проверять шестерни на плавность зацепления

gear n gearing v aft landing gear aircraft accessory gear box airscrew reduction gear airscrew reversing gear alighting gear amphibious landing gear annular gear arresting landing gear bell gear bevel gear bicycle landing gear blade stop gear body landing gear bogie-type landing gear brake gear cantilever landing gear castor landing gear collapsed landing gear control gear control-to-surface gear ratio crown gear differential gear differential planetary gear driven gear driving gear dual-tandem gear dummy landing gear emergency landing gear emergency landing gear extension engine accessory gear box extend the landing gear fail to extend landing gear fail to retract landing gear fixed landing gear float-type landing gear fly a gear down fly a gear up forward retracting landing gear four-wheel bogie landing gear free-fall landing gear friction gear gear assembly gear box gear box drain valve gear down lock gear drive geared tab geared trim tab gear hinge moment gear hub gear journal gear position glide-path transmitter gear ratio gear retracting mechanism gear train gear up lock handling gear compartment helical gear herringbone gear hull equipped landing gear idler gear inadvertent gear retraction inadvertently retracted landing gear intermediate gear intermediate gear box inward retracting landing gear landing gear landing gear bogie landing gear cycle landing gear door landing gear door latch landing gear drop tests landing gear extention time landing gear fairing landing gear fulcrum landing gear indication system landing gear is down and locked landing gear locking pin landing gear malfunction landing gear operating speed landing gear pilot landing gear pilot pin landing gear position indicator landing gear shock strut landing gear spat (не убирающегося в полете) landing gear tread landing gear well landing gear well dome landing gear wheel levered landing gear load the gear lock the landing gear lock the landing gear down lock the landing gear up lower the landing gear main gear box main landing gear main landing gear beam mesh gears nonretractable landing gear nose landing gear nose landing gear door planetary gear planetary reduction gear pontoon equipped landing gear premature gear retraction prematurely retracted landing gear propeller gear propeller planetary gear quadricycle landing gear raise the landing gear ratchet gear rearward retracting landing gear reduction gear reduction gear assembly release the landing gear release the landing gear lock retractable landing gear retractable tail gear retract the landing gear reversing gear rim gear roll gear train rotor gear box rotor intermediate gear run out the landing gear runway arresting gear semilevered landing gear single-skid landing gear single-wheel gear skid-equipped landing gear ski-equipped landing gear spray gear spur gear stationary gear stationary ring gear steerable landing gear supplementary landing gear tailwheel landing gear tappet gear test gears for smooth tricycle landing gear two-stage gear unlatch the landing gear wheel landing gear wide-track landing gear wind-assisted landing gear wind landing gear worm gear worm gear drive

adjust for height air operation for hire air operation for remuneration application for certification arrangement for airworthiness available for daylight operation bound for certificate of safety for flight charge for service check for leakage check for parallelism clearance for straight-in approach clearance for takeoff cleared for takeoff cleared for taxi clear for takeoff clear for the left-hand turn Commission for aeronautical Meteorology Commission for basic Systems correct for cross wind correction for bias direction for landing Economic Commission for Europe fare for carriage fee for each exceeding ton fit for service for reasons of safety good for carriage inapt for flying inspect for cracks International commission for Air Navigation permission for operation permit for carriage prepare for landing prepare for service Procedures for Air Navigation Services provisions for emergencies rating for pilot readiness for takeoff ready for assembly receive for storage recommendations for standards, practices and procedures regulations for preventing collisions over sea report for takeoff request certification for stopping for nontraffic purpose surcharge for a stopover taxi in for parking test gears for smooth trim for nose-up pitching

2. вводить шестерню в зацепление;

achieve a smooth landing smooth landing smooth on the heading smooth out the crack smooth out the dent smooth runway smooth runway surface smooth the signal smooth transition test gears for smooth

test n aerodynamic test vehicle aircraft acceleration tests aircraft alternate-stress tests aircraft commissioning tests aircraft endurance tests aircraft environmental test aircraft test data aircraft test station altitude-chamber test altitude test facilities altitude tests anechoic test facilities approach test procedure aural reception test automatic test system bench-run tests braking action test braking test device build-in test system built-in test circuit built-in test equipment cabin leak test set calibration test calibration test rig certification test flight certification test operational procedure certification tests check tests climatic test bench climbing test compliance test conduct tests containment test controlled-crash test dial test indicator direct test ditching test endurance block tests endurance tests engine ground test time engine test base engine test bench factory test flight factory tests fatigue tests field tests flatter tests flight acceptance test flight stress measurement tests flight test flight test noise measurement flight test procedure flight test recorder flight test technique flyover noise test free drop test free-flight test friction test device full-distance test full-scale tests functional tests go-around test ground tests hovering test hydraulic test rig ignition test impact test inflight engine test integral test landing gear drop tests leak test license tests long-run test manufacturer's test pilot noise certification test conditions noise sertification test noise test official test operation tests penalty tests percent test pneumatic test rig preliminary test pressurized leakage test production test flight production tests proof-of-compliance tests rating test rotocraft snow and dust test run-in test service life test shock test simulated flight test static tests store test structural test substantiating test tachometer test set takeoff noise test taxi tests test aerodrome test a fuel nozzle test aircraft test box test certificate test cycle test data test environment test equipment test facilities test flight test flow restrictor test fly test gears for smooth test in flight test instrument test in the wind tunnel test laboratory test landing test margin test model test noise test operation test pilot test pressure test procedure test report test stand test the system test ticket towing basing test transmission test indicator two-dimensional flow test under flight test undergo flight tests vibration test wind-tunnel test

testing n cabin tightness testing device ground testing connection in-service testing nondestructing testing test a fuel nozzle test flow restrictor test gears for smooth test in flight test in the wind tunnel test the system