Details of Annex 6 — Operation of Aircraft

Part I — International Commercial Air Transport — Aeroplanes
Part II — International General Aviation — Aeroplanes
Part III — International Operations — Helicopters

ICAO Annexes found in OPs questions / answers (in bold):

• Annex 1 - Personnel Licensing;
• Annex 2 - Rules of the Air;
• Annex 3 - Meteorological Service for International Air Navigation;
• Annex 4 - Aeronautical Charts;
• Annex 5 - Units of Measurement to be Used in Air and Ground Operations;
• Annex 6 - Operation of Aircraft;
• Annex 7- Aircraft Nationality and Registration Marks;
• Annex 8 - Airworthiness of Aircraft;
• Annex 9 - Facilitation;
• Annex 10 - Aeronautical Telecommunications;
• Annex 11 - Air Traffic Services;
• Annex 12 - Search and Rescue;
• Annex 13 - Aircraft Accident and Incident Investigation;
• Annex 14 - Aerodromes;
• Annex 15 - Aeronautical Information Services;
• Annex 16 - Environmental Protection;
• Annex 17 - Security;
• Annex 18 - The Safe Transport of Dangerous Goods by Air;
• Annex 19 - Safety Management System.