preflight information service

preflight checkout

preflight readiness checkout

preflight check

preflight inspection

preflight check procedure

preflight maintenance

preflight servicing

preflight briefing / pre-flight briefing

preflight taxiing

compartmented information (sensitive compartmented information [SCI])

information and technical support service

antiaircraft information service

Artillery Information Service

operational flight information service

aerodrome flight information service

automatic terminal information service (ATIS)

aeronautical information service (AIS)

airline telecommunication and information service

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

according to information received

active public information policy

air electronic guidance information system (AEGIS)

Allied press information centre

All-Purpose Structured EUROCONTROL Radar Information Exchange (ASTERIX)

armaments information management system (AIMS)

army information program

artillery counterfire information form

Automated Command and Control Information System (ACCIS)