अन्तरराष्ट्रीय नागर विमानन सम्मेलन
अन्तरराष्ट्रीय नागर विमानन सम्मेलन, इसे शिकागो सम्मेलन भी कहते हैं, ने अन्तर्राष्ट्रीय नागर विमानन संगठन (ICAO) की स्थापना की। ICAO विश्वव्यापी हवाई यात्रा का नियंत्रण्, नियमन और स्मन्वयन करता है। यही इसके नियम इत्यादि भी बनाता है।
अनुलग्नक
इस सम्मेलन का आठ अनुलग्नक परिणाम हैं। इनमें मानक और अनुशंसित प्रयोग यानि standards and recommended practices (SARPs) दिये हुए हैं। इनका संशोधन ICAO द्वारा होता है, और निम्न प्रकार से है:
- 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).