Annexes
The Convention is supported by eighteen annexes containing standards and recommended practices (SARPs). The annexes are amended regularly by ICAO and are as follows:
- Annex 1 – Personnel Licensing
- Annex 2 – Rules of the Air
- Annex 3 – Meteorological Service for International Air Navigation
- Vol I – Core SARPs
- Vol II – Appendices and Attachments
- Annex 4 – Aeronautical Charts
- Annex 5 – Units of Measurement to be used in Air and Ground Operations
- Annex 6 – Operation of Aircraft
- Part I – International Commercial Air Transport – Aeroplanes
- Part II – International General Aviation – Aeroplanes
- Part III – International Operations – Helicopters
- Annex 7 – Aircraft Nationality and Registration Marks
- Annex 8 – Airworthiness of Aircraft
- Annex 9 – Facilitation
- Annex 10 – Aeronautical Telecommunications
- Vol I – Radio Navigation Aids
- Vol II – Communication Procedures including those with PANS status
- Vol III – Communication Systems
- Part I – Digital Data Communication Systems
- Part II – Voice Communication Systems
- Vol IV – Surveillance Radar and Collision Avoidance Systems
- Vol V – Aeronautical Radio Frequency Spectrum Utilization
- Annex 11 – Air Traffic Services – Air Traffic Control Service, Flight Information Service and Alerting Service
- Annex 12 – Search and Rescue
- Annex 13 – Aircraft Accident and Incident Investigation
- Annex 14 – Aerodromes
- Vol I – Aerodrome Design and Operations
- Vol II – Heliports
- Annex 15 – Aeronautical Information Services
- Annex 16 – Environmental Protection
- Vol I – Aircraft Noise
- Vol II – Aircraft Engine Emissions
- Annex 17 – Security: Safeguarding International Civil Aviation Against Acts of Unlawful Interference
- Annex 18 – The Safe Transport of Dangerous Goods by Air
Annex 5, Units of Measurement to be Used in Air and Ground Operations, named in its Table 3-3 three "non-SI alternative units permitted for temporary use with the SI": the foot (for vertical distance = altitude), the knot (for speed), and the nautical mile (for long distance).
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