aerodrome flight information service

operational flight information service

aerodrome control service

aerodrome emergency service

aerodrome maintenance service

compartmented information (sensitive compartmented information [SCI])

flight information centre

flight information region (FIR)

project flight information

information and technical support service

antiaircraft information service

Artillery Information Service

preflight information service

automatic terminal information service (ATIS)

aeronautical information service (AIS)

airline telecommunication and information service

flight restriction zone / flight restricted zone (FRZ)

side cap; garrison / flight cap (US); wedge cap (Canada); field service cap (UK)

flight-line service

flight envelope / performance envelope / service envelope

service flight envelope

branch (military/service branch, armed service)

separate from active service / the service

Y service (Y-service) / Y-station

regional meteorological service/ regional weather service (RWS)

emergency service / emergency operations service

aerodrome operating minima

aerodrome power supply

abandoned aerodrome

above aerodrome level (AAA)

categorized aerodrome

controlled aerodrome

joint civil and military aerodrome