линия входа

acceleration control line flow restrictor acoustically lined jet pipe agonic line aircraft center line aircraft position line aircraft production break line aircraft stand lead-in line airfoil center line air line Air Line Pilot's align the aircraft with the center line all cargo line apron safety line assembly line barrette center line bypass fuel line center line center line approach chord line control transfer line course line dorsal line drain line entry line fly the rhumb line fuel crossfeed line fuel line fuselage brake line fuselage water line glide slope limit line glide slope line great circle line grid line heading lubber line identify the center line instability line International Federation of Air Line Pilots' Associations lateral line lead-in line lead-out line leveling plumb line life line line connection cap lined mixer line maintenance base line man line of flight line of position line of sight line oriental flight training line squall line up line up the aircraft line vortex lubber line obstacle clearance line obstacle line on aircraft center line on-course line painter line parting line plumb line pumping line radar warning line return line system (рабочей жидкости в бак) rhumb line rigging line routing line runway center line scavenging line shroud line slant course line stand center line static line stop line take off line taxiing direction line teleprinter line tiedown line trailing line turning line vent line connection ventral line wing base line wing chord line wing split line wing tip clearance line

entry n airport of entry bill of entry entry area entry clearance entry curve entry documents entry facilitation entry fix entry into climb entry into the aerodrome zone entry into the flare entry line entry procedure entry switching center address holding entry procedure log book entry no entry sign right - of - entry turbine entry temperature

acknowledgement of receipt actual time of arrival aerodrome of call aerodrome of departure aerodrome of intended landing aerodrome of origin aircraft center - of - gravity airport of departure airport of destination airport of entry allocation of duties allocation of frequencies allotment of frequencies alternative means of communication amount of controls amount of feedback amount of precipitation angle of allowance angle of approach angle of approach light angle of ascent angle of attack angle of climb angle of coverage angle of crab angle of descent angle of deviation angle of dip angle of dive angle of downwash angle of elevation angle of exit angle of glide angle of incidence angle of indraft angle of lag angle of landing angle of pitch angle of roll angle - of - sideslip transmitter angle of sight angle of slope angle of stall angle of turn angle of upwash angle of visibility angle of yaw antimeridian of Greenwich apparent drift of the gyro application of tariffs approach rate of descent arc of a path arc of equal bearings area of coverage area of coverage of the forecasts area of occurence area of responsibility arrest the development of the stall assessment of costs assignment of duties Association of European Airlines Association of South Pacific Airlines assumption of control message at a speed of at the end of at the end of segment (полета) at the end of stroke (поршня) at the start of cycle at the start of segment (полета) aviation-to-aviation type of interference avoidance of collisions avoidance of hazardous conditions axial of bank axis of precession axis of roll axis of rotation axis of yaw backward movement of the stick be out of trim best rate of climb bias out of view bill of entry bill of lading blanketing of controls body of compass card boundary of the area Bureau of Administration and Services camber of a profile care of passengers carriage of passengers carry out a circuit of the aerodrome cause of aircraft trouble center of air pressure center of depression center of force center of gravity center of mass center of pressure Central Agency of Air Service certificate of revaccination certificate of safety for flight certificate of vaccination choice of field class of lift clearance of goods clearance of obstacles clearance of the aircraft coefficient of heat transfer come clear of the ground complex type of aircraft composition of a crew concept of separation conditions of carriage cone of rays congestion of information continuity of guidance contour of perceived noise control of an investigation correlation of levels country of arrival country of origin course of training coverage of the chart curve of equal bearings danger of collisions degree of accuracy degree of freedom degree of skill degree of stability denial of carriage Department of Transportation derivation of operating data determination of cause determine amount of the error determine the extent of damage determine the sign of deviation development of the stall direction of approach direction of rotation direction of turn duration of noise effect elevation of the strip elevation setting of light units eliminate the cause of eliminate the source of danger (для воздушного движения) end of runway enforce rules of the air en-route change of level erection of the gyro estimated position of aircraft estimated time of arrival estimated time of departure estimated time of flight even use of fuel extension of ticket validity extent of damage facilitate rapid clearance of factor of safety filing of statistical data first freedom of the air first type of occurence flow of air traffic fly under the supervision of for reasons of safety freedom of action freedom of the air frequency of operations gathering of information general conditions of carriage General Conference of Weights and Measure General Department of International Air Services of Aeroflot get out of control given conditions of flight go out of control go out of the spin grade of service grade of the pilot licence grading of runway height at start of retraction hover at the height of identification of signals inconventional type of aircraft increase a camber of the profile indication of a request in interests of safety initial rate of climb initial stage of go-around inlet angle of attack intake angle of attack integrated system of airspace control interception of civil aircraft International Co-ordinating Council of Aerospace Industries Association International Council of Aircraft Owner and Pilot Associations International Federation of Air Line Pilots' Associations International Federation of Air Traffic Controllers' Associations International Relations Department of the Ministry of Civil Aviation interpretation of the signal interpretation of weather chart intersection of air routes in the case of delay in the event of a mishap in the event of malfunction introduction of the corrections keep clear of rotor blades keep clear of the aircraft keep out of the way layout of aerodrome markings layout of controls lessee of an aircraft level of airworthiness level of safety level of speech interference limiting range of mass line of flight line of position line of sight location of distress loss of control loss of pressurization loss of strength magnetic orientation of runway margin of error margin of lift margin of safety margin of stability marking of pavements mean scale of the chart means of communication means of identification meridian of Greenwich method of steepest descent mode of flight moment of inertia moment of momentum name-code of the route onset of wind operation of aircraft out of ground effect out of service overshoot capture of the glide slope period of rating currency personal property of passengers pilot's field of view plane of rotation plane of symmetry of the aeroplane point of arrival point of call point of departure point of destination point of discontinuity point of intersection point of loading point of no return point of origin point of turn-around point of unloading portion of a flight portion of a runway prevention of collisions primary element of structure prohibition of landing prolongation of the rating promotion of safety proof of compliance propagation of sound protection of evidence pull out of the spin pull the aircraft out of radar transfer of control radius of curvature range of coverage range of motion range of revolutions range of visibility range of vision rate of climb rate of closure rate of descent rate of disagreement rate of duty rate of exchange rate of flaps motion rate of growth rate of pitch rate of roll rate of sideslip rate of trim rate of turn rate of yaw reception of telephony record of amendments record of revisions regularity of operations relay of messages release of control removal of aircraft removal of limitations replacement of parts representative of a carrier reservation of a seat retirement of aircraft right - of - entry roll out of the turn rules of the air safe handling of an aircraft second freedom of the air second type of occurence selection of engine mode sequence of fuel usage (по группам баков) sequence of operation showers of rain and snow simultaneous use of runways site of occurrence slope of level (шумов) source of danger Standing Committee of Performance start of leveloff start of takeoff state of aircraft manufacture state of discharge (аккумулятора) state of emergency state of occurence state of transit steadiness of approach steady rate of climb structure of fronts submission of a flight plan system of monitoring visual aids (на аэродроме) system of units (измерения) table of cruising levels table of intensity settings table of limits table of tolerance take out of service target level of safety temporary loss of control termination of control theory of flight time of lag time of origin titl of the gyro top of climb transfer of control transmission of telephony transmit on frequency of triangle of velocities under any kind of engine failure uneven use of fuel unit of measurement velocity of sound wall of overpressure warn of danger within the frame of working language of ICAO zone of intersection zone of silence

procedure n accelerating climb procedure acceptance procedure aerodrome alerting procedure after takeoff procedure aircraft noise abatement operating procedures air traffic control procedures air traffic procedures air traffic services procedures alerting procedure approach procedure approach test procedure approach to land procedures approved flight procedure assembly procedure aviation company procedure base turn procedure certification test operational procedure circling procedure claiming procedure classification procedure clearance procedure cloud breaking procedure commence the landing procedure communication failure procedure construct the procedure coordination procedure crew operating procedure customs procedure departure procedure direction finding procedure disassembly procedure docking procedure emergency evacuation procedure emergency flight procedures emergency procedure engine starting procedure en-route procedure entry procedure establish the procedure execute an emergency procedure expedite baggage procedure fail to follow the procedure flight procedure flight procedures trainer flight test procedure flight training procedure flow control procedure frequency changeover procedure fuel savings procedure ground-controlled approach procedure ground training procedure handling procedure holding entry procedure holding procedure identification procedure immigration procedure inbound procedure inflight procedure inspection procedure installation procedure instrument approach procedure instrument flight procedure instrument holding procedure instrument missed procedure land after procedure landing procedure let-down procedure loading procedure maintain the flight procedure manufacturing procedure minimum circling procedure height minimum noise procedure missed approach procedure missed approach procedure track noise abatement procedures noise certification procedure noise evaluation procedure noise measurement procedure nonprecision approach procedure normal takeoff procedure operating procedure operational flight procedures outbound procedure overflight reference procedure overhaul procedure overshoot procedure position reporting procedure precision approach procedure preclearance procedure procedure approach track procedures document expert Procedures for Air Navigation Services procedure track procedure turn procedure turn template race-track holding procedure radio failure procedure radiotelephony operating procedures recommendations for standards, practices and procedures reference flight procedure regional supplementary procedures removal procedure reversal procedure reverse procedure rolling takeoff procedure search and rescue procedure starting procedure subsidiary procedures take a missed-approach procedure takeoff procedure teardrop procedure turn test procedure to-land procedure transmission procedure transponder procedure two-way radio failure procedure uniform procedure visual circling procedure

glide n above the glide slope aircraft spiral glide angle of glide approach glide approach glide slope below the glide slope break glide deviate from the glide slope duck below the glide path equisignal glide path false glide path follow the glide slope gain the glide path glide capture phase glide landing glide path glide path angular error glide path plane glide path sector glide path slope glide slope 2. глиссада glide slope antenna glide slope beacon glide slope beam glide slope beam bend glide slope capture glide slope deviation bar glide slope deviation scale glide slope error glide slope extension glide slope flag glide slope interception glide slope limit line glide slope line glide slope off-course glide slope pointer gliding angle gliding approach gliding descent gliding distance gliding flight gliding performance gliding range gliding speed gliding turn intercept glide path angle intercept the glide slope mean glide path error overshoot capture of the glide slope reach the glide path regain the glide path two-frequency glide path system

alignment n alignment bar alignment error axes alignment course alignment 2. точность установки курса runway alignment runway alignment indicator runway alignment indicator lights

runway n 2. самопроизвольное отклонение active runway align the aircraft with the runway all-service runway asphaltic runway surface autopilot runway available runway length basic runway length clear runway status clear the runway closed runway concrete runway concrete runway surface contaminate runway cross-sloped runway crushed stone runway surface damp runway delimit the runway delineate the runway dirt runway surface displaced runway threshold downhill runway dry runway dry runway status duty runway end of runway favourable runway orientation flooded runway foam a runway grading of runway grass runway surface gravel runway surface grooved runway surface hard-surface runway have the runway in sight high intensity runway lights humped runway ice-bound runway idle runway instrument runway landing runway leave the runway macadam runway surface magnetic orientation of runway main runway maintained runway noise preferential runway noninstrument runway nonprecision approach runway operational runway overflying the runway overrun the runway passing over the runway paved runway porous runway surface portion of a runway precipitation-covered runway (после выпадения атмосферных осадков) precision approach runway primary runway regular runway rigid pavement runway rising runway indicator run off the runway runway acceptance rate runway access taxiway runway alignment runway alignment indicator runway alignment indicator lights runway approach surveillance radar runway arrester runway arresting gear runway boundary beacon runway capacity runway category runway center line runway centerline runway centerline lights runway centerline marking runway classification system runway cleaner runway clearance light runway controlled runway control van runway designation marking runway direction runway drainage course runway edge runway edge lights runway edge marker runway edge marking runway elevation runway end identifier lights runway end lights runway end safety area runway end safety area lights runway environment runway extension runway extremity runway floodlight runway flush light runway friction characteristic runway gradient runway guard lights runway heading runway hidden hazard runway identifier lights runway intersection runway intersection sign runway jointing sealant runway leading edge runway lead-in lighting system runway lead-in lights runway length runway level runway lighting runway lighting system runway lighting unit runway marking runway orientation runway pattern runway pattern symbol runway performance runway presentation runway profile runway shoulder runway slope runway slope grid runway strip (включает ВПП, концевые и боковые полосы безопасности) runway strip pattern runway subgrade runway surface runway surface condition sensor runway surface evenness runway surface friction runway surface marking runway surface treatment runway sweeper runway threshold lights runway threshold marking runway touchdown lights runway true bearing runway turning bay runway usability factor runway usable distance runway user charge runway visibility runway visual length runway visual range runway visual range observation runway wearing course runway width secondary runway simultaneous use of runways slippery runway slope on runway smooth runway smooth runway surface snow-covered runway sodded runway soft-surface runway stabilizer runway takeoff runway the runway is clear the runway is not clear turf runway unpaved runway water-covered runway wet runway wet runway status wrong runway zero runway slope

curve adj altitude curve climb curve curve of equal bearings entry curve envelope curve frequency weighting curve noise level attenuation curve payload-range curve polar curve quadrantal error calibration curve thrust curve thrust versus speed curve turnoff curve

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

['dʌmɪ]

inbound adj flight inbound the station inbound aircraft inbound course inbound documentation inbound procedure inbound route inbound routing inbound stopover inbound track inbound traffic inbound turn turn inbound

level n above ground level above mean sea level acoustic reference level actual noise level measurement actual sideline noise level aerodrome level aircraft cost level altitude above sea level ambient noise level approach noise level arrival flight level at the ground level automatic level control background level battery electrolyte level be on the level on the hour certificated noise level cloud level community noise level continuous perceived noise level correlation of levels cruising level day-night sound level departure flight level design noise level deviation from the level flight en-route change of level eye level path fare level flight level flight level table fly at a low level fly level flyover noise level freezing level fuel level gage fuel low level switch (в баке) ground level high level network high level significant weather chart holding flight level illumination level international standard atmosphere level keep level layer between levels level attitude level control level cruise level down level flight level flight noise requirements level flight path level flight time level flying level gage level graticule level information level landing level of airworthiness level off level of safety level of speech interference level slope direction level switch (напр. топлива) level the aircraft out level turn level up liquid level switch (гироскопического прибора) lower flight level low level wind-shear alert system maintain the flight level maximum permissible noise level mean sea level mean sea level pressure minimum cruising level minimum level noise level noise level attenuation curve noise level radiation noise level value noise pressure level odd flight level oil level hole oil level tube output level overall sound pressure level peak perceived noise level permissible noise level pilot ability level pilot experience level precision sound level meter preset flight level reach the flight level recording level reduce noise level reference fare level remain level report reaching the flight level runway level safe level safety level sea level sea level atmospheric density single level overflight measurement skill level slope of level (шумов) sound exposure level sound level history sound level meter sound pressure level staggered flight level standard foreign fare level standard industry fare level standard noise level table of cruising levels takeoff surface level tank level indicator target level of safety tariff level factor threshold level transition level upper flight level upper level control area usable flight level

light n aeronautical ground light aeronautical light altitude alert light angle-of-approach light angle of approach light anticollision light anticollision lights system antiskid failure light approach light beacon approach lights approach lights collision approach threshold lights apron lights arming light artificial lights autopilot controller light bar light blade tip light boundary light boundary obstruction light cabin emergency light capacitor discharge light centerline lights channel lights circling guidance lights clearance bar light code light comparison warning light contact lights course lights crossbar lights deepened lights dome light downwind lights elevated light elevation setting of light units emergency exit light emergency light end lights extended centerline lights exterior lights failure warning light feathering arming light fire warning light fixed distance lights fixed lights flashing light fly-down light fly-up light focus the light fuel pressure warning light high intensity runway lights horizon bar lights identification light indicating light instrument panel light landing after last light landing direction indicator lights landing direction lights landing lights lead-in lights light air light aircraft light alarm light an engine light beacon lighted sign light filter light fitting light fixture light intensity light overhaul light precipitation light running lights barrette lights delineating light signal lights marking lights on request marker beacon passing light master fire light navigation light navigation light dihedral angle obstacle lights obstruction lights occulting light recognition light restriction light retractable light running lights runway alignment indicator lights runway centerline lights runway clearance light runway edge lights runway end identifier lights runway end lights runway end safety area lights runway flush light runway guard lights runway identifier lights runway lead-in lights runway threshold lights runway touchdown lights selection light sequenced flashing lights setdown lights side row lights steady burning lights stop bars lights stopway lights strobe light surface light tail light taxi-holding position lights taxi light taxiway centerline lights taxiway edge light taxiway lights telltale light threshold lights thrust reverser light touchdone zone lights touchdown sign lights ultraviolet light upwind lights vibration caution light warning light warning light color wing bar lights wing clearance light