International Civil Aviation Organization (ICAO)

ICAO global aviation safety plan

international front organization

International Maritime Satellite Telecommunications Organization (Inmarsat)

International Mobile Satellite Organization

international civil presence

International Civil Aircraft Register

International Civil Airports association (ICAA)

ICAO accident data reporting system

ICAO category I approach

ICAO category II approach

ICAO category III approach

ICAO category standard

ICAO Facilitation Programme

ICAO Flight Safety and Human Factors Programme

civil aviation

Civil Aviation Planning Committee (CAPC, NATO)

national civil aviation security programme

Agreement on Civil Aviation and Airspace Utilization

civil aviation administration

civil aviation application

civil aviation authority

civil aviation pilot

Civil Aviation Training Center

state civil aviation regulator

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 Military Sports Council (IMSC) / Conseil International du Sport Militaire (CISM)    

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