visual distance area

visual distance area Gebiet n innerhalb der Sichtweite

flight n abort the flight accelerated flight acceptance flight accident-free flight acrobatic flight actual flight conditions actual flight path adhere to the flight plan advance flight plan advertizing flight aerial survey flight aerial work flight aerobatic flight aerodrome flight information service aerotow flight affect flight operation aircraft flight report aircraft on flight air-filed flight plan all-freight flight all-weather flight alternate flight plan altitude flight approach flight reference point approach flight track distance approved flight plan approved flight procedure arbitrary flight course area flight control around-the-world flight arrival flight level arrow flight stability assigned flight path asymmetric flight attitude flight control autocontrolled flight automatic flight automatic flight control automatic flight control equipment automatic flight control system autorotational flight back-to-back flight bad-weather flight banked flight basic flight reference be experienced in flight beyond flight experience blind flight blind flight equipment blocked-off flight border-crossing flight border flight clearance box-pattern flight bumpy-air flight business flight calibration flight cancelled flight cancel the flight cargo flight carry out the flight certificate of safety for flight certification test flight change to a flight plan charter flight chased flight checkout flight civil flight climbing flight closed-circuit flight close the flight closing a flight plan coasting flight coast-to-coast flight commence the flight commercial flight complete the flight complete the flight plan compulsory IFR flight computer-directed flight computer flight planning conflicting flight path connecting flight contact flight contact flight rules continue the flight continuous flight continuous flight record contour flight controlled flight conventional flight crabbing flight credit flight time crop control flight cross-country flight cross-wind flight cruising flight current flight plan day flight decelerate in the flight decelerating flight delayed flight delivery flight demonstration flight departure flight level descending flight design flight weight desired flight path desired path flight desired track flight deviate from the flight plan deviation from the level flight digital flight guidance system digital flight recorder directed reference flight direct flight distance flight diverted flight domestic flight domestic flight stage downward flight drift flight dual flight eastbound flight effect on flight characteristics emergency flight emergency flight procedures empty flight endurance flight engine-off flight engine-on flight en-route flight en-route flight path en-route flight phase en-route flight planning entire flight establish the flight conditions estimated time of flight exercise flight supervision experimental flight extra flight extra section flight factory test flight familiarization flight fatal flight accident ferry flight filed flight plan file the flight plan first-class flight flapless flight flight acceptance test flight accident flight altitude flight announcement flight assurance flight baby cot flight book flight briefing flight calibration flight certificate flight characteristics flight chart flight check flight checked flight clearance flight compartment flight compartment controls flight compartment view flight computer flight conditions flight control flight control boost system flight control fundamentals flight control gust-lock system (при стоянке воздушного судна) flight control load flight control system flight coordination flight corrective turn flight coupon flight coupon stage flight course flight crew flight crew duty flight crew equipment flight crew member flight crew oxygen system flight crews provision flight crew supervision flight data flight data averaging flight data input flight data link flight data recorder flight data storage unit flight dead reckoning flight deck flight deck aural environment flight deck environment flight departure flight deterioration flight direction flight director flight director computer flight director course indicator flight director indicator flight director system flight director system control panel flight discrepancy flight dispatcher flight distance flight distance-to-go flight diversion flight documentation flight documenting flight duration flight duty period 2. полетное рабочее время flight emergency circumstance flight endurance flight engineer flight engineer's seat flight engineer station flight envelope flight environment data flight environment data system (условий полета) flight evaluation flight evasive aquisition flight examination flight experience flight fitness flight following flight forecast flight gyroscope flight history flight hour flight idle flight idle power flight idle speed flight idle stop (для предупреждения перевода на отрицательную тягу винта) flight inbound the station flight indicator flight information 2. стирать запись полетной информации flight information board flight information center flight information display flight information region flight information service flight information service unit flight inspection personnel flight inspection system flight inspector flight instruction flight instructor flight instrument reading flight lane flight level flight level table flight load flight load feel mechanism flight loading conditions flight logbook flight longitude flight management flight management computer system flight management system flight map flight mode flight monitoring 2. контроль за полетом flight navigation flight navigator flight occurrence identification flight on heading flight operating safety flight operation flight operations expert flight operations instructor flight operations personnel flight operations system flight operator flight outbound the station flight over the high seas flight path flight path angle flight path curvature flight path envelope flight path segment flight path tracking flight performance flight personnel flight personnel information flight pick-up equipment flight plan flight plan clearance flight plan filing flight plan form flight planner flight planning flight plan submission deadline flight precise information flight preparation flight preparation form flight procedure flight procedures trainer flight progress board flight progress display flight progress information flight progress strip flight range flight range with no reserves flight reasonable precautions flight recorder flight recorder record flight recorder recording flight recorder system flight recording medium flight recovery flight regularity communication flight regulation flight replanning flight report flight report identification flight request flight restart flight restart button flight resumption flight review flight route flight routing flight rules flight safety flight safety hazard flight safety precautions flight schedule flight service flight service kit flight service range flight service station flight significant information flight simulation flight simulation system flight simulator flight speed flight spoiler flight stage flight standards flight status (определяет степень важности полета) flight stress measurement tests flight strip flight supervision flight technique flight test flight test noise measurement flight test procedure flight test recorder flight test technique flight thrust flight time flight time limitation flight timetable flight track flight training flight training deficiency flight training procedure flight type flight under the rules flight urgency signal flight visibility flight visual contact flight visual cue flight visual range flight watch flight weather briefing flight wind shear formation flight free flight full-scale flight full-throttle flight given conditions of flight gliding flight go-around flight manoeuvre govern the flight grid flight handle the flight controls hazardous flight conditions head-down flight head-up flight head-wind flight hidden flight hazard high-speed flight hing-altitude flight holding flight holding flight level horizontal flight horizontal flight path hover flight hypersonic flight idle flight inaugural flight inclusive flight incontrollable flight in flight in flight blunder in flight bump instructional check flight instructional dual flight instructional solo flight instrument flight instrument flight plan instrument flight procedure instrument flight rules instrument flight rules operation instrument flight trainer instrument flight training intended flight intended flight path intermediate flight stop international flight international flight stage introductory flight inward flight jeopardize flight safety jeopardize the flight jettisoned load in flight latch the propeller flight stop lateral flight path level flight level flight noise requirements level flight path level flight time limit flight time line of flight line oriental flight training local flight long-distance flight low altitude flight planning chart lower flight level low flight low-level flight low-speed flight low-visibility flight maiden flight maintain the flight level maintain the flight procedure maintain the flight watch man-directed flight manipulate the flight controls mechanical flight release latch meteorological reconnaissance flight mid-course flight minimum flight path misinterpreted flight instructions misjudged flight distance mode of flight modify the flight plan monitor the flight multistage flight night flight noise certification takeoff flight path noiseless flight nonrevenue flight nonscheduled flight nonstop flight nontraffic flight nonvisual flight odd flight level off-airway flight one-stop flight one-way flight on-type flight experience operational flight information service operational flight plan operational flight planning operational flight procedures orientation flight out-and-return flight out-of-trim flight outward flight overland flight oversold flight overwater flight overweather flight performance flight pleasure flight point-to-point flight portion of a flight positioning flight powered flight power-off flight power-on flight practice flight prearranged flight prescribed flight duty prescribed flight track preset flight level private flight production test flight profit-making flight provisional flight forecast radio navigation flight reach the flight level rearward flight receive flight instruction reference flight reference flight procedure reference flight speed refuel in flight refuelling flight regular flight relief flight repetitive flight plan replan the flight reportable flight coupon report reaching the flight level restart the engine in flight resume the flight return flight revenue earning flight rhumb-line flight rotorcraft flight structure round-trip flight routine flight sailing flight scheduled flight sector flight select the flight route shakedown flight short-haul flight shuttle flights sideward flight speed (вертолета) sight-seeing flight simulated flight simulated flight test simulated instrument flight single-engined flight single-heading flight soaring flight solo flight special event flight stabilized flight staggered flight level stall flight standoff flight stationary flight steady flight steady flight speed still-air flight still-air flight range stored flight plan straight flight submission of a flight plan submit the flight plan subsonic flight supernumerary flight crew supersonic flight supervised flight supplementary flight plan synthetic flight trainer tailwind flight takeoff flight path takeoff flight path area taxi-class flight terminate the flight test flight test in flight theory of flight through flight through on the same flight total flight experience traffic by flight stage training dual flight training flight training flight engineer training solo flight transfer flight transient flight transient flight path transit flight trial flight turbulent flight turnround flight unaccelerated flight uncontrolled flight under flight test undergo flight tests unofficial flight information unscheduled flight unsteady flight upper flight information region upper flight level upper flight region usable flight level vectored flight visual contact flight visual flight visual flight rules visual navigation flight VOR course flight while in flight wings-level flight with rated power flight

approach n abbreviated visual approach advisory approach aerodrome approach aerodrome approach aids aerodrome approach area aerodrome approach chart aerodrome approach control system aerodrome approach lights aerodrome approach road aeronautical approach chart aids to approach angle of approach angle of approach light approach angle correction approach angle indicator approach area approach area hazard approach azimuth approach azimuth antenna approach azimuth guidance approach beacon approach beam approach ceiling approach chart approach clearance approach computer approach control approach controller approach control point approach control radar approach control service approach control tower approach control unit approach course approach elevation antenna approach end approach facilities approach final approach fix approach flight reference point approach flight track distance approach flow approach funnel approach glide approach glide slope approach guidance nose-in to stand system approach heading approach height approach idle approach information approaching aircraft approach landing approach leg approach light beacon approach lighting approach lighting system (к ВПП) approach lights approach lights collision approach mass correction approach measurement distance approach navigation approach noise angle approach noise level approach noise measurement approach noise path approach noise reference point approach operation approach path approach pattern approach phase approach procedure approach profile approach radar system approach rate of descent approach sector approach segment approach sequence approach setting approach slope guidance approach slope indicator approach speed approach system approach technique approach terrain approach test procedure approach the beam approach threshold lights approach time approach to land procedures approach with flaps down approach zone automatic approach automatic approach system azimuth approach path back course approach beam approach beam approach beacon system blind approach center line approach circling approach circling approach area clearance for straight-in approach complete approach contact approach continuous descent approach coupled approach crossbar approach lighting system (к ВПП) crosswind approach curved approach decelerating approach direction of approach discontinue approach discontinued approach discontinued approach climb enter the final approach track execute approach expected approach time final approach final approach altitude final approach fix final approach operation final approach path final approach track flap approach position flat approach front course approach gliding approach ground controlled approach ground-controlled approach procedure head-on approach helicopter approach height initial approach initial approach altitude initial approach fix initial approach segment inner approach lighting instrument approach chart instrument approach course instrument approach landing instrument approach procedure instrument landing approach intermediate approach intermediate approach fix intermediate approach operation land approach landing approach speed left-hand approach localizer approach localizer approach track long approach low-visibility approach measured approach profile miss approach missed approach missed approach azimuth missed approach operation missed approach procedure missed approach procedure track no-aids used approach no-flap approach speed no-flap - no-slat approach speed noise certification approach path nominal approach path nonprecision approach nonprecision approach procedure nonprecision approach runway nonstraight-in approach normal approach no-slat approach speed offset approach one-eighty approach practice low approach precision approach precision approach lighting system precision approach path precision approach path indicator precision approach procedure precision approach radar precision approach radar system precision approach runway precision approach terrain chart procedure approach track radar approach radar approach beacon radar approach control radio approach aids rectangular approach traffic pattern rectangular traffic pattern approach reference approach angle reference approach height right-hand approach runway approach surveillance radar segmented approach segmented approach path selected approach altitude selected approach slope serve approach short approach simple approach simple approach lighting system (к ВПП) standard approach standard approach system standard beam approach system steadiness of approach steady approach steep approach step-down approach straight-in approach straight-in approach path straight-in ILS-type approach surveillance radar approach symmetric thrust approach teardrop approach timed approach upwind approach visual aids to approach visual approach visual approach indicator visual approach slope indicator system visual approach streamline

system n abbreviated visual indicator system (глиссады) acceleration warning system accessory power system acoustical measurement system actuating system (механическая) aerial spraying system (например, удобрений) aerodrome alert system aerodrome approach control system aerodrome drainage system aerodrome marking system aerodynamic roll system aileron control system aileron trim system aileron trim tab control system air bleed system (от компрессора) air borne system air brake system air conditioning system (в кабине воздушного судна) air cooling system aircraft control system aircraft electric system aircraft heating system aircraft identification system aircraft integrated data system aircraft landing measurement system aircraft pneumatic system aircraft system aircraft warning system air data computer system airfield lighting system air humidifying system air induction system air-interpreted system airport communication system air pressurization system (кабины) air starting system air surveillance system air traffic audio simulation system (для тренажеров) air traffic control system airway system airworthiness control system alerting system altitude alert system angle guidance system angle-of-attack, slip and acceleration warning system angle-of-attack warning system anticollision lights system anti-icing system (постоянного действия) antiskid system antisurge system (двигателя) approach guidance nose-in to stand system approach lighting system (к ВПП) approach radar system approach system area forecast system (погоды) area navigation system artificial feel system associated aircraft system astronavigation system attitude control system (в полете) audio system augmented lift system noise augmented system autoalarm system autoland system automated data interchange system automated navigation system automated radar terminal system automatic approach system automatic feathering system automatic flight control system automatic landing system automatic monitor system automatic stabilization system (воздушного судна) automatic test system autopilot system autothrottle system (двигателя) autotrim system auxiliary hydraulic system aviation safety reporting system avionic system baggage-clearance system baggage-dispensing system baggage-handling system baggage-tracing system bank counteract system (при отказе одного из двигателей) beam approach beacon system beam-rider system blind landing system blowaway jet system braking system breather system (двигателя) build-in test system cabin heating system cabin temperature control system cable control system calibrate the system calibration system (напр. сигналов) caution system circulating oil system (двигателя) closed cooling system code letter system collective pitch control system (несущего винта) collision avoidance system collision prevention system color coded system Commission for basic Systems compass system compass system coupling unit conditioning-pressurization system (гермокабины) conflict alert system constant speed drive system containment system (фюзеляжа) control system control system load cooling system crew oxygen system crossbar approach lighting system (к ВПП) customs accelerated passenger inspection system cyclic pitch control system (несущего винта) data communication system data handling system data interchange system data link system data processing system data-record system data switching system data system day marking system (объектов в районе аэродрома) defueling system dehydrating system (межстекольного пространства) deicing system (переменного действия) determine air in a system deviation warning system digital flight guidance system dimmer system (напр. экрана локатора) direct-address transponder system direct lift control system discrete address beacon system discrete communication system distance measuring system docking system (воздушного судна с трапом) Doppler computer system (путевой скорости и угла сноса) drainage system drain system dual autoland system dual-channel system (оформления пассажиров) dual ignition system (топлива в двигателе) early warning system electrical generating system electronic engine control system electronic landing aids system emergency brake system emergency hydraulic system emergency lighting system emergency power system emergency shutdown system (двигателя) emergency system (для применения в случае отказа основной) emergency uplock release system (шасси) emergency warning system empennage anti-icing system (постоянного действия) engine anti-icing system (постоянного действия) engine breather system engine control system engine deicing system (переменного действия) engine fuel system engine starting system engine start system engine throttle interlock system engine vent system engine vibration indicating system environmental control system equipment environment control system (воздушного судна) environment control system noise exhaust system (двигателя) exhaust system manifold exhaust system muffler exterior lighting system (посадочные фары, габаритные огни) external electrical power system external load sling system (на вертолете) fail-operative system (сохраняющая работоспособность при единичном отказе) feedback control system feed system (напр. топливом) feel system fin hydraulic system fire detection system fire extinguisher system fire-protection system fire warning system fixed-time dissemination system flaps asymmetry warning system flaps drive system flaps interconnection system flight control boost system flight control gust-lock system (при стоянке воздушного судна) flight control system flight crew oxygen system flight director system flight director system control panel flight environment data system (условий полета) flight inspection system flight management computer system flight management system flight operations system flight recorder system flight simulation system fog dispersal system (в районе ВПП) follow-up cable system follow-up system foot-pound system fuel cross-feed system fuel dip system fuel dump system fuel enrichment system fuel feed system fuel flowmeter system fuel gravity system fuel indicating system fuel injection system fuel jettisoning system (fuel jettisonning system) fuel management system fuel manifold drain system fuel preheat system (на входе в двигатель) fuel storage system fuel supply system fuel system fuel usage system (из баков) gas-cooled system general alarm system generation system generator autoparalleling system glide-path landing system gravity lubricating system (двигателя) ground control system (полетом) ground guidance system ground proximity warning system ground-referenced navigation system ground shift system guidance system guide beam system gyro-magnetic compass system gyro system hazard information system heating system heat system helicopter control system high-intensity lighting system (на аэродроме) high-pressure fuel system hijack alarm system (воздушного судна) hydraulic control boost system hydraulic starting system (двигателя) hydraulic system ice protection system ignition system illuminating system (приборов в кабине экипажа) independent starting system (двигателя) indicating system individual ventilation system inertial control system inertial navigation system inertial sensor system instrument failure warning system instrument guidance system instrument landing system integrated automatic system integrated control system integrated system of airspace control integrated world-wide system (управления полетами) intercommunication system intercooler system interlocking system interlock system international meteorological system interphone system jamming system (радиосигналов) jet deviation control system landing gear indication system landing guidance system landing system landline system lateral control system (воздушным судном) leading edge flap system lead-in lighting system (при заруливании на стоянку) life support system (воздушного судна) load feel system (на органах управления) load grip system localizer antenna system longitudinal control system (воздушным судном) long-range air navigation system loop circuit system low level wind-shear alert system lubrication system Mach-feel system Mach trim system malfunction detection system mandatory reporting system (на борт воздушного судна) mapping radar system maximum speed limiting system mechanical cooling system mechanized baggage dispensing system mileage system (построения тарифов) multichannel circuit system nacelle cooling system (двигателя) national airspace system navigation system navigation system selector noise annoyance rating system nosewheel steering follow-up system nozzle control system oil dilution system oiling system oil scavenge system omnibearing distance system onboard weight and balance system one-step inspection system (пассажиров путем совмещения паспортного и таможенного контроля) open cooling system organized track system passenger address system passenger bypass inspection system (перед вылетом) passenger oxygen system phone system pictorial navigation system (информации) pilot-controller system pilot-interpreted navigation system pitch control system pitch limit system (воздушного винта) pitot-static system platform stabilization system power-boost control system power-operated control system precision approach lighting system precision approach radar system preprocessed data system pressure control system pressure fueling system pressure fuel system pressurization system priming system (топлива в двигатель) propeller feathering system propeller pitch control system prove the system proximity warning system (воздушных судов) public address system push-pull control system (при помощи тяг) Q-feel system radar airborne weather system radar backup system radar guidance system radar homing system radar navigation system radar scanning beam system radar side looking system radar system radio-beacon landing system radio-beacon system radio navigation system radio system radiotelephony network system (воздушных судов) recording system reference system remote control system reproducing system reservations system (мест) restore the system return line system (рабочей жидкости в бак) reversible control system rho-theta navigation system robot-control system (полетом) rotor drive system rotor governing system rudder control system rudder limiting system rudder trim tab control system run fluid through the system runway classification system runway lead-in lighting system runway lighting system satellite-aided tracking system (за воздушным движением) scanning beam guidance system sealing system (напр. люков) search and rescue system selective calling system (на связь) self-contained navigation system self-contained oil system self-contained starting system self-test system shock absorption system short range radio navigation system simple approach lighting system (к ВПП) slip warning system slope indicator system smoke detection system (в кабине воздушного судна) speed brake system speed control system (полета) spraying system (удобрений) stall barrier system stall prevention system (на крыло) stall warning system (на крыло) standard approach system standard beam approach system standby system starting system static discharging system static system (система статического давления) steering system stick shaker system (при достижении критического угла атаки) suppressor exhaust system switching system system leakage device system of monitoring visual aids (на аэродроме) system of units (измерения) system preservation filler systems compartment systems operator pilot Systems Study section (ИКАО) tab control system tactical air navigation system takeoff monitoring system tank pressurizating system taxiing guidance system teletype broadcast system test the system three-axis autostabilization system thrust augmentor system (двигателя) thrust reverser interlock system thrust reverser system thrust system tracking system (за полетом) traffic alert system transmission rotor drive system trim system (воздушного судна) triplex system turn off the system turn on the system two-frequency glide path system two-frequency localizer system two-shot fire extinguishing system unarm the system unassisted control system utility hydraulic system ventilation system (кабины) vent system visual approach slope indicator system visual docking guidance system voice communication system voice recorder system (экипажа) warning flag movement system warning system warning system control unit water injection system (на входе в двигатель) water supply system weight system (багажа или груза) wind flaps control system window demisting system (межстекольного пространства) windshear warning system windshield anti-icing system wing anti-icing system wing flap control system wing-flap system wing spoiler system wire collision avoidance system wireless system wire system World Geographic Reference system

landing n land v accuracy landing achieve a smooth landing aerodrome of intended landing aft landing gear aircraft landing aircraft landing measurement system allowable landing weight all-weather landing capability amphibious landing gear angle of landing approach landing arresting landing gear asymmetric thrust landing autoflare landing automatic landing automatic landing system autorotation landing auxiliary landing field bad weather landing balked landing balked landing path be forced landing belly landing below the landing minima bicycle landing gear blind landing blind landing system body landing gear bogie-type landing gear bounced landing bumpy landing cantilever landing gear carry out a landing castor landing gear clear landing collapsed landing gear commence the landing procedure commit landing compulsory landing contact landing conventional takeoff and landing aircraft correct landing crash landing crash landing strip cross-wind landing day landing dead-engine landing dead-stick landing deck landing design landing mass design landing weight direction for landing distress landing downwind landing dummy landing gear electronic landing aids system emergency landing emergency landing gear emergency landing gear extension emergency landing provisions engine-out landing evacuation in crash landing extend the landing gear fail to extend landing gear fail to retract landing gear fear-up landing fee per landing fixed landing gear flap landing position flapless landing flaps landing setting float-type landing gear forced landing forward retracting landing gear four-wheel bogie landing gear free-fall landing gear from landing operations from landing taxiing full-circle landing full-stop landing gear-down landing glide landing glide-path landing system grass landing area ground-controlled landing ground taxi from landing operation hard landing helicopter-type landing hull equipped landing gear improper landing flareout inadvertently retracted landing gear instrument approach landing instrument landing instrument landing approach instrument landing system intended landing intermediate landing inward retracting landing gear kill the landing speed land after procedure land downwind landing accident landing aerodrome landing after last light landing aids landing approach speed landing area facilities landing beacon landing beam landing beside fix landing capability landing capacity landing characteristics landing charge landing chart landing clearance landing clearance confirmation landing conditions landing configuration landing control landing direction-finding station landing direction indicator landing direction indicator lights landing direction lights landing distance landing distance available landing distance with reverse thrust landing field landing flap landing flare landing flare path landing floodlight landing forecast 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 landing guidance system landing heading landing headlight landing instruction landing lights landing load landing mass landing minima landing noise landing off the aerodrome landing operation landing pattern landing performance landing procedure landing request landing roll landing roll operation landing run landing runway landing sequence landing sign landing site (для вертолетов) landing speed landing strip (с грунтовым покрытием) landing sudden windshift landing system landing technique landing tee landing transition segment landing turn landing water run landing weight landing windshear land into the wind land into wind land on water land the aircraft land vertically lateral drift landing level landing levered landing gear lock the landing gear lock the landing gear down lock the landing gear up lower the landing gear low visibility landing main landing gear main landing gear beam maximum permitted landing weight minimum landing speed night landing nonretractable landing gear nose landing gear nose landing gear door off-field landing overshooting landing overweight landing pancake landing partial flap landing pontoon equipped landing gear power-off autorotative landing power-on landing precision landing prematurely retracted landing gear prepared landing area prepare for landing priority landing prohibition of landing quadricycle landing gear radar landing minima radio-beacon landing system raise the landing gear rearward retracting landing gear rebound landing reduced takeoff and landing aircraft release the landing gear release the landing gear lock retractable landing gear retract the landing gear reverse-thrust landing rough landing run from landing running landing run out the landing gear safe landing semilevered landing gear short landing short takeoff and landing aircraft single-skid landing gear skid-equipped landing gear ski-equipped landing gear smooth landing speed in landing configuration (конфигурации воздушного судна) spot landing stall landing steerable landing gear straight-in landing supplementary landing gear tail-down landing tailwheel landing gear take-off and landing characteristics talk-down landing test landing three-point landing touch-and-go landing trend-type landing tricycle landing gear two-point landing unlatch the landing gear unobstructed landing area upwind landing vertical landing vertical takeoff and landing aircraft visual landing visually judged landing water landing wheel landing gear wheels-down landing wheels-up landing whilst landing wide-track landing gear wind-assisted landing gear wind landing gear zero-zero landing