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TVOR very high frequency terminal omni range station. # F' C q& w6 m# d4 N: g
TWR Tower (Control Tower) $ k8 K9 f; E0 `$ a3 H, b; f8 a
TYPE (1) As used with respect to the certification, ratings, privileges, and limitations of airmen, means a specific make and basic model of aircraft, incl... B, p3 F& S9 w& | ?7 M
U Airspace Euro control project Class U (unknown traffic) 6 a8 i/ o3 C5 G% I8 p, E* t
U/S unserviceable
) Z) `) ^$ F% Q$ a8 eU/V ADF UHF/VHF Automatic Direction Finding 8 Y M, L5 ^+ M) B# {5 j
UAT Universal Access Transceiver
" n+ \; ^' U/ n2 F/ CUAV Unmanned (or Uninhabited) Aeronautical (or Aerial) Vehicle + ^) |8 \0 `8 h
UFN Until Further Notice
. A# M- j3 Y4 s9 r. ?3 y; CUFO Unidentified Flying Object 2 I. u$ C- J' f
UHF Ultra High Frequencies (300 MHz-30 GHz) 5 |" Q4 Z" E2 T, e' ]% u6 g
UHF/VHF AUTOMATIC DIRECTIONFINDING (U/V ADF) An Automatic Direction Finder that determines relative bearing to a transmitter to which it is tuned, in either the UHF band or VHF band; , A9 D% S$ b% m9 ], i. Z
UL Ultra light, Ultra-l©ger motoris©
6 ^# b4 b1 f- S% K5 l" cULM Ultra light, Ultra-l©ger motoris©
) R V9 Y+ R- b+ G5 t5 jULTRALIGHT VEHICLE An aeronautical vehicle operated for sport or recreational purposes which does not require FAA registration, an airworthiness certificate, nor pilot c...
5 G" u4 R( ^) a& ?" U: I. Y1 F7 tUMAS Unmanaged Air Space (Euro control Definition)
2 Y. Q N9 `! u9 Q! }( JUNDER CAMBER This means that the lower surface of the wing has a hollow curve when observed from front to back. A thin wing with a high camber will be under camber... , v2 d8 \& q+ c3 P+ |
UNDERCARRIAGE STRUT A part of an airplane`s structure, designed to resist distortion, which supports the landing gear.
. y2 Y6 }6 }- u8 ^2 AUNIT FUNCTIONS A collection of functions used as standard test cases in control systems engineering; The primary unit functions of interest in avionics are the unit ... . _' i+ B1 q( Q5 w5 ~
UNIT IMPULSE A function used as a standard test case in control systems engineering; a spike of "area" one at time t = 0; Synonyms: impulse; See Also: unit functio... & T4 v3 d4 K* k; C& u. Z) t
UNIT LESS No units, such as ratios; a quantity with standard units of 1; a quantity with primary units of 1; Synonyms: dimensionless; + n% k4 z+ g) R/ b+ y6 j
UNIT RAMP A function used as a standard test case in control systems engineering; a line of slope 1 starting at zero at time t = 0; Synonyms: ramp; See Also: un...
. z5 n( F2 N" v4 i6 A$ q; Y# c* z$ uUNIT STEP A function used as a standard test case in control systems engineering; a step from zero to one at time t = 0; Synonyms: step; See Also: unit function... 5 @; Y" i7 U; z8 H9 l) |% P* c
UNITED STATES in a geographical sense, means (1) the States, the District of Columbia, Puerto Rico, and the possessions, including the territorial waters, and (2) t... & t8 ^! w! I: u' w( u+ D
UNITED STATES AIR CARRIER a citizen of the United States who undertakes directly by lease, or other arrangement, to engage in air transportation.
) |, b$ k" J" yUNITS A standard quantity, such as ft or mi; Synonyms: dimension;
) m7 l2 R2 c* R' h* v3 a+ I( vUNIVERSAL TRANSVERSE MERCATOR(UTM) A system of fixed earth coordinates, sometimes used instead of latitude and longitude, accurate relative to others close by, such as ground troops; ' W4 n: b- `" L# j
UPDATE A process by which position is reset with a known better position; updates occur at the data source level or at the physical device level, depending u...
+ ~ M! Q, M9 l0 r9 e2 ?1 ^5 V mUPKEEP Codename for Barnes Wallis` bouncing bomb used in the Dambusters` raid ( m, `' S) L4 q: G( e E' M
URB User Relations Bureau (CFMU)
7 J5 e! ^: }+ jUSABLE FUEL (LBS) Usable fuel (gallons) x 6.7 lbs/gallon , T! V: b+ y |
USAF US Air Force : Q6 L7 u8 d r4 Q+ J! [; x
USEFUL LOAD Maximum Ramp Weight - (minus) Basic Operating Weight
; v# \( y8 `( e m) HUSG (AL) US-Gallon (3.78 Liter) ! i' J3 z$ y& ]; z
UTC Universal Coordinated Time.
7 q) B" c9 [8 f$ BUTM Universal Transverse Mercator + e, t# j0 g. I; p( O
V Universal Time Coordinated |
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