aerodrome maintenance service

aerodrome maintenance

aerodrome control service

aerodrome emergency service

aerodrome flight information service

contingency maintenance / special maintenance

depot maintenance (beyond O and I level activities, performed in an industrial-type facility) / D-level maintenance

maintenance checks / routine maintenance, scheduled tasks

maintenance idling (periodic running of engine for maintenance purposes)

organizational maintenance (O-level) (day-to-day work that standard airfield maintenance groups perform in support of airfield operations)

routine maintenance / scheduled tasks, maintenance checks

scheduled tasks / routine maintenance, maintenance checks

special maintenance / contingency maintenance

training, maintenance and support service

aircraft maintenance service

maintenance service

periodic preventive maintenance 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

aerodrome operating minima

aerodrome power supply

abandoned aerodrome

above aerodrome level (AAA)

categorized aerodrome

controlled aerodrome

joint civil and military aerodrome

landing aerodrome

multi-runway strip aerodrome

vor aerodrome check-point

aerodrome