................................9 4.5.1 Introduction .................................................................................................................9 4.5.2 ADS-C description ......................................................................................................9 4.5.3 Factors to be considered when using ADS-C ..............................................................9 4.5.4 ADS-C connection management .................................................................................9 4.5.5 Periodic reporting interval ...........................................................................................9 4.5.6 Separation ....................................................................................................................9 4.5.7 Air traffic clearance monitoring ..................................................................................9 4.5.8 Coordination ................................................................................................................9 4.5.9 Alerting service............................................................................................................9 4.5.10 Aircraft navigation.......................................................................................................9 4.5.11 Position reporting ........................................................................................................9 Flight management computer waypoint position reporting (FMC WPR) ................................9 4.6.1 Flight crew - FMC WPR .............................................................................................9 4.6.2 ATC - FMC WPR........................................................................................................9 CPDLC voice phraseologies.....................................................................................................9 4.7.1 ATC phraseology.........................................................................................................9 4.7.2 Pilot phraseology .........................................................................................................9 Flight crew procedures ...................................................................................................9 Overview ..................................................................................................................................9 5.1.1 Operational differences between voice and data link communications.......................9 5.1.2 Operational approval for use of FANS ........................................................................9 5.1.3 When to use voice and when to use data link ..............................................................9 5.1.4 Loss of SATCOM data communications.....................................................................9 Logon........................................................................................................................................9 5.2.1 General.........................................................................................................................9 5.2.2 When to send the logon request...................................................................................9 5.2.3 Airborne entering FANS airspace ...............................................................................9 5.2.4 Automatic transfer between FANS FIRs .....................................................................9 5.2.5 Automatic transfer failures ..........................................................................................9 5.2.6 Exiting CPDLC and ADS-C airspace..........................................................................9 CPDLC ATS uplinks .............................................................................................................9 5.3.1 General.........................................................................................................................9 5.3.2 Crew response times for uplinked messages ...............................................................9 5.3.3 Conditional clearances.................................................................................................9 5.3.4 Expect Uplinks.........................................................................................................9 5.3.5 Uplinks containing FMC-loadable data ......................................................................9 CPDLC ATS downlinks ........................................................................................................9 5.4.1 General.........................................................................................................................9 5.4.2 Free text .......................................................................................................................9 5.4.3 Unsupported messages ................................................................................................9 5.4.4 CPDLC emergency page .............................................................................................9 5.4.5 CPDLC reports ............................................................................................................9 Automatic dependant surveillance contract...........................................................................9 viii GOLD

4.5

4.6 4.7

Chapter 5. 5.1

5.2

5.3

5.4

5.5


Global Operational Data Link Document (GOLD) Chapter 6. 6.1 6.2

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Advanced data link operations ......................................................................................9 Reroute procedures ...................................................................................................................9 6.1.1 Reroute procedures AOC initiated (DARP) .............................................................9 Tailored arrival (TA) ................................................................................................................9 6.2.1 Pre-flight coordination and operational context. .........................................................9 6.2.2 Clearance delivery and execution................................................................................9 State aircraft data link operations.................................................................................9 Introduction ..............................................................................................................................9 Military assumes responsibility for separation of aircraft (MARSA) .....................................9 Air-to-air refueling....................................................................................................................9 Formation flight data link procedures.......................................................................................9 ADS-C reports ..........................................................................................................................9

Chapter 7. 7.1 7.2 7.3 7.4 7.5

List of Figures Figure 2-1. Figure 2-2. Figure 2-3. Figure 2-4. Figure 2-5. Figure 2-6. Figure 2-7. Figure 2-8. Figure 2-9. Figure 2-10. Figure 2-11. Figure 2-12. Figure 2-13. Figure 2-14. Figure 2-15. Figure 2-16. Figure 2-17. Figure 2-18. Figure 2-19. Figure 2-20. Figure 2-21. Figure 2-22. Figure 2-23. Figure 2-24. Figure 2-25. Figure 2-26. Figure 2-27. Figure 2-28. GOLD Overview of data link system ................................................................................................ 9 Initial AFN logon .................................................................................................................. 9 CPDLC connection sequence ................................................................................................ 9 Next data authority notification............................................................................................. 9 Address forwarding message sequence (Transfer between areas where data link is provided)..................................................................................................................... 9 Transferring a logon using the FAN message ....................................................................... 9 Successful attempt to establish an inactive CPDLC connection ........................................... 9 Unsuccessful attempt to establish an inactive CPDLC connection ....................................... 9 Termination of the CPDLC connection................................................................................. 9 CPDLC transfer sequence of an aircraft between two ATS Units ........................................ 9 Use of the FCN message ....................................................................................................... 9 Initial logon transfer of CPDLC connection using address forwarding ................................ 9 Initial logon to transfer CPDLC connection using the FAN message................................... 9 Life cycle of the CPDLC connection process ....................................................................... 9 Avionics reject CPDLC uplinks sent by the ATS unit with the inactive connection ............................................................................................................................. 9 Effect of uplinking duplicate (or multiple) NDA messages .................................................. 9 Depiction of the change in route of an aircraft ...................................................................... 9 Uplinking a new NDA following a re-reroute....................................................................... 9 Non-delivery of the NDA message ....................................................................................... 9 Successful CPDLC connection following a re-send of the NDA message ........................... 9 Disconnection of both active and inactive connections......................................................... 9 ADS-C basic group................................................................................................................ 9 ADS-C predicted route group................................................................................................ 9 ADS-C projected intent group............................................................................................... 9 ADS-C intermediate intent group.......................................................................................... 9 ADS-C earth reference group ................................................................................................ 9 ADS-C air reference group.................................................................................................... 9 ADS-C periodic sequence ..................................................................................................... 9 ix Version 0.4.3 14-Jun-09

x Figure 2-29. Figure 2-30. Figure 2-31. Figure 2-32. Figure 2-33. Figure 2-34. Figure 2-35. Figure 2-36. Figure 4-1. Figure 4-2. Figure 4-3. Figure 4-4. Figure 4-5. Figure 4-6. Figure 4-7. Figure 4-8. Figure 4-9. Figure 4-10. Figure 4-11. Figure 6-1. Figure 7-1.

Global Operational Data Link Document (GOLD) ADS-C waypoint change event ............................................................................................. 9 ADS-C altitude range change event ...................................................................................... 9 ADS-C lateral deviation event............................................................................................... 9 Multiple ADS contracts with single aircraft.......................................................................... 9 Multiple ADS periodic contracts with different groups ........................................................ 9 Multiple ADS periodic contracts with different reporting intervals...................................... 9 Multiple ADS event contracts ............................................................................................... 9 Calculation of ADS-C periodic reporting interval ................................................................ 9 Initial AFN logon .................................................................................................................. 9 CPDLC connection sequence ................................................................................................ 9 Next data authority notification............................................................................................. 9 Subsequent next data authority notification .......................................................................... 9 Transfer between areas where data link is provided.............................................................. 9 Transiting data link areas....................................................................................................... 9 CPDLC connection transfer - Option 1 ................................................................................ 9 CPDLC connection transfer - Option 2 ................................................................................ 9 CPDLC connection transfer - Option 3 ................................................................................ 9 Priorities for ADS-C connections.......................................................................................... 9 ADS-C connection not available ........................................................................................... 9 The DARP process ................................................................................................................ 9 Air refueling pattern .............................................................................................................. 9

List of Tables Table 2-1. Table 2-2. Table 2-3. Table 2-4. Table 2-5. Table 2-6. Table 2-7. Table 2-8. Table 2-9. Table 3-1 Table 4-1 Table 4-2. Table 5-1. Table 6-1. Table 7-1. Table 7-2. Table 7-3. Table 7-4. Definitions for different types of data link systems and operations ...................................... 9 Definitions for sub-networks ................................................................................................. 9 Address forwarding messages ............................................................................................... 9 Responses to CPDLC uplink messages ................................................................................. 9 Priority of CPDLC responses ................................................................................................ 9 Examples of multi-element CPDLC messages...................................................................... 9 Examples of CPDLC message status..................................................................................... 9 Example of CPDLC dialogue................................................................................................ 9 Figure of merit values............................................................................................................ 9 Indicating data link equipment in Field 18............................................................................ 9 Terms to identify data link capability.................................................................................... 9 Clarification of uplink messages elements. ........................................................................... 9 Conditional clearance clarification of uplink messages ........................................................ 9 AOC initiated reroute procedures.......................................................................................... 9 MARSA initiation and termination procedures..................................................................... 9 Air refueling data link procedures ......................................................................................... 9 Single aircraft or formation joining an ALTRV data link procedures................................... 9 Formation Break-up or departure from ALTRV data link procedures.................................. 9


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Global Operational Data Link Document (GOLD) Appendices Appendix A A.1 A.2 A.3 A.4

xi

CPDLC message elements and standardized free text messages (Tom) ....................9

CPDLC message element response requirements key..............................................................9 CPDLC uplink message elements ............................................................................................9 CPDLC downlink message elements........................................................................................9 CPDLC standardized free text messages ..................................................................................9 A.4.1 CPDLC uplink standardized free text messages..........................................................9 A.4.2 CPDLC downlink standardized free text messages .....................................................9 RCP specifications (Tom)...............................................................................................9

Appendix B B.1 B.2

B.3

Terms and acronyms.................................................................................................................9 RCP 240 specification ..............................................................................................................9 B.2.1 RCP 240/D allocations ................................................................................................9 B.2.1.1 Air traffic service provider (ATSP)................................................................9 B.2.1.2 Communication service provider (CSP).........................................................9 B.2.1.3 Aircraft system ...............................................................................................9 B.2.1.4 Aircraft operator .............................................................................................9 RCP 400 specification ..............................................................................................................9 B.3.1 RCP 400/D allocations ................................................................................................9 B.3.1.1 Air traffic service provider (ATSP)................................................................9 B.3.1.2 Communication service provider (CSP).........................................................9 B.3.1.3 Aircraft system ...............................................................................................9 B.3.1.4 Aircraft operator .............................................................................................9 Surveillance performance specifications (Tom) ...........................................................9

Appendix C C.1 C.2

C.3

Terms and acronyms.................................................................................................................9 Surveillance performance type 180 specification .....................................................................9 C.2.1 Surveillance performance type 180/D allocations .......................................................9 C.2.1.1 Air traffic service provider (ATSP)................................................................9 C.2.1.2 Communication service provider (CSP).........................................................9 C.2.1.3 Aircraft system ...............................................................................................9 C.2.1.4 Aircraft operator .............................................................................................9 Surveillance performance type 400 specification .....................................................................9 C.3.1 Surveillance performance type 400/D allocations .......................................................9 C.3.1.1 Air traffic service provider (ATSP)................................................................9 C.3.1.2 Communication service provider (CSP).........................................................9 C.3.1.3 Aircraft system ...............................................................................................9 C.3.1.4 Aircraft operator .............................................................................................9 Post-implementation monitoring and analysis .............................................................9

Appendix D D.1

ANSP data collection and analysis ...........................................................................................9 D.1.1 ANSP data collection for CPDLC application ............................................................9 D.1.1.1 Measuring CPDLC Communication Performance .........................................9 D.1.1.2 Recording the data points for each CPDLC transaction .................................9 D.1.1.3 Data record for each CPDLC transaction .......................................................9 D.1.2 ANSP data collection for ADS-C application .............................................................9 xi Version 0.4.3 14-Jun-09

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Global Operational Data Link Document (GOLD) D.1.2.1 Measuring ADS-C Surveillance performance ................................................9 D.1.2.2 Recording the ADS-C data points for each ADS-C downlink. ......................9 D.1.2.3 Data record for each ADS-C downlink ..........................................................9 D.1.3 ANSP Data Analysis ...................................................................................................9 D.1.3.1 CPDLC analysis .............................................................................................9 D.1.3.2 ADS analysis ..................................................................................................9 D.1.3.3 Data Filtering..................................................................................................9 CSP data collection and analysis ..............................................................................................9 Problem reporting and resolution .............................................................................................9 Regional/global analysis...........................................................................................................9 Regional/State-specific information (Tom)...................................................................9

D.2 D.3 D.4

Appendix E E.1 E.2

Regional and/or State information............................................................................................9 Regional and/or State differences .............................................................................................9 Operator/aircraft specific information (Gordon) ........................................................9

Appendix F F.1 F.2 F.3 F.4 F.5 F.6 F.7 F.8 F.9 F.10 F.11 F.12 F.13

Verifying registration number ..................................................................................................9 CPDLC connection requests.....................................................................................................9 Flight crew display:- response and acknowledgement .............................................................9 FMS processing of waypoints ..................................................................................................9 Multiple request messages........................................................................................................9 Waypoint sequencing................................................................................................................9 Network acknowledgement timer.............................................................................................9 Open uplinks at time of transfer of communications................................................................9 Offset using the FMS................................................................................................................9 Duplicate uplink messages .......................................................................................................9 Variable constraints ..................................................................................................................9 ADS-C emergency report interval default ................................................................................9 Delayed uplink messages..........................................................................................................9


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FOREWORD (Chris) 1. Historical background

1.1 The Global Operational Data Link Document (GOLD) is the result of the progressive evolution of the FANS 1/A Operations Manual, prepared initially by the Informal South Pacific Air Traffic Services Coordinating Group (ISPACG), and the Guidance Material for ATS Data Link Services in North Atlantic Airspace, produced by the North Atlantic FANS Implementation Group (NAT FIG), on behalf of the North Atlantic Systems Planning Group (NAT SPG). 1.2 Each of the two founding documents provided guidance on a regional basis. However, in recognition of the need to provide globally harmonized guidance on data link operations, the GOLD became effective on [date]. 1.3 This edition, re-titled Global Operational Data Link Document (GOLD), provides for a comprehensive update of the guidance as well as a major reorganization of the contents of the founding documents. This includes the incorporation of performance-based specifications and associated guidance on data collection, monitoring, and analysis. 2. Scope and Purpose

2.1 The GOLD provides guidance and information concerning data link aspects of aeronautical activity and is intended to facilitate the uniform application of Standards and Recommended Practices contained in Annex 2 Rules of the Air and in Annex 11 Air Traffic Services, the provisions in the Procedures for Air Navigation Services Air Traffic Management (PANS-ATM, Doc 4444) and, when necessary, the Regional Supplementary Procedures (Doc 7030). 2.2 This guidance material is intended to maximize operational benefits in data link operations by promoting seamless and interoperable data link operations throughout the world. This edition limits itself to those data link operations that apply to the use of FANS 1/A and its applications: automatic dependent surveillance contract (ADS-C), controller-pilot data link communications (CPDLC) and the flight management computer waypoint position reporting (FMC WPR). It also addresses the performance of the data link applications taking into consideration the transmission media used by those applications. Future editions are expected to incorporate guidance that applies to the planned expansion of ATN CPDLC in core Europe as well as the use of FANS 1/A in continental Europe. 2.3 While directed primarily at air traffic services personnel and flight crews, the following personnel should be familiar with various aspects of its contents: regulators, airspace planners, aircraft operators, dispatchers, communication service providers and radio operators, training organizations, central monitoring and reporting agencies, automation specialists at centers and radio facilities, and aircraft manufacturers and equipment suppliers. 2.4 The guidance will support the following activities: a) the States roles and responsibilities in relation to the following: 1) 2) 3) GOLD safety regulatory oversight of air navigation services; operational authorizations, flight crew training and qualification; design approval of aircraft data link systems xiii Version 0.4.3 14-Jun-09

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b) the development of agreements and/or contractual arrangements between air navigation service providers and aircraft operators and their respective communication service providers; c) development of operational procedures; and d) operational monitoring, analysis, and exchange of operational data among regions, States, and communication service providers. 3. Status

While this guidance may contain material which may eventually become Standards and Recommended Practices (SARPs), or PANS provisions when it has reached the maturity and stability necessary for adoption or approval as such, it may also comprise material prepared as an amplification of the basic principles in the corresponding SARPs, and designed particularly to assist the user in the application of the SARPs and PANS. 4. Implementation The implementation of procedures is the responsibility of Contracting States; they are applied in actual operations only after, and in so far as, States have enforced them. However, with a view to facilitating their processing towards implementation by States, this complementary guidance material has been prepared in language which will permit direct use by air traffic services personnel and others associated with the provision of air traffic services to international air navigation. 5. Promulgation of information

Information relating to the establishment and withdrawal of and changes to facilities, services and procedures affecting aircraft operations should be notified and take effect in accordance with Annex 15 Aeronautical Information Services . 6. a) Annex 2 Rules of the Air References

6.1 The following references are cited in this document: b) Annex 6 Operation of Aircraft and Part I International Commercial Air Transport Aeroplanes c) Annex 10 Aeronautical Telecommunications and Volume II Communication Procedures including those with PANS status d) e) f) g) h) Annex 10 Aeronautical Telecommunications and Volume III Communication Systems Annex 11 Air Traffic Services Annex 15 Aeronautical Information Services Procedures for Air Navigation Services Air Traffic Management (PANS-ATM, Doc 4444) Regional Supplementary Procedures (Doc 7030)


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i) Procedures for Air Navigation Services ICAO Abbreviations and Codes (PANS-ABC, Doc 8400) j) Manual on Airspace Planning Methodology for the Determination of Separation Minima (Doc 9689) k) Manual on Required Communication Performance (RCP) (Doc 9869) l) Safety and Performance Standard for Air Traffic Data Link Services in Oceanic and Remote Airspace (Oceanic SPR Standard, RTCA DO-306/EUROCAE ED-122). m) Safety and Performance Standard for Air Traffic Data Link Services in Continental Airspace (Continental SPR Standard, RTCA DO-290/EUROCAE ED-120, Change 1 and Change 2). n) Interoperability Requirements for ATS Applications Using ARINC 622 Data Communications (FANS 1/A INTEROP Standard, RTCA DO-258A/EUROCAE ED-100A). o) Interoperability Requirements Standard for Aeronautical Telecommunication Network Baseline 1 (ATN B1 INTEROP Standard, RTCA DO-280B/EUROCAE ED-110B). p) Future Air Navigation System 1/A Aeronautical Telecommunication Network Interoperability Standard (FANS 1/A ATN B1 INTEROP Standard, RTCA DO-305/EUROCAE ED-154). 8. Changes to the document

Editors note 1. TK - This section will provide a statement on the procedures for changing the document. It is envisaged that this document will be changed via formal change procedures under the auspices of ICAO in some form to be determined. GOLD AD Hoc Working Group needs to provide text.

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Global Operational Data Link Document (GOLD) Chapter 1. Definitions (Tom)

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When the following terms are used in the present document they have the following meanings. Where the term has (ICAO) annotated, the term has already been defined as such in SARPs and/or PANS.

Editors note 2. TK - This section will ultimately include terms and acronyms used in the document and will be completed on finalization of first edition. During the development of the GOLD, it will include terms collected from the NAT GM and FOM, and added from new text. The Used in column indicates where the term is used and indicates if a correction was made to the definition. When the NAT GM or FOM use terms that are defined by ICAO, the ICAO definitions (or derivatives of the term) were included. GOLD Ad Hoc Working Group needs to review for consistency with GOLD prior to completion and remove the Used in column.

Term AAR. The symbol used to designate air-to-air refueling. ACAC. The symbol used to designate Arab Civil Aviation Commission.

Used in FOM FOM

ACARS. The symbol used to designate the aircraft communications addressing and NAT reporting system. FOM ACAS. The symbol used to designate aircraft collision avoidance system. (ICAO) ACC. The symbol used to designate area control centre. (ICAO) FOM NAT

ADS. The symbol used to designate automatic dependent surveillance (retained for NAT reference with non-updated documents. This term would normally be used to refer to FOM ADS-C). ADS-B. The symbol used to designate automatic dependent surveillance broadcast. FOM (ICAO) ADS-C service. A term used to indicate an ATS service that provides surveillance GOLD, information by means of the ADS-C application. Apx C Note. ICAO Doc 4444 does not include ADS-C in its definition for ATS surveillance system. Therefore, an ATS surveillance service does not consider those provided by means of the ADS-C application, unless it can be shown by comparative assessment to have a level of safety and performance equal to or better than monopulse SSR. ADS-C. The symbol used to designate automatic dependent surveillance contract. FOM (ICAO) (Removed e.g.) AEEC. The symbol used to designate Airline Electronic Engineering Committee. FOM

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2 Term

Global Operational Data Link Document (GOLD) Used in

Aeronautical fixed telecommunication network (AFTN). A worldwide system of ICAO aeronautical fixed circuits provided, as part of the aeronautical fixed service, for the exchange of messages and/or digital data between aeronautical fixed stations having the same or compatible communications characteristics. (ICAO) Aeronautical Information Publication (AIP). A publication issued by or with the ICAO authority of a State and containing aeronautical information of a lasting character essential to air navigation. (ICAO) Aeronautical operational control (AOC). Communication required for the exercise of ICAO authority over the initiation, continuation, diversion or termination of flight for safety, regularity and efficiency reasons. (ICAO) Aeronautical telecommunication network (ATN). Application entities and ICAO communication services which allow ground, air-to-ground and avionics data subnetworks to interoperate by adopting common interface services and protocols based on the International Organization for Standardization (ISO) open systems interconnection (OSI) reference model. (ICAO Doc 9705, sub-volume 1 note) AFN. The symbol used to designate ATS facilities notification. NAT FOM

AFTN. The symbol used to designate aeronautical fixed telecommunication network. NAT (ICAO) AIDC. The symbol used to designate ATC interfacility data communication. (ICAO) FOM (Corrected per ICAO) NAT FOM ICAO

AIP. The symbol used to designate Aeronautical Information Publication. (ICAO) Air traffic control (ATC) service. A service provided for the purpose of: a) preventing collisions: 1) 2) b) between aircraft, and on the manoeuvring area between aircraft and obstructions; and

expediting and maintaining an orderly flow of air traffic. (ICAO)

Air traffic management (ATM). The dynamic, integrated management of air traffic and ICAO airspace including air traffic services, airspace management and air traffic flow management safely, economically and efficiently through the provision of facilities and seamless services in collaboration with all parties and involving airborne and ground-based functions. (ICAO)


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Global Operational Data Link Document (GOLD) Term Used in

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Air traffic service (ATS). A generic term meaning variously, flight information service, ICAO alerting service, air traffic advisory service, air traffic control service (area control service, approach control service or aerodrome control service). (ICAO) Air traffic services unit (ATSU). A generic term meaning variously, air traffic control ICAO unit, flight information centre or air traffic services reporting office. (ICAO) Airborne collision avoidance system (ACAS). An aircraft system based on secondary ICAO surveillance radar (SSR) transponder signals which operates independently of groundbased equipment to provide advice to the pilot on potential conflicting aircraft that are equipped with SSR transponders. (ICAO) Aircraft system availability (AAIRCRAFT). Aircraft equipage availability is the probability GOLD, Apx B, of available capability on an aircraft with an average flight of 6 hours. Apx C AIREP. The symbol used to designate an air-report. (ICAO) ICAO

Air-report. A report from an aircraft in flight prepared in conformity with requirements for NAT position, and operational and/or meteorological reporting. (ICAO) ALTRV. The symbol used to designate altitude reservation. (ICAO abbreviation?) AOC. The symbol used to designate aeronautical operational control. (ICAO) FOM NAT FOM (Corrected per ICAO)

APANPIRG. The symbol used to designate Asia/Pacific Air Navigation Planning and FOM Implementation Regional Group. Appropriate ATS authority. The relevant authority designated by the State responsible ICAO for providing air traffic services in the airspace concerned. (ICAO) Appropriate authority. a) Regarding flight over the high seas: The relevant authority of the State of Registry. b) Regarding flight other than over the high seas: The relevant authority of the State having sovereignty over the territory being overflown. (ICAO) AR. The symbol used to designate aerial refueling. (Not an ICAO abbreviation. See ICAO FOM Doc 8400, WF) ARCP. The symbol used to designate air refueling control point. (ICAO abbreviation?) FOM ICAO

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4 Term


Area control centre (ACC). A unit established to provide air traffic control service to NAT controlled flights in control areas under its jurisdiction. (ICAO) AREX. The symbol used to designate air refueling exit point. (ICAO abbreviation?) ARINC. The symbol used to designate Aeronautical Radio Incorporated. ARIP. The symbol used to designate air refueling initial point. (ICAO abbreviation?) ARP. The symbol used to designate an air-report message. (See AIREP) FOM FOM FOM NAT

ASECNA. The symbol used to designate Agence Pour la Securite de la Navigation FOM Aerienne en Afrique et a Madagascar. ATC. The symbol used to designate air traffic control. (ICAO) ATM. The symbol used to designate air traffic management. (ICAO) ATN. The symbol used to designate aeronautical telecommunication network. (ICAO) NAT FOM FOM NAT (Corrected per ICAO) FOM

ATNS. The symbol used to designate Air Traffic and Navigation Services (Africa).

ATS interfacility data communication (AIDC). Automated data exchange between air ICAO traffic services units, particularly in regard to co-ordination and transfer of flights. (ICAO) ATS surveillance service. A term used to indicate a service provided directly by means of GOLD, an ATS surveillance system. (ICAO) Apx C ATS surveillance system. A generic term meaning variously, ADS-B, PSR, SSR or any GOLD, comparable ground-based system that enables the identification of aircraft. Apx C Note. A comparable ground-based system is one that has been demonstrated, by comparative assessment or other methodology, to have a level of safety and performance equal to or better than monopulse SSR. (ICAO) ATS. The symbol used to designate air traffic service. (ICAO) NAT FOM (Corrected per ICAO) NAT FOM GOLD

ATSU. The symbol used to designate ATS unit. (ICAO, sort of)


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Automatic dependent surveillance broadcast (ADS-B). A means by which aircraft, ICAO aerodrome vehicles and other objects can automatically transmit and/or receive data GOLD such as identification, position and additional data, as appropriate, in a broadcast mode Apx C via a data link. (ICAO) Automatic dependent surveillance contract (ADS-C). A means by which the terms of ICAO an ADS-C agreement will be exchanged between the ground system and the aircraft, GOLD, via a data link, specifying under what conditions ADS-C reports would be initiated, Apx C and what data would be contained in the reports. (ICAO) Note. The abbreviated term ADS contract is commonly used to refer to ADS event contract, ADS demand contract, ADS periodic contract or an emergency mode. AVICOM. The symbol used to designate AVICOM Japan Co. LTD. FOM

C for RCTP. The proportion of intervention messages and responses that can be delivered GOLD, within the specified RCTP for intervention. Apx B C for RCTPAIR. The proportion of intervention messages and responses that can be GOLD, Apx B delivered within the specified RCTPAIR for Intervention. C for RCTPATSU. The proportion of intervention messages and responses that can be GOLD, Apx B delivered within the specified RCTPATSU for Intervention. C for RCTPCSP. The proportion of intervention messages and responses that can be GOLD, Apx B delivered within the specified RCTPCSP for Intervention. C for RSTPAIR. The proportion of surveillance messages that can be delivered within the GOLD, Apx C specified RSTPAIR. C for RSTPATSU. The proportion of surveillance messages that can be delivered within the GOLD, Apx C specified RSTPATSU. C for RSTPCSP. The proportion of surveillance messages that can be delivered within the GOLD, Apx C specified RSTPCSP. C for TRN. The proportion of intervention messages and responses that can be delivered GOLD, Apx B within the specified TRN for intervention. CAA. The symbol used to designate civil aviation authority. (See ICAO, Appropriate FOM authority and Appropriate ATS authority.

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6 Term

Global Operational Data Link Document (GOLD) Used in NAT (Corrected per CADS spec)

CADS. The symbol used to designate centralized ADS system.

CDA. The symbol used to designate current data authority. (See ICAO definition for NAT current data authority) CFRS. The symbol used to designate centralized FMC waypoint reporting system. Closed message. A message that: a) b) contains no message elements that require a response; or has received a closure response. NAT NAT

Closure response. A message containing a message element that has the ability to close NAT another message. CMU. The symbol used to designate communications management unit. CNS. The symbol used to designate communications, navigation, surveillance. (ICAO) NAT FOM

CNS/ATM. The symbol used to designate communications, navigation and surveillance/air NAT traffic management. (ICAO) Control area (CTA). A controlled airspace extending upwards from a specified limit ICAO above the earth. (ICAO) Controller-pilot data link communications (CPDLC). A means of communication ICAO between controller and pilot, using data link for ATC communications. (ICAO) CPDLC dialogue. (See ICAO definition for dialogue.) a) a single message that is a closed message; or b) a series of messages beginning with an open message, consisting of any messages related to the original open message and each other through the use of Message Reference Numbers (MRNs) and ending when all of these messages are closed. CPDLC. The symbol used to designate controller pilot data link communications. (ICAO) CRA. The symbol used to designate Central Reporting Agency. CRASA. The symbol used to designate CRA Support Agency. CRC. The symbol used to designate cyclic redundancy check. FOM FOM FOM FOM NAT


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Global Operational Data Link Document (GOLD) Term CSP. The symbol used to designate communication service provider. CTA. The symbol used to designate control area. (ICAO) Used in GOLD Apx B NAT

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Current data authority. The designated ground system through which a CPDLC dialogue ICAO between a pilot and a controller currently responsible for the flight is permitted to take place. (ICAO) DARP. The symbol used to designate planned airborne reroute procedure. GOLD

Defined message element. A message element whose content and format are pre- NAT determined. A defined message element may require specified information to be inserted, but the rest of the content is not variable. Because of this, defined message elements make automatic processing possible. Dialogue. A co-operative relationship between elements which enables communication and ICAO joint operation. (ICAO) DM. The symbol used to designate downlink message. Downlink message (DM). A CPDLC message sent from an aircraft. EMERG. The symbol used to designate emergency. (ICAO) EMG. The symbol used to designate emergency message. NAT FOM NAT ICAO NAT

EUROCAE. The symbol used to designate European Organisation for Civil Aviation FOM Equipment. FAA. The symbol used to designate Federal Aviation Administration. FANS 1/A. The symbol used to designate FANS 1/A, as defined by DO-258A/ED-100A. FANS. The symbol used to designate future air navigation system. FCMA. The symbol used to designate FANS Central Monitoring Agency. FDPS. The symbol used to designate flight data processing system. (ICAO) FFE. The symbol used to designate FANS front end. FIR. The symbol used to designate flight information region. (ICAO) FOM NAT NAT FOM NAT NAT NAT NAT FOM

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8 Term

Global Operational Data Link Document (GOLD) Used in FOM NAT

FIT. The symbol used to designate FANS Interoperability Team. FL. The symbol used to designate flight level.

Flight information region (FIR). An airspace of defined dimensions within which flight ICAO information service and alerting service are provided. (ICAO) Flight level (FL). A surface of constant atmospheric pressure which is related to a specific ICAO pressure datum, 1 013.2 hectopascals (hPa), and is separated from other such surfaces by specific pressure intervals. (ICAO) Note 1. A pressure type altimeter calibrated in accordance with the Standard Atmosphere: a) when set to a QNH altimeter setting, will indicate altitude; b) when set to QFE altimeter setting, will indicate height above the QFE reference datum; c) when set to a pressure of 1 013.2 hPa, may be used to indicate flight levels. Note 2. The terms height and altitude, used in Note 1 above, indicate altimetric rather than geometric heights and altitudes. FMC WPR service. A term used to indicate an ATS service that provides surveillance GOLD, information by means of the FMC WPR application. Apx C Note. ICAO Doc 4444 does not include FMC WPR in its definition for ATS surveillance system. Therefore, an ATS surveillance service does not consider those provided by means of the FMC WPR application, unless it can be shown by comparative assessment to have a level of safety and performance equal to or better than monopulse SSR. FMC WPR. The symbol used to designate flight management computer waypoint position NAT reporting. FMC. The symbol used to designate flight management computer. FMS. The symbol used to designate flight management system. NAT FOM NAT FOM

Free text message element. (usually referred to as a free text message) A message NAT element whose content is variable, i.e. composed by the sender. ATS providers may construct a set of preformatted free text messages to relieve controllers of the burden of repeatedly composing commonly used messages. Such a set should include an explanation as to the intended meaning of each message. GES. The symbol used to designate ground earth station (satellite). Version 0.4.3 14-Jun-09 8 FOM GOLD

Global Operational Data Link Document (GOLD) Term GPS. The symbol used to designate global positioning system (USA). HF. The symbol used to designate high frequency (3-30 Mhz). (ICAO) IATA. The symbol used to designate International Air Transport Association. ICAO. The symbol used to designate International Civil Aviation Organization. (ICAO) Used in NAT FOM NAT FOM FOM

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NAT FOM (Corrected per ICAO) NAT

ICD. The symbol used to designate interface control document.

IFALPA. The symbol used to designate International Federation of Air Line Pilots FOM Associations. IFATCA. The symbol used to designate International Federation of Air Traffic Controllers FOM Associations. IIOACG. The symbol used to designate Informal Indian Ocean ATS Coordination Group. IOOM. The symbol used to designate Indian Ocean Operations Manual. IPACG. The symbol used to designate Informal Pacific ATC Coordinating Group. ISPACG. The symbol used to designate Informal South Pacific ATS Coordinating Group. JCAB. The symbol used to designate Civil Aviation Bureau Japan. MAS. The symbol used to designate message assurance. FOM FOM FOM FOM FOM NAT

Maximum accumulated unplanned outage time (min/yr). Measured by accumulating GOLD, only the duration times for unplanned outages greater than the unplanned outage Apx B, duration limit during any 12-month period. Apx C Maximum number of unplanned outages. Measured for any 12-month period. Failures GOLD, causing unplanned outages for multiple ATS units are only counted once. Apx B, Apx C MCDU. The symbol used to designate multipurpose control display unit (ACARS & FOM FMC). MEL. The symbol used to designate minimum equipment list. (ICAO) NAT

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10 Term


Message closure. Providing the closure response. Irrespective of the number of elements NAT that require a response contained in an open message, each open message will be closed by a single message element, determined by the particular mix of attributes assigned to the elements contained in the open message. Message element identifier. The ASN.1 tag of the ATCUplinkMsgElementId or the ICAO ATCDownlinkMsgElementId. (ICAO) Message element. A component of a message used to define the context of the information ICAO exchanged. (ICAO) Message element. A portion of a message. Each message element is assigned a particular NAT set of attributes that determine: a) b) c) its priority; whether it will close other message elements; which other message elements are suitable responses; and

d) whether it requires a closure response and, if so, which other message elements are able to close it. Message. An individual uplink or downlink CPDLC communication, made up of one or NAT more message elements (maximum of five). Message. Basic unit of user information exchanged between an airborne application and its ICAO ground counterpart or between two ground applications. Messages are passed in one or more data blocks from one end user to another through different subnetworks. (ICAO) MET. The symbol used to designate meteorological or meteorology. (ICAO) NAT (Corrected per ICAO)

MIN. The symbol used to designate message identification number. (See ICAO definition NAT for message element identifier.) Minimum equipment list (MEL). A list which provides for the operation of aircraft, ICAO subject to specified conditions, with particular equipment inoperative, prepared by an operator in conformity with, or more restrictive than, the MMEL established for the aircraft type. (ICAO) MNPS. The symbol used to designate minimum navigation performance standards. NAT

Monitored operational performance (TRN). The portion of the transaction time (used for GOLD, intervention) that does not include the times for message composition or recognition of Apx B the operational response. MRN. The symbol used to designate message reference number. Version 0.4.3 14-Jun-09 10 NAT GOLD

Global Operational Data Link Document (GOLD) Term MTBF. The symbol used to designate mean time between failures. MTTR. The symbol used to designate mean time to repair. MU. The symbol used to designate management unit (ACARS). Used in FOM FOM NAT FOM

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NAT FIG. The symbol used to designate North Atlantic Future Air Navigation Systems NAT Implementation Group. NAT IMG. The symbol used to designate North Atlantic Implementation Management NAT Group. NAT SPG. The symbol used to designate North Atlantic Systems Planning Group. NAT. The symbol used to designate North Atlantic. NAT NAT

NDA. The symbol used to designate next data authority. (See ICAO definition for next data NAT authority.) FOM Next data authority. The ground system so designated by the current data authority ICAO through which an onward transfer of communications and control can take place. (ICAO) NOTAM. A notice distributed by means of telecommunication containing information FOM concerning the establishment, condition or change in any aeronautical facility, service, (Corrected procedure or hazard, the timely knowledge of which is essential to personnel per ICAO) concerned with flight operations. (ICAO) Open message. A message that contains at least one message element that requires a NAT response. An open message remains open until the required response is received. Operational communication transaction. The process a human uses to initiate the GOLD, transmission of an instruction, clearance, flight information, and/or request, and is Apx B completed when that human is confident that the transaction is complete. ORD. The symbol used to designate operational requirements document. OTS. The symbol used to designate organized track system. NAT NAT

PANS-ATM. The symbol used to designate Procedures for Air Navigation Services Air NAT Traffic Management (ICAO Doc 4444). (ICAO) POS. The term used to designate ICAO position report message. NAT

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12 Term


Preformatted free text message. A standardized free text message that is created and NAT formatted automatically by the avionics or ground system, so that the content may be GOLD used by the message recipient's automation.A free text message that is precomposed. RCP availability (A). Probability that an operational communication transaction can be GOLD, initiated when needed. Apx B RCP continuity (C). Probability that an operational communication transaction can be GOLD, completed within the communication transaction time, ET or TT 95%. Apx B RCP expiration time (ET). The maximum time for the completion of the operational GOLD, communication transaction after which the initiator should revert to an alternative Apx B procedure. RCP integrity (I). Acceptable rate of one or more undetected errors in a completed GOLD, communication transaction. Apx B RCP nominal transaction time (TT 95%). The nominal time for the completion of the GOLD, operational communication transaction at 95%. Apx B RCTPAIR. The summed critical transit times for an ATC intervention message and a GOLD, Apx B response message, allocated to the aircraft system. RCTPATSU. The summed critical transit times for an ATC intervention message and a GOLD, Apx B response message, allocated to the ATS unit system. RCTPCSP. The summed critical transit times for an ATC intervention message and a GOLD, Apx B response message, allocated to the communication service provider system. Required communication performance (RCP). A statement of the performance ICAO requirements for operational communication in support of specific ATM functions. (ICAO) Required Communication Technical Performance (RCTP). The technical portion of the GOLD, transaction time (used for intervention) that does not include the times for message Apx B composition, operational response, and recognition of the operational response. Required navigation performance (RNP). A statement of the navigation performance ICAO necessary for operation within a defined airspace. (ICAO) Note. Navigation performance and requirements are defined for a particular RNP type and/or application.


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Responder performance. The operational portion of the transaction time to prepare the GOLD, operational response, and includes the recognition of the instruction, and message Apx B composition, e.g., flight crew/HMI for intervention transactions. RNP. The symbol used to designate required navigation performance. RSP availability (A). Probability that surveillance data can be provided when needed. FOM GOLD, Apx C

RSP continuity (C). Probability that surveillance data can be delivered within the position GOLD, RSP time parameter, ET or TT 95%. Apx C RSP data latency. The required time for surveillance data delivery. GOLD, Apx C

RSP integrity (I). Acceptable level of confidence that the surveillance data is within GOLD, specified tolerances. RSP integrity includes such factors as rate of one or more Apx C undetected errors in the transmission of the surveillance data, the accuracy of aircraft position and time data, data latency, update rate (i.e., reporting interval), extrapolation and/or estimation of the data. RSP nominal delivery time (DT 95%). The nominal time for the successful delivery of GOLD, surveillance data at 95%. Apx C RSP overdue delivery time (OT). The maximum time for the successful delivery of GOLD, surveillance data after which the initiator should revert to an alternative procedure. Apx C RSTPAIR. The overdue (OD) or nominal (DT) transit time for surveillance data from the GOLD, Apx C aircrafts avionics to the antenna. RSTPATSU. The overdue (OD) or nominal (DT) transit time for surveillance data from the GOLD, Apx C CSP interface to the ATS units flight data processing system. RSTPCSP. The overdue (OD) or nominal (DT) transit time for surveillance data allocated to GOLD, Apx C the CSP. RVSM. The symbol used to designate reduced vertical separation minima (300 m FOM (1000 ft)) between FL 290 and FL 410. (ICAO) (Corrected per ICAO) SARPs. The symbol used to designate Standards and Recommended Practices. (ICAO) NAT (Corrected per ICAO) FOM

SATCOM. The symbol used to designate satellite communication. (ICAO)

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14 Term

Global Operational Data Link Document (GOLD) Used in FOM

SATVOICE. The symbol used to designate satellite voice communication.

SEAC. The symbol used to designate Service dEtat de lAviation Civile (French FOM Polynsie). SELCAL. The symbol used to designate selective calling system. (ICAO) Service availability (ACSP). Probability of available service on 24/7 operation. NAT GOLD, Apx B, Apx C

SITA. The symbol used to designate Socit Internationale de Tlcommunications NAT Aronautiques. FOM Standardized free text message. A free text message format that has been agreed by the GOLD stakeholders as a message that should be used for the purpose/intent shown in this document. Surveillance data delivery. The process for obtaining surveillance data. Note. For ADS-C, the delivery is defined for the following surveillance data: a) Periodic report, from the start of the periodic interval. The start of the periodic interval occurs when the periodic report is sent by the aircraft/flight crew; b) Waypoint change event report, from the actual time the aircraft crosses the waypoint or is abeam the waypoint; c) Lateral deviation event report, from the time the aircraft system detects that the event has occurred; and d) Vertical deviation event report, from the time the aircraft system detects that the event has occurred. Surveillance data. Data pertaining to the identification of aircraft and/or obstructions for GOLD, Apx C route conformance monitoring and safe and efficient conduct of flight. Note. For ADS-C, surveillance data applies to periodic, waypoint change event, lateral deviation event, vertical deviation event reports, and CPDLC position reports. For FMC WPR, surveillance data applies to waypoint position report. TCAS. The symbol used to designate traffic alert and collision avoidance system (USA) TMU. The symbol used to designate traffic management unit. UM. The symbol used to designate uplink message. FOM FOM NAT FOM GOLD, Apx C


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Unplanned outage duration limit (minutes). Time after the unplanned outage begins at GOLD, which there is an operational impact. Measured from when an unplanned outage Apx B, begins to when the ATS unit receives notification that the service has been restored. Apx C Unplanned outage notification delay (min). Notification to the ATS unit of an unplanned GOLD, outage. Measured from when the unplanned outage begins to when the ATS unit Apx B, receives notification. Apx C Uplink message (UM). A CPDLC message sent from a ground system. UPR. The symbol used to designate user preferred route. VHF. The symbol used to designate very high frequency (30-300 Mhz). (ICAO) WPR. The symbol used to designate waypoint position reporting. NAT GOLD NAT FOM NAT

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16 Chapter 2.

Global Operational Data Link Document (GOLD) Overview of data link operations (Adam) 2.1 Data link definitions

Data link is a generic term that encompasses different types of data link systems and operations, including a number of air and ground applications. Table 2-1 provides a row for each of the different types in terms of the aircraft data link system, the operating environment, and the applicable standards. a) The aircraft data link system is assigned a designator to denote a particular aircraft capability and is correlated it to the applicable operating environment. b) The applicable operating environment is characterized by the type of airspace, the capability of the ATS unit, and the use for which that aircraft capability is intended. c) The capability and uses for data link are characterized in terms of the data link applications and sub-networks. Table 2-2 provides the applicable standards for the sub-networks. d) These applicable standards provide the safety and performance requirements (denoted by SPR) and the interoperability requirements (denoted by INTEROP) for the data link applications and the subnetworks. These standards provide the requirements for the aircraft operator, the aircraft data link system, and the air navigation service provider[TK1].

Table 2-1. Definitions for different types of data link systems and operations[TK2] Ref Aircraft Operating environment data link Type of ATS unit Capability and uses system airspace system ATN B1 Continental ATN B1 (Domestic) Supplemental ATC communications: Context Management (CM) application supports Data Link Initiation Capability (DLIC) data link service CPDLC application supports ATS Communications Management (ACM), ATC Clearance Service (ACL), and ATC Microphone Check (AMC) data link services Note 1. Departure Clearance (DCL),Downstream Clearance ( DSC), D-ATIS, and FLIPCY[SHA3] data link services are not supported. 16 Applicable standards

1

DO-290/ED-120, Chg 1 and Chg 2, Continental SPR Standard DO-280B/ED-110B, ATN B1 INTEROP Standard Sub-network standards for VDL M2 (See Table-1a)


GOLD

Global Operational Data Link Document (GOLD) Ref Aircraft Operating environment data link Type of ATS unit Capability and uses system airspace system FANS 1/A+ Continental ATN B1- Same as Row 1, except: (Domestic) FANS 1/A Uses ATS Facilities Notification (AFN) application for DLIC data link service For CPDLC application, UM 215, TURN [direction] [degrees] is not supported Note 2. FANS 1/A aircraft will require use of DM67 [free text] to mimic certain message elements per DO-290/ED-120 Chg 1 and 2. See DO-305/ED-154, paragraph 4.2.13.2. Note 3. In accordance with DO-290/ED-120, Chg 1 and Chg 2, FANS 1/A aircraft will require use of a message latency timer per DO-258A/ED-100A, paragraph 4.6.6.9 and is denoted by a + appended to the FANS 1/A designator. Applicable standards

17

2

Same as for Row 1, plus: DO-305/ED-154, FANS 1/A ATN INTEROP Standard (Applies only to ATS Unit, except see Note 2) DO-258A/ED-100A, FANS 1/A INTEROP Standard (Applies only to aircraft) Sub-network standards for VDL M2 (See Table-1a)

GOLD

17


18 Ref

Global Operational Data Link Document (GOLD) Aircraft Operating environment data link Type of ATS unit Capability and uses system airspace system FANS 1/A+ or FANS 1/A Oceanic and remote FANS 1/A Normal means of ATC communication uses AFN and CPDLC applications for Direct Controller Pilot Communications (DCPC) Eligible for: RCP 240 operations via any sub-network listed in Table-1a, except for HFDL[SHA4] RCP 400 operations via any sub-network listed in Table-1a. No RCP operations via any sub-network listed in Table-1a. Note 4. Aircraft capability that supports multiple RCP type operations needs to include appropriate indications and/or alerts to enable the flight crew to notify ATC when aircraft equipment failures result in the aircrafts ability to no longer meet its criteria for any of the RCP types, per DO-306/ED-122, paragraph 5.2.6.a) and 5.2.6.b). Uses ADS-C application for automatic position reporting. See required performance for ADS-C application per DO-306/ED-122. ADS-C application over HFDL (See Table-1a) not eligible for reduced longitudinal separation. Applicable standards

3

DO-306/ED-122, Oceanic SPR Standard DO-258A/ED-100A (or earlier versions), F

Global Operation Data Link Doc (Gold)-Wp17

Documents

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ats data link services

data collection

operational procedures