en-route frequency

frequency n airport tower frequency allocation of frequencies allotment of frequencies alternate frequency assigned frequency band audio frequency bass frequency blade passing frequency calling frequency change the frequency convert the frequency distress frequency Doppler frequency shift (при движении воздушного судна) emergency frequency en-route frequency extremely high frequency forced oscillation frequency frequencies assignment frequency analyser frequency band frequency changeover frequency changeover procedure frequency converter Frequency Coordinating Body frequency deployment frequency deviation frequency distortion correction frequency distribution frequency diversity frequency drift frequency filter frequency meter frequency of operations frequency range frequency response frequency spacing frequency spectrum frequency weighting curve geometric mean frequency guard the frequency high frequency high frequency propagation international distress frequency international frequency monitoring International Frequency Registration Board interrogation frequency listening frequency monitor the frequency natural frequency octave-band center frequency overall frequency radio frequency channel receiving frequency reference frequency resonant frequency scan frequency scheduled maintenance frequency secondary frequency select the frequency side frequency standby frequency transmit on frequency of very high frequency direction finder vibration frequency watch frequency working frequency

en-route invar aeronautical en-route information service delay en-route en-route aerodrome en-route altitude en-route area en-route change of level en-route chart en-route chart legend en-route clearance en-route climb en-route climb performance en-route climb speed en-route communication en-route configuration en-route environment en-route facility charge en-route fix en-route flight en-route flight path en-route flight phase en-route flight planning en-route frequency en-route fuel reserve en-route ground mark en-route meteorological service en-route navigation en-route navigation aids en-route navigation facilities en-route operation en-route procedure en-route radio fix en-route repair kit en-route stop en-route surveillance radar en-route updraft en-route weather en-route weather phenomena estimated time en-route flap en-route position fly en-route hold en-route holding en-route operation low altitude en-route chart minimum en-route altitude refuel en-route

abandon the takeoff abeam the left pilot position abeam the right pilot position abort the flight abort the takeoff above the glide slope absorb the shock energy accelerate the rotor accelerate to the speed adhere to the flight plan adhere to the track adjust the cable adjust the compass adjust the engine adjust the heading advice to follow the controller's advance affect the regularity affect the safety align the aircraft align the aircraft with the center line align the aircraft with the runway alter the heading amplify the signal apparent drift of the gyro apply the brake approach the beam approve the limitations approve the tariff area of coverage of the forecasts arrest the development of the stall arrive over the aerodrome assess the damage assess the distance assess the suitability assume the control attain the power attain the speed at the end of at the end of segment (полета) at the end of stroke (поршня) at the ground level at the start of cycle at the start of segment (полета) avoid the obstacle backward movement of the stick balance the aircraft balance the control surface balance the propeller bear on the accident before the turbine below the glide slope below the landing minima bend the cotterpin ends be off the track be on the level on the hour block the brake boundary of the area brake the propeller break the journey bring the aircraft back bring the aircraft out by altering the heading cage the gyroscope calibrate the compass calibrate the indicator calibrate the system calibrate the tank cancel the drift cancel the flight cancel the forecast cancel the signal capture the beam carry out a circuit of the aerodrome carry out the flight center the autopilot center the wiper change the frequency change the pitch change the track check the reading chop the power circle the aerodrome clean the aircraft clean up the crack clearance of the aircraft clearance over the threshold clear for the left-hand turn clear the aircraft clear the obstacle clear the point clear the runway climb on the course close the buckets close the circuit close the flight come clear of the ground commence the flight commence the landing procedure compare the readings compensate the compass compensate the error compile the accident report complete the circuit complete the flight complete the flight plan complete the turn compute the visual range conditions beyond the experience conditions on the route considering the obstacles construct the procedure containerize the cargo continue operating on the fuel reserve continue the flight continue the takeoff contribute towards the safety control the aircraft control the pitch convert the frequency convey the information correct the trouble correspond with the operating minima counteract the rotor torque coverage of the chart cover the route crosscheck the readings cross the airway data on the performance decelerate in the flight decelerate the aircraft to decrease the deviation decrease the pitch decrease the speed de-energize the bus define the failure deflate the tire deflect the control surface (напр. элерон) delay the turn delimit the runway delimit the taxiway delineate the runway delineate the taxiway deliver the baggage deliver the clearance denote the obstacle denoting the obstacle depart from the rules departure from the standards depress the pedal detach the load detach the wing determinate the cause determine amount of the error determine the delay determine the extent of damage determine the friction determine the sign of deviation detract from the safety development of the stall deviate from the flight plan deviate from the glide slope deviate from the heading deviation from the course deviation from the level flight discharge the cargo disclose the fares discontinue the takeoff disengage the autopilot displace the center-of-gravity disregard the indicator disseminate the forecast drain the tank draw the conclusion drift off the course drift off the heading drop the nose duck below the glide path ease the aircraft on effect adversely the strength (напр. фюзеляжа) elevation of the strip eliminate the cause of eliminate the hazard eliminate the ice formation eliminate the source of danger (для воздушного движения) enable the aircraft to endanger the aircraft endange the safety endorse the license energize the bus enforce rules of the air engage the autopilot ensure the adequate provisions enter the aircraft enter the aircraft stand enter the airway enter the final approach track enter the spin enter the tariff into force enter the traffic circuit enter the turn entry into the aerodrome zone entry into the flare erection of the gyro establish the characteristics establish the flight conditions establish the procedure exceeding the stalling angle exceed the stop execute the manoeuvre execute the turn expedite the clearance express the altitude extend the agreement extend the landing gear extend the legs extreme aft the center-of-gravity extreme forward the center-of-gravity eye height over the threshold fail into the spin fail to follow the procedure fail to observe the limitations fail to provide the manuals fall into the spin feather the propeller file the flight plan first freedom of the air flight inbound the station flight outbound the station flight over the high seas flight under the rules fly above the weather fly at the altitude fly into the sun fly into the wind fly on the autopilot fly on the course fly on the heading fly the aircraft 2. пилотировать воздушное судно fly the beam fly the circle fly the glide-slope beam fly the great circle fly the heading fly the rhumb line fly under the autopilot fly under the supervision of focus the light follow the beam follow the glide slope follow up the aircraft forfeit the reservation freedom of the air fuel the tank fulfil the conditions gain the air supremacy gain the altitude gain the glide path gain the power gain the speed gather the speed get into the aerodrome get on the course get the height give the way go out of the spin govern the application govern the flight govern the operation grade of the pilot licence guard the frequency handle the baggage handle the flight controls have the runway in sight head the aircraft into wind hold on the heading hold over the aids hold over the beacon hold the aircraft on the heading hold the brake hold the heading on the compass hold the position hold the speed accurately hover at the height of hovering in the ground effect identify the aerodrome from the air identify the aircraft identify the center line impair the operation impair the safety impose the limitations in computing the fuel in conformity with the specifications increase a camber of the profile increase the pitch increase the speed indicate the location from the air inherent in the aircraft initiate the turn install in the aircraft install on the aircraft intercept the beam intercept the glide slope International Relations Department of the Ministry of Civil Aviation interpretation of the signal in the case of delay in the event of a mishap in the event of malfunction introduction of the corrections issue the certificate jeopardize the flight judge the safety keep clear of the aircraft keep out of the way keep tab on the fleet keep the aircraft on keep the altitude keep the ball centered keep the pace keep to the minima kick off the drift kill the landing speed landing off the aerodrome land into the wind land the aircraft latch the pitch stop (лопасти воздушного винта) latch the propeller flight stop lateral the center-of-gravity lay the route lead in the aircraft lead out the aircraft leave the airspace leave the altitude leave the plane leave the runway level the aircraft out lie beyond the range line up the aircraft load the gear load the generator load the structure lock the landing gear lock the landing gear down lock the landing gear up lock the legs longitudinal the center-of-gravity lose the altitude lose the speed loss the control lower the landing gear lower the legs lower the nose wheel maintain the aircraft at readiness to maintain the altitude maintain the course maintain the flight level maintain the flight procedure maintain the flight watch maintain the flying speed maintain the heading maintain the parameter make a complaint against the company make the aircraft airborne make the course change make the reservation manipulate the flight controls mark the obstacle mean scale of the chart meet the airworthiness standards meet the conditions meet the specifications misjudge the distance modify the flight plan monitor the flight monitor the frequency moor the aircraft mount on the frame move off from the rest move the blades to higher move the pedal forward name-code of the route neglect the indicator note the instrument readings note the time observe the conditions observe the instruments observe the readings obtain the correct path obtain the flying speed obtain the forecast offer the capacity off-load the pump on the base leg on the beam on the cross-wind leg on the down-wind leg on the eastbound leg on the final leg on the left base leg on the speed on the upwind leg open the buckets open the circuit open the door inward outward operate from the aerodrome operate under the conditions overcome the obstacle overcome the spring force overflying the runway overpower the autopilot overrun the runway overshoot capture of the glide slope over the territory over the top over the wing park in the baggage participation in the investigation passing over the runway pass the signal past the turbine perform the service bulletin pick up the signal pick up the speed pilot on the controls pitch the nose downward place the aircraft place the flaps in plane of symmetry of the aeroplane plot the aircraft potential hazard to the safe power the bus present the minimum hazard preserve the clearance pressurize the bearing produce the signal profitability over the route prolongation of the rating properly identify the aircraft protect the circuit prove the system pull out of the spin pull the aircraft out of pull the control column back pull the control stick back pull up the helicopter puncture the tire push the aircraft back push the aircraft down push the control column push the control stick put into the spin put on the course put the aircraft into production put the aircraft on the course put the aircraft over raise the landing gear reach the altitude reach the flight level reach the glide path reach the speed reach the stalling angle read the drift angle read the instruments receive the signal record the readings recover from the spin recover from the turn recovery from the manoeuvre recovery from the stall recovery from the turn rectify the compass reduce the hazard reestablish the track regain the glide path regain the speed regain the track register the aircraft release the aircraft release the landing gear release the landing gear lock release the load release the uplock relocate the plane's trim remedy the defect remedy the trouble remove the aircraft remove the crack remove the tangle render the certificate renew the license renew the rating replan the flight report reaching the altitude report reaching the flight level report the heading reset the gyroscope restart the engine in flight restore the system restrict the operations resume the flight resume the journey retain the lever retract the landing gear return the aircraft to service reverse the propeller roll in the aircraft roll into the turn roll left on the heading roll on the aircraft roll on the course roll out of the turn roll out on the heading roll out the aircraft roll right on the heading rotate the aircraft rotate the bogie rules of the air run fluid through the system run off the runway run out the landing gear schedule the performances seat the brush second freedom of the air secure the mishap site select the course select the flight route select the frequency select the heading select the mode select the track angle separate the aircraft serve out the service life set at the desired angle set the course set the flaps at set the heading set the propeller pitch set the throttle lever set up the speed shift the center-of-gravity shop out the skin simulate the instruments responses slacken the cable slave the gyroscope smooth on the heading smooth out the crack smooth out the dent smooth the signal space the aircraft spin the gyro rotor state instituting the investigation (авиационного происшествия) state submitting the report (об авиационном происшествии) steady airflow about the wing steer the aircraft stop the crack propagation stop the leakage submit the flight plan substitute the aircraft supervision approved by the State supply the signal swing the compass swing the door open switch to the autopilot switch to the proper tank takeoff into the wind take off power to the shaft take over the control take the bearing take the energy from take the readings take the taxiway take up the backlash take up the position tap air from the compressor terminate the agreement terminate the control terminate the flight test in the wind tunnel test the system the aircraft under command the route to be flown the route to be followed the runway is clear the runway is not clear the search is terminated through on the same flight throughout the service life tighten the turn time in the air time the valves titl of the gyro to define the airspace transfer the control transit to the climb speed trim the aircraft turn into the wind turn off the system turn on the system turn the proper tank on unarm the system uncage the gyroscope unfeather the propeller unlatch the landing gear unlatch the pitch stop (лопасти воздушного винта) unstall the aircraft unstick the aircraft uplift the freight violate the law wander off the course warn the aircraft wind the generator with decrease in the altitude withdraw from the agreement with increase in the altitude within the frame of within the range withstand the load work on the aircraft write down the readings

- 3-D radar
- acoustic radar
- acq radar
- acquisition radar
- acquisition-and-tracking radar
- active radar
- adaptive radar
- advanced design array radar
- aerostat radar
- AEW radar
- AI radar
- airborne radar
- airborne early-warning radar
- airborne intercept radar
- airborne search radar
- airborne sea-search radar
- aircraft radar
- aircraft intercept radar
- airfield control radar
- air intercept radar
- airport surveillance radar
- air route surveillance radar
- air search radar
- air-to-surface-vessel radar
- air traffic control radar
- all-round-looking radar
- anticollision radar
- antisurface vessel radar
- approach-control radar
- area control radar
- array radar
- autofollow radar
- autofollowing radar
- automatic tracking radar
- automotive radar
- autotrack radar
- azimuthal-scanning radar
- backscatter radar
- backsearch radar
- baseband radar
- battery control radar
- battlefield surveillance radar
- beacon radar
- beam-rider radar
- beam-transmitter radar
- bistatic radar
- capture radar
- chaser radar
- chirp radar
- chirped radar
- close control radar
- cloud-collision radar
- coastal defense radar
- coastal defense radar for detecting U-boats
- codiphase radar
- coherent radar
- coherent laser radar
- coherent pulse radar
- coho radar
- collision-avoidance radar
- collision-warning radar
- color radar
- conflict radar
- conical-scanning radar
- continuous-wave radar
- continuous-wave Doppler radar
- counter-countermeasure radar
- cw radar
- deep-space surveillance radar
- detection radar
- digital radar
- discrimination radar
- diversity radar
- Doppler radar
- Doppler-free coherent radar
- down-looking radar
- dual Doppler radar
- dual frequency radar
- early-warning radar
- electronically agile radar
- electronically scanned array radar
- electrooptic radar
- fan-beam-radar
- fire-control radar
- flight path radar
- FM radar
- FM cw radar
- forward-looking radar
- frequency agile pulse radar
- frequency-diversity radar
- frequency-hopping radar
- frequency-modulated radar
- frequency scan radar
- gap-filler radar
- GCA radar
- general-purpose radar
- ground radar
- ground-based radar
- ground control radar
- ground-controlled approach radar
- ground-mapping radar
- ground-position radar
- ground surveillance radar
- ground-to-air radar
- ground-waveradar
- guidance radar
- guided radar
- guiding radar
- hand radar
- hand-held radar
- hard point demonstration array radar
- height-finder radar
- height-finding radar
- high-power acquisition radar
- high PRF radar
- high pulse-repetition-frequency radar
- HISS radar
- hologram matrix radar
- holographic radar
- holographic ice surveying system radar
- HT finder radar
- hypothetical radar
- identification friend-or-foe radar
- IFF radar
- imaging radar
- incoherent scatter radar
- infrared radar
- instrumentation radar
- interferometer radar
- interplanetary radar
- interrogating radar
- interrogation radar
- ionospheric radar
- jammed radar
- landing radar
- landing-assist radar
- laser radar
- laser-diode radar
- laser-Raman radar
- light radar
- line-of-sight radar
- long-pulse radar
- long-range radar
- look-down radar
- low-range radar
- lunar radar
- man-borne radar
- mapping radar
- medium-range radar
- meteorological radar
- microwave radar
- microwave-modulator optical radar
- miniature radar
- missile-track radar
- missile-tracking radar
- monopulse radar
- monostatic radar
- moving-target indication radar
- moving-target indicator radar
- multifrequency radar
- multifunction array radar
- multimode radar
- multistatic radar
- navigation air radar
- navigational radar
- noise radar
- noise-modulated radar
- noncoherent pulse radar
- off-boresight radar
- offset Doppler radar
- omnirange radar
- on-line radar
- optical radar
- orbital rendezvous radar
- OTH radar
- overlap radar
- over-the-horizon radar
- panoramic radar
- passive radar
- pencil-beam radar
- phase-comparison radar
- phased-array radar
- phase-sensing monopulse radar
- planetary radar
- plan-position-indicator radar
- PN encoded radar
- polychromatic radar
- position radar
- power radar
- precision approach radar
- primary radar
- pseudonoise encoded radar
- pulse radar
- pulse-compression radar
- pulse Doppler radar
- pulse-modulated radar
- random signal radar
- range Doppler radar
- range-gated radar
- range only radar
- reconnaissance radar
- rendezvous radar
- satellite track radar
- satellite tracking radar
- search radar
- secondary radar
- semiactive radar
- sensing radar
- short-pulse radar
- Shuttle imaging radar
- side-looking radar
- side-looking airborne radar
- side-looking airborne modular multimission-radar
- single-beam radar
- sky-wave radar
- space radar
- space-based radar
- spacecraft-borne radar
- space-diversity radar
- stacked-beam radar
- step-frequency radar
- storm radar
- subsurface pulse radar
- subterranian radar
- sum-and-difference monopulse radar
- surface-wave radar
- surveillance radar
- swept-frequency radar
- synthetic-aperture radar
- synthetic interferometer radar
- tail warning radar
- target-track radar
- taxi radar
- terminal radar
- terrain-avoidance radar
- terrain-clearance radar
- terrain-following radar
- tethered-aerostat radar
- three-dimensional radar
- tracker radar
- tracking radar
- transionospheric radar
- ultra wide band radar
- UWB radar
- V-beam radar
- vehicle radar
- velocity radar
- very long-range radar
- very short-range radar
- video pulse radar
- volumetric radar
- wavefront-reconstruction radar
- weather radar
- wide-band radar
- wind-finding radar
- zenith-pointing radar

- acoustic radar
- acq radar
- acquisition radar
- acquisition-and-tracking radar
- active radar
- adaptive radar
- advanced design array radar
- aerostat radar
- AEW radar
- AI radar
- air intercept radar
- air route surveillance radar
- air search radar
- air traffic control radar
- airborne early-warning radar
- airborne intercept radar
- airborne radar
- airborne search radar
- airborne sea-search radar
- aircraft intercept radar
- aircraft radar
- airfield control radar
- airport surveillance radar
- air-to-surface-vessel radar
- all-round-looking radar
- anticollision radar
- antisurface vessel radar
- approach-control radar
- area control radar
- array radar
- autofollow radar
- autofollowing radar
- automatic tracking radar
- automotive radar
- autotrack radar
- azimuthal-scanning radar
- backscatter radar
- backsearch radar
- baseband radar
- battery control radar
- battlefield surveillance radar
- beacon radar
- beam-rider radar
- beam-transmitter radar
- bistatic radar
- capture radar
- chaser radar
- chirp radar
- chirped radar
- close control radar
- cloud-collision radar
- coastal defense radar for detecting U-boats
- coastal defense radar
- codiphase radar
- coherent laser radar
- coherent pulse radar
- coherent radar
- coho radar
- collision-avoidance radar
- collision-warning radar
- color radar
- conflict radar
- conical-scanning radar
- continuous-wave Doppler radar
- continuous-wave radar
- counter-countermeasure radar
- cw radar
- deep-space surveillance radar
- detection radar
- digital radar
- discrimination radar
- diversity radar
- Doppler radar
- Doppler-free coherent radar
- down-looking radar
- dual Doppler radar
- dual frequency radar
- early-warning radar
- electronically agile radar
- electronically scanned array radar
- electrooptic radar
- fan-beam-radar
- fire-control radar
- flight path radar
- FM cw radar
- FM radar
- forward-looking radar
- frequency agile pulse radar
- frequency scan radar
- frequency-diversity radar
- frequency-hopping radar
- frequency-modulated radar
- gap-filler radar
- GCA radar
- general-purpose radar
- ground control radar
- ground radar
- ground surveillance radar
- ground-based radar
- ground-controlled approach radar
- ground-mapping radar
- ground-position radar
- ground-to-air radar
- ground-wave radar
- guidance radar
- guided radar
- guiding radar
- hand radar
- hand-held radar
- hard point demonstration array radar
- height-finder radar
- height-finding radar
- high PRF radar
- high pulse-repetition-frequency radar
- high-power acquisition radar
- HISS radar
- hologram matrix radar
- holographic ice surveying system radar
- holographic radar
- HT finder radar
- hypothetical radar
- identification friend-or-foe radar
- IFF radar
- imaging radar
- incoherent scatter radar
- infrared radar
- instrumentation radar
- interferometer radar
- interplanetary radar
- interrogating radar
- interrogation radar
- ionospheric radar
- jammed radar
- landing radar
- landing-assist radar
- laser radar
- laser-diode radar
- laser-Raman radar
- light radar
- line-of-sight radar
- long-pulse radar
- long-range radar
- look-down radar
- low-range radar
- lunar radar
- man-borne radar
- mapping radar
- medium-range radar
- meteorological radar
- microwave radar
- microwave-modulator optical radar
- miniature radar
- missile-track radar
- missile-tracking radar
- monopulse radar
- monostatic radar
- moving-target indication radar
- moving-target indicator radar
- multifrequency radar
- multifunction array radar
- multimode radar
- multistatic radar
- navigation air radar
- navigational radar
- noise radar
- noise-modulated radar
- noncoherent pulse radar
- off-boresight radar
- offset Doppler radar
- omnirange radar
- on-line radar
- optical radar
- orbital rendezvous radar
- OTH radar
- overlap radar
- over-the-horizon radar
- panoramic radar
- passive radar
- pencil-beam radar
- phase-comparison radar
- phased-array radar
- phase-sensing monopulse radar
- planetary radar
- plan-position-indicator radar
- PN encoded radar
- polychromatic radar
- position radar
- power radar
- precision approach radar
- primary radar
- pseudonoise encoded radar
- pulse Doppler radar
- pulse radar
- pulse-compression radar
- pulse-modulated radar
- radar without line of sight
- random signal radar
- range Doppler radar
- range only radar
- range-gated radar
- reconnaissance radar
- rendezvous radar
- satellite track radar
- satellite tracking radar
- search radar
- secondary radar
- semiactive radar
- sensing radar
- short-pulse radar
- Shuttle imaging radar
- side-looking airborne modular multimission radar
- side-looking airborne radar
- side-looking radar
- single-beam radar
- sky-wave radar
- space radar
- space-based radar
- spacecraft-borne radar
- space-diversity radar
- stacked-beam radar
- step-frequency radar
- storm radar
- subsurface pulse radar
- subterrainian radar
- sum-and-difference monopulse radar
- surface-wave radar
- surveillance radar
- swept-frequency radar
- synthetic interferometer radar
- synthetic-aperture radar
- tail warning radar
- target-track radar
- taxi radar
- terminal radar
- terrain-avoidance radar
- terrain-clearance radar
- terrain-following radar
- tethered-aerostat radar
- three-dimensional radar
- tracker radar
- tracking radar
- transionospheric radar
- ultra wide band radar
- UWB radar
- V-beam radar
- vehicle radar
- velocity radar
- very long-range radar
- very short-range radar
- video pulse radar
- volumetric radar
- wavefront-reconstruction radar
- weather radar
- wide-band radar
- wind-finding radar
- zenith-pointing radar

- acoustic alarm system
- acoustic image system
- acoustic systems
- actiontrack system
- active IR-system
- actuator system
- adaptive communication system
- adaptive teleinformation system
- adaptive telemetering system
- advanced information system
- Afsatcom system
- air system
- aircraft intercommunication system
- airfield communication system
- air-ground automatic system
- airline reservation system
- air-to-ground TV system
- alarm signal system
- alarm system
- all-channel signaling system
- ALL-IN-ONE system
- alphanumeric system
- amplified speaker system
- amplitude shift-keying system
- AMPS system
- analog cellular communication system
- analog cellular system
- analog component video system
- analog television system
- analog tropospheric system
- anisochronous system
- antenna system
- antitheft system
- AR system
- Arabsat system
- ASK system
- associated channel analog system
- asynchronous address communication system
- audio recording system
- Aurora system
- Aussat system
- automatic communication system
- automatic connection establishment system
- automatic control system
- automatic data acquisition system
- automatic telegraphy system
- automatic telephone system
- automatic tuning system
- automatized cellular system
- auxiliary alarm system
- balanced cable transmission system
- band sharing system
- base station system
- baseband system
- basic input/output system
- bass-reflex speaker system
- batch processing system
- batch transmission system
- batch-and-forward system
- batteryless system
- bilateral CTV system
- binary tariff system
- biocontrol system
- bit parallel interface system
- bit transport system
- bridge duplex system
- broadband mobile system
- broadcast satellite system
- broadcasting delivery media systems
- burglar alarm system
- byte-serial interface system
- cabinet system
- cabinetless system
- cable distribution system
- cable TV system
- call-accounting system
- call-answering system
- call-counting system
- call-distributing system
- call-processing system
- call-queueing system
- camp-on system
- CAPTAIN system
- car component audio system
- carrier reinsertion system
- carrier system
- carrier-communication system
- carrier-current communication system
- Cassegrain-Schmidt system
- cassette recording system
- cassette reproducing system
- CATRIN system
- caution system
- CD 900 system
- cellular system
- cellular-radio system
- central-battery system
- centralized control system
- chirp binary telegraph system
- cipher system
- circuit switched telecommunication system
- circuit switching telecommunication system
- circular telecontrol system
- clock system
- closed-circuit communication system
- closed-circuit telegraph system
- closed-numbering system
- code-dependent system
- code-division multiple access system
- code-independent system
- code-insensitive system
- code-sensitive system
- coding system
- coherent fiber-optic system
- collimating system
- collocated system
- color separating system
- combined numbering system
- combined power supply system
- combined satellite communication system
- common-battery system
- common-carrier system
- common-channel signaling system
- common-engineering communication system
- common-purpose cellular system
- common-using band system
- common-using cordless telephone system
- common-using paging system
- communication system
- communication traffic system
- communications system
- community antenna system
- community antenna television system
- community TV-system
- commununication switching system
- compact disk digital audio system
- compatible color television system
- compatible single sideband system
- compatible single-band system
- compatible TV-system
- complex radio communication system
- computer vision system
- computer-telephone system
- Comsar system
- Comsat system
- Conax system
- concentrated-insonation system
- conference system
- conference-communication system
- congested system
- congress-class system
- constant-current system
- control generating system
- conventional television system
- Conversant system
- cordless-communication system
- crossbar system
- crossed-coincident microphone system
- Crosspoint system
- CSE system
- C-system
- cubical video projecting system
- data processing system
- data system
- data transport system
- data-collection system
- data-compression system
- data-exchange system
- dataflow system
- data-gathering system
- data-handling system
- data-measuring system
- data-reduction system
- data-transmission system
- Decca Navigator system
- DECfax system
- decision-feedback system
- dedicated control channel system
- dedicated multimedia system
- delta-sigma system
- deluxe presentation system
- departmental communication system
- desktop-video system
- DFS/Copernicus system
- dial-telephone system
- differential phase shift-keying system
- differential-duplex system
- differential-magnetic system
- digital camera system
- digital hybrid-key telephone system
- digital mass storage system
- digital microwave radio transmission system
- digital telephone communication system
- digital transmission system
- digital TV-communication system
- Digital UNIX system
- digital-analog system
- digital-cellular system
- digital-data modulation system
- digital-effect system
- digital-message entry system
- digital-termination system
- direct-broadcasting satellite system
- directing system
- direct-modulation system
- direct-sequence system
- direct-telephone communication system
- discrete communication system
- discrete sound system
- discrete-addressing system
- disk-operating system
- DISOSS system
- dispatch telephone communication system
- dispatch-center system
- dispersed-insonation system
- distributed-insonation system
- distributed-processing system
- documental-type communication system
- Dolby systems
- domestic satellite communication system
- double-band telephone communication system
- double-channel transmission system
- double-current transmission system
- double-pole communication system
- double-sideband large carrier system
- DSCS system
- D-system
- dual-cable system
- dual-reflector system
- duplexed system
- Earth-to-space transmission system
- ECM system
- electric communication system
- electronic antishock system
- electronic data-gathering system
- electronic data-processing system
- electronic-message system
- electronic-scanning system
- electronic-switching system
- Ellipso system
- emergency telephone communication system
- emergency-broadcast system
- EMX system
- equidistant system
- error-correction system
- error-detection system
- Eutelsat system
- extensible system
- external paging system
- facsimile system
- fast-acting servicing system
- fault-tolerant system
- fax communication system
- fax transmitting system
- feed system
- fiber transmission system
- fiber-optic transmission system
- field-sequential system
- final mile system
- finishing system
- fire alarm system
- fire warning system
- first generation cellular system
- five-channel communication system
- fixed satellite system
- Flexcam system
- flexible access system
- Flitsatcom system
- focusing system
- four-channel sound system
- four-dimensional system
- four-wire telephone communication system
- frame-sequential system
- frequency shift-keying system
- frequency-carrier system
- frequency-control system
- front-bass reflex speaker system
- fully digital system
- gate system
- Gaussian system
- generalized system
- generating dynamic system
- generator-dc-motor system
- GIGASET radio system
- global positioning system
- Global system
- Gopher system
- grandfathered system
- group-alerting and dispatching system
- guide system
- hard-wired CCTV system
- hazard system
- helical-scan system
- HF-synchronizing system
- high-precision navigating system
- Hi-linear system
- home system
- home-telephone system
- home-type system
- homing-guidance system
- host system
- hydroacoustic system
- ideal communication system
- idealized system
- image informaion system
- image-forming system
- immedial servicing system
- incompatible system
- independent system
- information retrieval system
- information system radio system
- information system
- information-feedback system
- information-measuring system
- infrared alarm system
- Inmarsat system
- Inmarsat-A system
- Inmarsat-B system
- Inmarsat-C system
- Inmarsat-D system
- Inmarsat-M system
- Inmarsat-P system
- integrated telephone system
- integrated videographic teleconferencing system
- integrated-antenna system
- integrated-communication system
- integrated-modulation system
- integrated-office system
- Intelsat system
- interactive system
- intercarrier-sound system
- intercommunication system
- intercontinental tropospheric system
- interlock system
- intermachine exchange system
- intermediate system
- international communication system
- interphone system
- Intervision system
- intraband signaling system
- intruder alarm system
- inward-outward dialing system
- ionoscatter system
- ionosphere sounder system
- ionospheric system
- Iridium system
- isolated system
- Italsat system
- J-carrier system
- joint-multichannel trunking and switching system
- K-carrier system
- key system
- key-telephone system
- land satellite communication system
- large-grained communication system
- laser communication system
- L-band satellite system
- L-carrier system
- Leasat system
- lightning protection system
- limited distortion system
- line amplifiers system
- link system
- little-channel relay system
- local alarm system
- local battery system
- local communication system
- local radio paging system
- long-haul system
- long-range system
- loop system
- loud-speaking communication system
- low-traffic system
- magnetic tape recording system
- Mail system
- management-information system
- manual cellular system system
- manual telephone set system
- Marisat system
- master television system
- master-antenna television system
- matrix sound system
- message feedback system
- message procession system
- message registration system
- message-switched system
- meteor radio system
- Metrobus system
- micro component system
- Micro Press Cluster Printing system
- micro-lens system
- microprocessor system
- microwave relay system
- midi system
- mine radio telephone system
- mini system
- mixed media system
- mixed numbering system
- mobile cellular communication system
- mobile land communication system
- mobile radio system
- mobile relay system
- mobile system
- modulated system
- monetary mobile system
- MS-Mail system
- multiareal system
- multicassette system
- multichannel telephone system
- multicomputer system
- multidisk system
- multiformat recording system
- multifrequency tone signaling system
- multiguard system
- multilevel mixed system
- multimedia system
- multiple-channel system
- multiqueue system
- Multiscrypt system
- multistandard system
- multitrack editing system
- mutibeam antenna system
- muting system
- Nagravision system
- NAMTS system
- narrow-angle TV system
- national communication system
- navigation system
- n-channel communication system
- n-channel DPSK system
- n-channel transmission system
- network standalone system
- network system
- network-operation system
- networks numbering system
- neutral direct-current telegraph system
- n-head video system
- NMT system
- noise-reduction system
- nonhoming tuning system
- noninterlaced television system
- nonsegmented system
- Norsat system
- n-satellite system system
- n-tone DPSK system
- n-tone MFSK system
- NTSC system
- NTT system
- obligatory message system
- Odyssey system
- off-line system
- on-line computer system
- on-line secured system
- open numbering system
- open system
- operative-engineering communication system
- opposite signals system
- optical-communication system
- optical-information system
- optical-projection system
- optoelectronic system
- oscillating system
- oscillation system
- outband signaling system
- package-and-resource tracking system
- pagemaster system
- paging system
- PAL system
- parametric system
- PATHWORKS system
- pattern recognition system
- personal holding guard system
- phase shift-keying system
- phone system
- Piccolo system
- pilot-controller system
- polar direct-current telegraph system
- portable mobile system
- power control system
- power controlling system
- power-line carrier system
- power-supply system
- press-to-talk system
- Prestel system
- primary-supply system
- privacy system
- private branch paging system
- private movable system
- private videodata system
- private videotex system
- process-interface system
- PROFS system
- programmable cross-connect system
- programmable cross-connected system
- programmed radio system
- prompting system
- protected wireline distribution system
- protection system
- pseudoquadraphony system
- pseudotrunking system
- public videodata system
- public videotex system
- pulse-code system
- pulse-frequency system
- pulse-time system
- quadraphonic sound system
- quadruple-diversity system
- R1 system
- R2 system
- radio buoy system
- radio command system
- radio communication system
- Radio Data system
- radio facsimile system
- Radiocom 2000 system
- radio-control system
- radio-paging system
- radio-relay system
- radiosonde-radio-wind system
- radio-telemetering system
- real time pulse-echo system
- real time system
- receiver lockout system
- recording system
- recovery system
- redundant system
- reference-information system
- regional electronic payment system
- relay-radio system
- remote concentrating system
- remote control system
- remote diagnostic system
- remote information system
- remote semiconcentrating system
- remote sensing system
- remote signaling system
- rendering system
- rerecording system
- reserved servicing system
- RF/Transmission system
- rotary system
- safety alarm system
- safety system
- Satcom system
- satellite comminication system
- satellite marine comminication system
- Satellite Master Antenna Television system
- satellite radio system
- satellite-aircraft communication system
- SB-communication system
- SBL communication system
- scalable system
- scanning trunking system
- SCO UNIX system
- searchless identification system
- seat reservation system
- SECAM system
- second generation cellular system
- second room system
- secondary supply system
- secrecy system
- section communication system
- security system
- segmented system
- seismic system
- selective calling system
- selective frequency base station system
- selective protective system
- selective telephone system
- self-adjusting system
- self-balancing differential system
- self-contained system
- self-test system
- selsyn system
- semiautomatic-switching system
- semiautomatized cellular system
- sensory system
- servo system
- shadow-batch system
- short-haul microwave system
- Sicral system
- Sigma Servo system
- signal system
- simplex movable system
- single-band transmission system
- single-busbar system
- single-cable communication system
- single-cable system
- single-channel system
- single-current transmission system
- single-pulse tracking system
- Skynet system
- small-grained communication system
- SmarTrunk II radio communication system
- solid-state uninterruptible power battery system
- Sony bus system
- sound alarm system
- sound equalization system
- sound navigation system
- sound reinforcement system
- sound warning system
- space-division system
- space-switched system
- spark-safe system
- speaker system
- special communication system
- speech-processing system
- speech-recognition system
- split-speaker system
- spread-spectrum system
- stabilizing system
- stage monitoring system
- standalone double point system
- star-circuit system
- STAREX CMX system
- starting communication system
- start-stop system
- stationary satellite system
- step-by-step system
- stereo sound system
- stereophonic sound system
- storage system
- storage-and-retrieval system
- Strowger system
- submarine fiber-optic system
- subprimary digital transmission system
- subscriber carrier system
- subscriber switching system
- suffix system
- Supersat system
- supervisory control system
- surround sound system
- switched telecommunication system
- switching system
- sync communication system
- synchro system
- synchronous communication system
- synchronous digital system
- TAGS system
- tandem system
- tariffication system
- T-carrier system
- TDF system
- teleautomatic system
- Telecom system
- telecommunication system
- telecommunications system
- telecommunication-service priority system
- telecommunications-service priority system
- telecontrol system
- telemechanic system
- telemetering system
- telemetry system
- telephone system
- telephone-answering system
- telephone-communication system
- telephone-communications system
- teleprocessing system
- Telesat system
- teletex system
- teletypewriter system
- television-telephone system
- Tele-X system
- Telsar system
- terminal system
- terrestrial radio-relay system
- theft-prevention system
- thin-route system
- third generation communication system
- three-axle stabilizing system
- three-channel HF-telephone system
- three-channel transmission system
- three-color system
- three-lens optical system
- three-primary system
- three-wire system
- time-dissemination system
- time-frequency hopping system
- time-switched system
- total access communication system
- total area coverage system
- transmission system
- trichromatic system
- triple-interlace system
- triplex system
- trunk communication system
- TV-observation system
- twelve-channel transmission system
- two-arm system
- two-band system
- two-color system
- two-roller transfer system
- two-step control system
- two-way CATV system
- two-way system
- two-wire telephone communication system
- ultra-match system
- ULTRIX system
- unified radioaccess system
- unilateral-control system
- unilateral-synchronization system
- uninterruptible-power system
- Unisat system
- universal alarm system
- universal-battery system
- universal-electronic system
- universal-movable system
- Uniworks system
- vestigial-sideband system
- video editing system
- video home system
- video recording system
- videocom system
- videoteleconference system
- videotex system
- virtual studio system
- vision system
- vocoder system
- voice dialog system
- voice frequency carrier telegraph system
- voice modulation system
- voice post system
- volume control system
- waiting system
- warning system
- watch system
- watching system
- waterside facsimile communication system
- wave-propagating system
- wide-angle TV system
- Winfax Pro system
- wired broadcasting system
- wireless CCTV system
- wireless home system
- wireless infrared speaker system
- wire-radio communication system
- XY system
- zone-selective protection system
- zoning system

convention on international civil aviation cross international waters General Department of International Air Services of Aeroflot international accident International Air Carrier international aircraft standard international airline international air route International Air Transport international airworthiness International Astronautical Federation international aviation international civil aviation international collaboration in airworthiness International commission for Air Navigation International Co-ordinating Council of Aerospace Industries Association International Council of Aircraft Owner and Pilot Associations international distress frequency International Federation of Air Line Pilots' Associations International Federation of Air Traffic Controllers' Associations international flight international flight stage international frequency monitoring International Frequency Registration Board international meteorological system international navigation international operations International Relations Department of the Ministry of Civil Aviation International standard atmosphere international standard atmosphere level international standards international telex network international transit route international waters