International Aviation Weather Service Programme

International Aviation Safety Assessment Programme

United Nations International Drug Control Programme (UNDCP)

national civil aviation security programme

Helicopter Section of Aviation Support Programme (NAMSA)

regional meteorological service/ regional weather service (RWS)

international humanitarian law (See international law of armed conflict)

International legion for the Defence of Ukraine (ILDU) / International Legion of Territorial Defence of Ukraine / Ukrainian Foreign Legion

International Civil Aviation Organization (ICAO)

working group on meteorological services to be provided to international general aviation

International Agricultural Aviation Center

International aviation data registry

international aviation emission(s)

International Aviation Management Training Institute

International Business Aviation Council

International Court of Aviation and Space Arbitration

International Data Exchange for Aviation Safety Group

international general aviation

aviation weather forecast

aviation weather observation

international air service

International Air Service Transit Agreement

international earth rotation service

international telecommunication service

scheduled international air service

service aviation

air weather service detachment

hot-weather service

national weather service (NWS)

air weather service

weather service

Aircraft Cross-Servicing Programme (ACSP, NATO)

exercise programme