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EASA Part 66 - Module 9

Human Factors

Module 9 covers the critical relationship between human performance and aviation safety. It is a mandatory requirement for all B1, B2, and B3 aircraft maintenance licence applicants under EASA Part-66. The module examines how human limitations, environmental factors, and organisational culture influence maintenance performance and error rates.

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Minute timed exams
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What You'll Learn

Human performance & limitations
Social psychology & team dynamics
Factors affecting performance
Physical environment & workspace
Task analysis & procedures
Communication & information
Human error & reliability
Safety culture & just culture

About the Part 66 Examination

The EASA Part-66 Module 9 examination is a multiple-choice test that forms part of the aircraft maintenance licence (AML) certification. Key details:

  • Format: Multiple choice - 3 options per question
  • Questions per exam: 20 to 30 (varies by authority)
  • Pass mark: 75%
  • Time allowed: Typically 45 to 60 minutes
  • Open/closed book: Closed book
  • Valid for licences: B1 (Mechanical), B2 (Avionics), B3 (Light aircraft)

Our question bank covers the full EASA syllabus and is regularly updated to reflect the latest regulatory changes. Each question includes a detailed explanation to help you understand the underlying concept - not just memorise the answer.

Syllabus Overview (EASA Part-66 Module 9)

  • 9.1 General (31 questions) - The need to take human factors into account, incidents attributable to human factors, and the relationship between human factors and safety.
  • 9.2 Human Performance and Limitations (182 questions) - Vision, hearing, information processing, attention, perception, memory, and response selection.
  • 9.3 Social Psychology (92 questions) - Responsibility, motivation, peer pressure, culture, teamwork, management, and leadership.
  • 9.4 Factors Affecting Performance (83 questions) - Fitness, health, stress, fatigue, alcohol, medication, and nutrition.
  • 9.5 Physical Environment (38 questions) - Noise, illumination, climate, vibration, and movement.
  • 9.6 Tasks (75 questions) - Physical work, repetitive tasks, visual inspection, and complex tasks.
  • 9.7 Communication (52 questions) - Within and between teams, shift handover, documentation, and communication styles.
  • 9.8 Human Error (140 questions) - Error models, violation types, error management, and implications of maintenance errors.
  • 9.9 Hazards in the Workplace (27 questions) - Working at height, confined spaces, electrical hazards, fire, and chemicals.

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