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The Pilots Desk
ICAOICAO Annex 6

ICAO Annex 6 — Operation of Aircraft

Read the official rule

Annex 6 governs how aircraft are operated: flight-crew duties, operator responsibilities, performance and equipment requirements, flight and duty time, and safety management. It's split into Part I (international commercial air transport — aeroplanes), Part II (general aviation), and Part III (helicopters). National operating rules (Parts 121/135, EASA Part-CAT/NCC) derive from it. *Summary only — consult ICAO and your national authority.*

This is an original plain-English explanation for training and reference, not legal advice and not for navigation. Always rely on the current official rule linked above. Last reviewed June 2, 2026.