040 Human Performance

EASA code: 040

Human Performance covers why pilots make errors, how the body responds to altitude and stress, and what keeps you fit to fly.

Chapters

1. Human factors & safety culture — errors, Swiss cheese, SHEL, TEM
2. Atmosphere & physiology — gas laws, respiration, circulation
3. Hypoxia, DCS & barotrauma — oxygen, pressure, trapped gas
4. Vision & hearing — eye, night vision, hearing, visual illusions
5. Spatial disorientation — vestibular system, G-forces, runway illusions
6. Sleep, stress & CRM — fatigue, decision making, crew coordination
7. Medical fitness — alcohol, drugs, reporting, lifestyle
8. Key notes — quick revision

Exam focus

• Error types (slip, fault, omission, commission)
• Hypoxia vs hyperventilation
• DCS symptoms and diving wait times
• Visual and vestibular illusions
• Alcohol limits and no-fly periods
• CRM and threat/error management