observation+helicopter

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abandoned aerodrome aerodrome accumulator plant aerodrome adverse weather aerodrome air picture aerodrome alerting procedure aerodrome alerting service aerodrome alert measures aerodrome alert room aerodrome alert status aerodrome alert system aerodrome altitude aerodrome approach aerodrome approach aids aerodrome approach area aerodrome approach chart aerodrome approach control system aerodrome approach lights aerodrome approach road aerodrome authority aerodrome beacon aerodrome boundary aerodrome calm aerodrome category aerodrome chart aerodrome check point aerodrome checkpoint aerodrome check-point sign aerodrome circle aerodrome circling aerodrome circuit aerodrome circuit-circling aerodrome climatographical table aerodrome climatological summary aerodrome complex aerodrome conditions aerodrome control aerodrome control communication aerodrome controlled zone aerodrome controller aerodrome control point aerodrome control radar aerodrome control radio aerodrome control sector aerodrome control service aerodrome control tower aerodrome control tower clearance aerodrome control unit aerodrome culture aerodrome directory aerodrome drainage aerodrome drainage system aerodrome elevation aerodrome emergency aerodrome emergency exercise aerodrome emergency planning aerodrome emergency service aerodrome engineering aerodrome engineering instructor aerodrome environment aerodrome environs aerodrome fencing aerodrome flight information service aerodrome forecast aerodrome forecast material aerodrome graded area aerodrome ground profile aerodrome ground signal aerodrome ground visibility aerodrome handing capacity aerodrome hazard beacon aerodrome identification aerodrome identification sign aerodrome in question aerodrome ladndmark aerodrome lavatory track aerodrome lavatory truck aerodrome layout aerodrome level aerodrome lighting aerodrome locating beacon aerodrome marking system aerodrome marshaller aerodrome master plan aerodrome meteorological minima aerodrome minima aerodrome movement area aerodrome network aerodrome observation aerodrome obstruction chart aerodrome of call aerodrome of departure aerodrome of intended landing aerodrome of origin aerodrome operating minima aerodrome operation aerodrome pavement aerodrome pressure aerodrome reference code aerodrome reference point aerodrome reference temperature aerodrome report aerodrome rules Aerodromes, Air Routes and Ground Aids Section (ИКАО) aerodrome security lighting aerodrome service (диспетчерское) aerodrome service road aerodrome site aerodrome snow windrow aerodrome strip aerodrome strip marker aerodrome surveillance radar aerodrome taxi circuit aerodrome traffic aerodrome traffic circuit aerodrome traffic circuit operation aerodrome traffic control zone aerodrome traffic pattern aerodrome traffic zone aerodrome usability aerodrome usability factor aerodrome utilization factor aerodrome utilization rate aerodrome vehicle operation aerodrome visual aids aerodrome warning aerodrome wind distribution aerodrome wind rose aerodrome wind shift aerodrome wind sock all-weather aerodrome alternate aerodrome arrival aerodrome arrive over the aerodrome auxiliary aerodrome base aerodrome carry out a circuit of the aerodrome categorized aerodrome circle the aerodrome civil aerodrome coastal aerodrome concrete-surfaced aerodrome controlled aerodrome debarkation aerodrome depot aerodrome destination aerodrome domestic aerodrome embarkation aerodrome emergency aerodrome en-route aerodrome entry into the aerodrome zone factory aerodrome familiar aerodrome final aerodrome fog-plagued aerodrome get into the aerodrome given aerodrome grass aerodrome hard surface aerodrome helicopter aerodrome high-level aerodrome home aerodrome identify the aerodrome from the air intermediate aerodrome jet aerodrome joint civil and military aerodrome key aerodrome land aerodrome landing aerodrome landing off the aerodrome layout of aerodrome markings local aerodrome logistics aerodrome main aerodrome military aerodrome municipal commercial aerodrome nonradar aerodrome operate from the aerodrome operational aerodrome participating aerodrome permanent aerodrome principal aerodrome provisional aerodrome receiving aerodrome refuelling aerodrome regular aerodrome reserve aerodrome rigid pavement aerodrome satellite aerodrome supplementary aerodrome takeoff aerodrome temporary aerodrome terminal aerodrome test aerodrome training aerodrome uncontrolled aerodrome unfamiliar aerodrome unmarked aerodrome obstructions unpaved aerodrome X-type aerodrome

acoustic measurement station aerodynamic broadcast station aeronautical advisory station aeronautical fixed station aeronautical meteorological station aircraft test station all stations call automatic weather station beam radio station broadcasting radio station captain's station (воздушного судна) coast guard station collision warning station commercial broadcast station control radio station directing station duty station (экипажа) early warning station earth station (обеспечения полетов) fire station flight engineer station flight inbound the station flight outbound the station flight service station ground station (обеспечения полетов) helicopter station homer station jamming station landing direction-finding station land station (обеспечения полетов) master radar station master station meteorological radar station meteorological station mobile ship station nondirectional station observation station ocean station vessel onboard station pilot's station position-fixing station position-radar station radar-tracking station radio communication station radio compass station radio direction-finding station radio station radio station code relay station repeater station secondary station sending station shore station station bearing station designator track station transmitting station warning station