Presentation on Communication and Navigation at AIPORT AUTHORITY OF INDIA

TRAINING SEMINARON

NAVIGATIONAL AIDS

ATAIRPORT AUTHORITY

OF INDIASUBMITTED BY:Akshay KumarID-09EJCEC010

SUBMITTED TO:Prof. S. S. Shekhawat

AAI:PORTFOLIOWorks under Ministry of Civil Aviation(MOCA)It provides:Air Traffic

Services

Construction and development

of airports and air routes

ATM

CNS

CNS

COMMUNICATION

SURVEILLANCE

NAVIGATIONAL AIDS

COMMUNICATIONWays to Communicate at AAI:

Voice Data

VHF

HF

AFTN

AMHS

NAVIGATIONAL-AIDS'ART' of determining the position of an

aircraft over earth's surface and guiding its progress from one place to anotherNav-Aids used by AAI:

NDB VOR DME ILSSat. Nav.

NDB: Non Directional BeaconProvides relative

bearing to the aircraft w.r.t. direction of NDB equipment irrespective of aircraft headingUsed by aircraft to help obtain a fix of their geographic location on the surface of the EarthMost commonly used as "locators" for an instrument landing system (ILS) approach and standard approaches

6

3

121521

24

N

S

EW30

33

NDB

VOR: VHF Omni RangeA standard ICAO ground based radio navigational aid.Type of short-range radio navigation system for aircraftEnable the aircraft to determine their position and stay on course by receiving radio signals transmitted by a network of fixed ground radio beacons, with a receiver unit.Transmits 30 Hz reference and a variable signal whose phase shift is detected at receiver and gives the relative reading on the indicator as to where the aircraft is flying relative to the VOR station.

CDI DEVIATION

180°

N360°

VOR/DME

OBS = 360

TO

CourseOBS = 30

180°

N360°

VOR/DME

TO

CourseOBS = 30

180°

N360°

VOR/DME

DME: DISTANCE MEASURING EQUIPMENTSSystem combining Ground Based and

Airborne Equipment to measure the distance of the aircraft from a ground stationProvides slant distance of the aircraft from the ground equipment/station

ILS: INSTRUMENT LANDING SYSTEM

Guides the aircraft as to where to land on the runwaySystem comprises of three parts: Locali

zerGlide Scope

Marker

RUN WAY LLZ ANT

1000to1500ft

LLZ BLDG

200 ft

GPGP & DMEANTENNA

1000ft 450ft

Runway threshold

MMOM

4 NM

AIRCRAFT

3500ft

LOCALIZER

GLIDE SCOPE

MARKER

OMMMIM

Outer Marker : OMMiddle Marker : MMInner Marker : IM

MARKER

OMMMIM

Outer Marker : OMMiddle Marker : MMInner Marker : IM

MARKER

OMMMIM

Outer Marker : OMMiddle Marker : MMInner Marker : IM

ILS PERFORMANCE CATEGORIES

CAT I

CAT II

CAT IIIACAT IIIBCAT IIIC

Operations

Decision Height

Above 60m

Between 30 to 60m

Lower than 30mLower than 15mNo Decision Height

SATELLITE NAVIGATIONSatellite-based augmentation systems

(SBAS), such as GAGAN, WAAS, EGNOS and MSAS, complement existing global navigation satellite systems (GNSS)SBAS compensate for certain disadvantages of GNSS in terms of accuracy, integrity, continuity and availabilityBased on the transmission of differential corrections and integrity messages for navigation satellites that are within sight of a network of reference stations deployed across an entire continent

THANK YOU…

ANY QUERIES?

??