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The Cambridge Aerospace Dictionary
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Foreword Gathering terms for an aer
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Foreword ‘Aided Target Recognitio
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A A 1 General symbol for area (see
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AAEEA AAEEA Association des Anciens
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Aberporth Aberporth Chief UK missil
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ACARE ACARE Advisory Council for Ae
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ACD ACD 1 Automatic [or automated]
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Acost Acost Advisory Committee on S
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active magnetic bearing active magn
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ADDS ADL ADDS 1 Airborne-decoy [or
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ADSI system in which saturation in
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A/E/R cross-sections at start of di
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aeroflight mode or from sea-level t
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AETC AETC Air Education & Training
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AFIS AFIS 1 Airfield/aerodrome/airp
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after-flight inspection or mixture
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AHD 2 Attitude/heading computer. AH
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air airburst 3 Air-inflatable retar
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aircrew equipment assembly Large ci
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AIRMET, Airmet normally issued loca
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airspeed indicator, ASI connected t
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AJ AJ Anti-jam. A j Nozzle throat a
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alkali metal alkali metal Group of
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altimeter fatigue of climb and desc
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Amdar Amdar, AMDAR Automated missio
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AMSA 5 Air [or aerospace, or aircra
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angels angels 1 Historic military R
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A-NPR, ANPRM Commerciale (Rome); ot
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Anvis/Hud Anvis/Hud Adds head-up di
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aperture card aerial, through which
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approach with vertical guidance app
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Arcads Arcads Armament control and
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ARMC fundamental to machine design,
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artificial gravity artificial gravi
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ASGC 2 Piloted aircraft, special/co
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assembly drawing buildings, docks,
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asynchronous lines meet at infinity
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ATIC 2 Anti-trust immunity [DoT] (U
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Atran thus ATR, ½ATR, ¼ATR etc; b
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AUF AUF 1 Airborne use of force (US
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automatic pull-up automatic pull-up
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AVAQ excess of critical voltage is
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AWPA AWPA Australian Women Pilots
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B B 1 Pitching moment of inertia. 2
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BADD avoidance distance measured al
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B&GS B&GS Bombing and gunnery schoo
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ase line, baseline base line, basel
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BBM. BBm 2 Bring-back load. BBM, BB
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earing chamber between parts having
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BF watch or instrument; esp. rotata
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iological warfare biological warfar
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lade element Royce, * is unshrouded
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lind rivet blind rivet Rivet insert
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lowout allow escape of part of air
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oilerplate boilerplate Non-flying f
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ooster brute force, usually by hydr
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ow bow Rhyming with go: 1 Curvature
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eakaway thrust 2 Altitude at which
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BSC BSC 1 Beam-steering computer (E
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ulk out in fluid under pressure; nu
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utterfly maximum continuous power
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C C 1 Degrees Celsius. 2 Coulomb[s]
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Cacas Cacas Civil Aviation Council
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Calow (liquid or granules); gives p
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CAPA 3 Various portions of parachut
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Carnot cycle Carnot cycle Ideal rev
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categories 2 For repaired runway cr
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CCC CCC 1 See C 3 with suffixes. 2
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C Dp 8 Continuous-data program. C D
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centimetric radar centimetric radar
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Cesar 3 Consumables, expendables an
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chamber chamber In liquid rocket en
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chined tyre merging into wing. On a
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CIGFTPR CIGFTPR Controls-instrument
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civil time civil time See mean sola
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climbing cruise, climb cruise climb
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C mcg C mcg Coefficient of pitching
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co-axial cable blades on same axis
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cold rating keeping relatively cool
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command ejection command ejection O
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component life component life Autho
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condensation trail rendering shock
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constant-energy line ground transpo
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contractor-furnished weight, CF wei
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Convl 1 Rotary machine for changing
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corruption gas-turbine flame tube,
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C/P 15 Control panel. 16 Conflict p
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CRCO CRCO Central Route Charges Off
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cross-deck cross-deck Operations by
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CS-A 3 Control-stick assembly. 4 Ch
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CTLA 4 Coal to liquid. CTLA Control
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C v 3 Compiler vendor. 4 Cryptograp
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D D 1 Total aerodynamic drag. 2 Dan
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damping factor 6 See yaw *. damping
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dBi 2 Downlink block identifier. 3
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DDT&E DDT&E Design, development, te
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dedicated dedicated Available only
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demounting any decision on procurem
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dessyn dessyn Synchro (trade name).
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DGES 5 Dirección General de Aviaci
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diffuser microminiature grids, or l
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direct frontal need to rotate to di
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dispersion error 7 Measure of resol
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DLF DLF Design load factor. DLFA De
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documentation 3 Process of manoeuvr
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double drift double drift Method of
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DPMC DPMC Digital-plotter map compu
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drip strip drip strip See drip flap
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DS DS 1 Data sheet. 2 Directionally
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DTU DTU 1 Display terminal unit. 2
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DV DV 1 Distinguished visitor (US).
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E E 1 Energy (but work often W). 2
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EATC 3 Engage and trim indicator. E
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ECSL, ECSM, ECSR 10 Enhanced commun
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effective helix angle EGT EFMCS Enh
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ejector lift ejector lift Method of
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electrometallurgy 2 Control of engi
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Emals, EMALS Emals, EMALS Electroma
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endurance endurance Maximum time ai
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envelope diameter 6 Volume of airsp
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equator equator Primary great circl
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EROC EROC En-route obstacle clearan
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essential items essential items Sha
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European Air Chiefs European Air Ch
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exit cone Thus * criteria, required
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F F 1 Fahrenheit (contrary to SI).
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FAFC FAFC Full-authority fuel contr
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Faraday waves Faraday waves Specifi
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FCCC, FC3 5 Flying Control Committe
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feederliner feederliner Transport a
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FIB Freight Forwarders’ Associati
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filter crystal filter crystal Quart
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2 Flight-instrument and subsystem t
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flamestat flamestat Sensor detectin
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FLID DADC outputting MIL-1553B, Ari
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flightpath recorder flightpath reco
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floor vents floor vents Pass used c
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flying qualities aircraft on ground
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Fodcom Fodcom Flight Operations Dep
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forming three baseline factors dete
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FP70 FP70 Low-expansion firefightin
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free streamline free streamline One
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frontolysis atmosphere or increases
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FTIR 3 Fast tactical imagery. 4 Fli
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full rudder, aileron or elevator fu
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G G 1 Giga, multiplied by 10 9 . 2
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GASC Ground Air Support Command (US
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Gatip 3 Imposing mechanical stop on
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general-purpose aircraft general-pu
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GIBEA, Gibea 2 GNSS integrity broad
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GMC GMC Ground movement control, or
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GPIB GPIB General-purpose instrumen
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grease grease 1 Lubricants based on
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ground delay program tion of downwa
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GSD GSD 1 Graphics system design. 2
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gust loading between maximum gust a
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hack Halon to same reduction in bri
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h ant h ant Height of ILS or MLS an
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h b 2 Aircraft category, heavy bomb
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heavy bomber density; most consist
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Hete Hete High-energy transient exp
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highly blown engine Krügers, trail
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HMGP 3 Heavy machine gun. 4 Hydraul
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horizon horizon 1 Actual boundary w
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hovering ceiling hovering ceiling G
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HTD 2 Heavy Transport Conversion Un
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hybrid RAT hybrid RAT Ram-air turbi
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hypertension bands, dividing each c
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IADF IADF Isopropyl alcohol de-icin
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ICB I-CMS ICB International competi
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identification manoeuvre 2 Light on
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IFPTE IFPTE International Federatio
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ILS integrity 3 Integrated [or inte
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IMT IMT 1 International mobile tele
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inert round inert gas, usually nitr
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in-phase in-phase Occurring at the
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intercontinental ballistic missile
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inverse-square law inverse-square l
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IPSE IPSE Integrated product (or pr
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Isatis 2 Innovative space-based rad
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ITA ITA 1 Institut du Transport Aé
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J J 1 Turbojet (US military engine
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JEFTS JEFTS Joint Elementary Flying
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jock, jockey 2 Jet orientation cour
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JTSTR JTSTR Jetstream. JTT 1 Joint
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KBU KBU Keyboard unit. KC 1 Kill ch
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kitbuilt kitbuilt Constructed by cu
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L L 1 Characteristic length of body
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land land Return to Earth or planet
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latching indicator latching indicat
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LCMS 2 Landing craft, medium. 3 Lat
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leapfrog leapfrog To delay one rang
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LGM LGM US weapon category, silo-la
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Limaçon Limaçon Quartic curve, r
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LIU LIU LAN interface unit. LIV Lef
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lobe nozzle lobe nozzle Jet-engine
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long-range delays in delivery (heav
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LPBA LPBA Lawyer Pilots’ Bar Asso
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LTA LTA 1 Lighter than air. 2 The L
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M M 1 Prefix mega, × 10 6 . 2 Mass
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Mac-ship 2 Multiple-applications co
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Maid/Miles Maid/Miles Magnetic anti
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manoeuvring factor From the origin
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mascon mascon One of the mass conce
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Mauve AIC maximum power altitude 3
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m.c. 2 Machine, colloquial = aeropl
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MDLT MDLT Mobile data-link terminal
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MEHTF MEHTF Multiple-event hard-tar
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Metro, metro health measures normal
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micro-adjuster micro-adjuster Small
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miligraphic display miligraphic dis
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minimum warning time minimum warnin
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MKSA 2 International Space Station
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mobile satellite system helicopter-
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moment weight moment weight Mass of
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mountain breeze mountain breeze Col
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M R 9 Magnetic resonance. 10 Microw
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MSIS MSIS Multisensor stabilized in
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MTT MTT 1 Multiple-target tracking.
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MUSPA MUSPA Area-denial mine, dispe
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NACA 9 NASA Advisory Council. NACA
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NASAO NASAO National Association of
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NCAA 4 Non-commissioned aircrew; IT
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megative-g valve tude) and pilot ca
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NF NF 1 French material specificati
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NIMS, Nims important where creep-re
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nodding nodding Deflection under ve
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NON NON Unmodulated NDB, transmitti
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notched cone nozzle notched cone no
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NSO NSO Navigation/systems operator
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NURK NURK Astronautics Society (J).
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OATA 2 Operational acceptance test.
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octane rating knock) or performance
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OFW OFW Oblique flying wing. OFZ Ob
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omnivision omnivision Uninterrupted
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open rotor open rotor Open propfan.
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optical landing system velocities a
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orthogonal scanning orthogonal scan
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outburst through on way to aircraft
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overshoot area approach; in US call
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P P 1 Generalized symbol for force,
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pad abort 4 Network of resistances
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PAR 3 Precision-airdrop planning so
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PARL purposes as waiting for correc
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path-stretching best approach/withd
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pcBIRD pciBIRD A 6-DOF magnetic tra
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PED PED 1 Program(mme) element desc
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permeability tuning 2 In aerostat,
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phased array phased array Physicall
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pickoff sensitivity pickoff sensiti
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PIRA, Pira 7 Parachute Infantry Reg
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plane plane 1 Aeroplane or airplane
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P-LOCAAS P-LOCAAS Powered derivativ
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pneumatic altimeter flow at low pre
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polar orbit polar orbit Orbit passi
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positive stagger disturbance (upset
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power plant, powerplant power plant
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PRAT, Prat PRAT, Prat Production re
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prepware prepware Software, usually
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Prestal proper combustion has been
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priority induction resulting from c
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Proj safeguard wildlife. Height ran
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propeller width ratio propeller wid
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PSA 2 Primary/search director. 3 Pr
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PTCHY 4 Passive thermal control. 5
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pure pursuit-course lead Course in
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pyranometer pyranometer Actinometer
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QAI QAI Code: “What is essential
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quadruplane quadruplane Aeroplane w
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R R 1 Generalized term for range [a
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adar bombsight moment of simulated
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adial struts radial struts Those co
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adiological defence radiological de
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RAIS RAIS Redundant array of inexpe
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ange bar range bar Bold, usually ho
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ated centrally above value, thus if
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RCR RCR 1 Runway condition reading.
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eal fluid missiles, RPVs and other
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ectenna rectenna Rectifying aerial
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eference line for calculating landi
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eingestion stall reingestion stall
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Repin (G) Repin (G) Replacement ine
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Resound 2 Magnetostrictive ferromag
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eversal reversal 1 Half a cycle of
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RFSS RFSS 1 RF surveillance system.
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ight ascension right ascension Angu
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RLG RLG 1 Ring laser gyro. 2 Relief
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ocket ammunition monopropellants (e
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oll rate muscular input [but emphat
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otor force of being dangerous, with
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R/R 3 Rain-repellant liquid. 4 Rain
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RTG RTG 1 Radiotelegraph[y]. 2 Real
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un-up 4 A composite tolerance speci
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S S 1 Generalized symbol for area,
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SAdO SAdO Station Administration Of
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Salkit Salkit Supplemental airfield
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Sartor, SARTOR Sartor, SARTOR Stand
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SBU SBU Sensitive but unclassified.
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scavenge filter scavenge filter Pri
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SCPL SCPL Senior commercial pilot
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SDFOV 6 Special Duties Flight [unit
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Sec[s] Sec[s] 1 Second[s] (contrary
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see-saw rotor see-saw rotor See tee
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semi-automatic gun semi-automatic g
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series burn 3 Mathematical expressi
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SEV 2 Stores ejector unit. 3 Single
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shadowing second derivative of refr
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shim shim Thin spacer, from piece o
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shoulder propelled shot (2), usuall
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side oblique side oblique Photograp
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silver cell requiring flight of at
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sinide tensile filament, normally w
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skin paint axis can vary from horiz
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sleeve valve ends and towed large-e
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slow-CAP slow-CAP Combat air patrol
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SMF SMF 1 Sintered metal fibre. 2 S
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Snipag Snipag Syndicat National des
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software-enabled control packs, esp
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Sopemea Sopemea Société pour le P
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spacer spacer See shim. space segme
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special technical instruction aircr
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spherical convergent flap nozzle sp
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splash lubrication splash lubricati
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spotting sible for immediate warnin
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squawk (number) squawk (number) Ope
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SSC SSC 1 Short-service commission
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stability margin one too fuel-rich
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stalled pressure (variable-sweep at
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standby item 3 Able to board flight
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static ceiling along interior of tr
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STCA 3 Supplemental Type Certificat
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stick-shaker speed force which shak
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storm cell storm cell Central regio
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streamlined streamlined 3-D body sh
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strobe marker 5 To select particula
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SUAVS 2 Strategic UAV experiment (U
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superboom different yard because of
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surface acoustic wave 4 2-D layer i
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SVF 2 Space Vehicles Directorate (U
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switchology and electronic later, a
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T T 1 Temperature, esp. absolute. 2
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TACP TACP Theatre [or tactical] air
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tail rotor zontal tail, to increase
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tantalum computer storing many wayp
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TASS 2 Terminal airport surveillanc
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TC/s 14 Transformational communicat
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TEDS TEDS Tactical expendable drone
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tephigra, tephigram Graphical plot
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TET major element of its design, co
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thermal diffusivity thermal diffusi
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thin-film lubrication thin-film lub
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throttle back admission to engine o
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tic 6 Technologies of information a
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time/temperature indicator time/tem
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TLA TLA 1 Towed linear-array sonar.
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toluene toluene Flammable liquid us
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torque stand torque stand Test stan
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Townsend avalanche though usually w
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tracking for production of air-defe
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Trakmat Trakmat UV-stabilized polyp
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transmission transmission 1 Process
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travelling-wave aerial travelling-w
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trimode scanner liquids) located as
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true course true N) at observer and
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TTCP TTCP The Technical Co-operatio
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turbine vane (rotor inlet temperatu
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TVRS 3 Tactical video link. TVRS 1
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2-star red series, either both driv
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UASTAS UASTAS Unmanned airborne sur
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ultimate stress “flappable” par
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unfactored assessing airline or oth
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unstable aircraft unstable aircraft
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USAAC UST USAAC USA Air Corps (1926
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V V 1 Volts, potential, e.m.f., als
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valve lift valve lift Total linear
- Page 1512:
variable-geometry inlet reasonable
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VCSD 4 Voice-controlled, or voice c
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velocity of light synonymous with s
- Page 1524:
vertical probable error V FE vertic
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vibration mode vibration mode Most
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visibility prevailing visibility pr
- Page 1536:
V MCL without going off runway and
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VORMB, VOR/MB indicator or (esp. in
- Page 1544:
VSDR 3 VDL(2) specific DTE address.
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W W 1 Watt[s], and general symbol f
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WARC WAS WARC World Administrative
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water level water level Generalized
- Page 1560:
weak extinction weak extinction Ces
- Page 1564:
weight and balance sheet flight des
- Page 1568:
WH WH Hurricane advisory. Wh 1 Watt
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wide-deck (arguable) but operationa
- Page 1576:
wing arrangement wingtip tanks are
- Page 1580: wire link wire link Telemetry in wh
- Page 1584: WRA WRA 1 Weapon replaceable assemb
- Page 1588: X X 1 Longitudinal axis (more stric
- Page 1592: Y Y 1 Yaw, yaw angle. 2 Lateral axi
- Page 1596: Z Z 1 Vertical (normal) axis (OZ),
- Page 1600: ZHR ZHR Zenithal hourly rate (measu
- Page 1604: Appendix 1: Greek symbols The follo
- Page 1608: Appendix 1 2 Poisson’s ratio (ν
- Page 1612: Appendix 3: Electromagnetic frequen
- Page 1616: Appendix 5: Phonetic alphabets Earl
- Page 1620: Appendix 7: US engine designations
- Page 1624: Appendix 9: Joint electronics type
- Page 1628: Appendix 10 S7 S9 TC TF TG TI TJ TL
- Page 1634: Appendix 12 Maestro Mail Mainstay M