- aerospace industry
- airlines
- airport authorities and airport / aerodrome operators
- air freight industry
- air logistics companies
- air traffic service providers
- aircrews
- air crew and air transport unions
- aviation ciubs (aero clubs) and their members
- aviation consuitants
- aviation education and information providers
- aviation industry associations and other representative bodies
- aviation insurance associations
- aviation iaw associations
- aviation media
- aviation supptiers and service providers
- charter and pnvate aircraft operators
- clvii aviation authorities
- computer reservations systems
- general aviation
- global distribution systems
- govemment agencies responsible for providing aviation, facilitation and meteorological services
- ground handling operators
- iicensed aircraft maintenance and engineenng professionals
- pilots

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