scheduled international air service

non-scheduled air service

scheduled messenger service

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)    

international air service

International Air Service Transit Agreement

International Aviation Weather Service Programme

international earth rotation service

international telecommunication service

scheduled supplies

scheduled target

scheduled repair

non-scheduled flight

non-scheduled operations

maintenance checks / routine maintenance, scheduled tasks

routine maintenance / scheduled tasks, maintenance checks

scheduled airline

scheduled carrier

scheduled flight

scheduled operations

scheduled tasks / routine maintenance, maintenance checks

scheduled

scheduled airlift

scheduled atomic fires

scheduled mission

scheduled supply

scheduled training

scheduled wave

scheduled fire

scheduled maintenance

scheduled messenger