William (Bill) Johnson, Ph.D. Chief Scientific and Technical Advisor Human Factors in Aircraft Maintenance Systems [email protected]Federal Aviation Administration Part 23 Certification Process Study: Maintenance Human Factors Considerations Federal Aviation Administratio n Part 23 CPS – Maintenance Human Factors Kansas City, KS February 6-7, 2008
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William (Bill) Johnson, Ph.D. Chief Scientific and Technical Advisor Human Factors in Aircraft Maintenance Systems [email protected] Federal Aviation.
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• Also report through Flight Standards and Aircraft Certification.
• Duties include:– Define, sell, conduct/participate in R&D
– Participate in applied FAA/industry activities
– Guidance material
– Rulemaking participation
• Extensive writing and public speaking
6Federal AviationAdministration
Part 23 CPS – Maintenance Human Factors
Kansas City, KS
February 6-7, 2008
Overview
• AVS Chief Scientist Program
• Maintenance HF Sample Activities
• Upcoming Activities
• Perceived immediate challenges
• 20 year challenges
7Federal AviationAdministration
Part 23 CPS – Maintenance Human Factors
Kansas City, KS
February 6-7, 2008
Sample Recent Activities
• Mx HF Presentation System
• Two Operator’s Manuals for HF
• Annual FAA-ATA HF Symposium
• ASI Survey
• Inspector Training (3 days)
• IA Seminars
Maintenance Human Factors Presentation System
Federal AviationAdministration
9Federal AviationAdministration
Part 23 CPS – Maintenance Human Factors
Kansas City, KS
February 6-7, 2008
www.hfskyway.com
2 Reference Manuals
10Federal AviationAdministration
Part 23 CPS – Maintenance Human Factors
Kansas City, KS
February 6-7, 2008
Annual FAA-ATA HF Symposium
11Federal AviationAdministration
Part 23 CPS – Maintenance Human Factors
Kansas City, KS
February 6-7, 2008
ASI Survey Objectives
Determine ASI information on:• General HF Knowledge Level
• HF Observations from the field
• Attitude about the value of HF programs
• Need for regulations
• What FAA should do for ASIs regarding HF
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Part 23 CPS – Maintenance Human Factors
Kansas City, KS
February 6-7, 2008
Who Responded?
13Federal AviationAdministration
Part 23 CPS – Maintenance Human Factors
Kansas City, KS
February 6-7, 2008
ASI Ranking of Operator ChallengesISSUE Average (5 Pts.)
Pressure 3.09Complacency 2.89Norms 2.84Lack of resources 2.74Failure to follow established procedures 2.73Distraction 2.60Lack of awareness 2.59Lack of communication 2.58Lack of assertiveness 2.53Stress 2.50Fatigue 2.41Lack of knowledge 2.34Lack of teamwork 2.32.
14Federal AviationAdministration
Part 23 CPS – Maintenance Human Factors
Kansas City, KS
February 6-7, 2008
Do we need HF Regulation?
15Federal AviationAdministration
Part 23 CPS – Maintenance Human Factors
Kansas City, KS
February 6-7, 2008
Overview
• AVS Chief Scientist Program
• Maintenance HF Sample Activities
• Upcoming Activities
• Challenges/Myths
16Federal AviationAdministration
Part 23 CPS – Maintenance Human Factors
Kansas City, KS
February 6-7, 2008
Upcoming Activity
Rulemaking for Approved Training (121 and 135 for start)
Multi-disciplinary approach to maintenance fatigue
Audit of normal operations
Impact of new technologies on maintenance training
17Federal AviationAdministration
Part 23 CPS – Maintenance Human Factors
Kansas City, KS
February 6-7, 2008
Overview
• AVS Chief Scientist Program
• Maintenance HF Sample Activities
• Upcoming Activities
• Challenges/Myths
18Federal AviationAdministration
Part 23 CPS – Maintenance Human Factors
Kansas City, KS
February 6-7, 2008
Challenges/Myths (1 of 2)
• Employee training/certification
• Ab initio
• Continuation
• Is today’s workforce ready?
• Is our aviation maintenance workforce the world’s best
• Selection process for maintenance personnel
• Maintainability of new technologies?
• Design of technical documentation “systems”
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Part 23 CPS – Maintenance Human Factors
Kansas City, KS
February 6-7, 2008
Challenges/Myths (2 of 2)
• Repeated studies show:
• Installation errors
• Failure to documentation
• Should smart A/C require less skilled maintenance personnel?
• Compare to automotive industry
• Small GA shops don’t need SMS, error reporting, etc.