- 注册时间
- 2008-9-13
- 最后登录
- 1970-1-1
- 在线时间
- 0 小时
- 阅读权限
- 200
- 积分
- 0
- 帖子
- 24482
- 精华
- 4
- UID
- 9
  
|
|
TVOR very high frequency terminal omni range station. ; ? \2 I0 x3 V; z/ T% ^
TWR Tower (Control Tower) ! E8 b7 {, H5 U
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... U' b! Y/ V7 A
U Airspace Euro control project Class U (unknown traffic)
# j& K+ u6 L6 rU/S unserviceable
- u8 R0 O0 i, k* @6 EU/V ADF UHF/VHF Automatic Direction Finding ; k4 [& C5 l" w/ p+ |9 L& K' K
UAT Universal Access Transceiver 7 M( x. q5 k1 V$ E
UAV Unmanned (or Uninhabited) Aeronautical (or Aerial) Vehicle
b: C$ S! L7 a0 y; p, @4 aUFN Until Further Notice
% [7 @$ r- h/ b# X) E# gUFO Unidentified Flying Object
5 L& a) W! o5 q q; I7 E! sUHF Ultra High Frequencies (300 MHz-30 GHz)
a+ f4 r1 F. a2 ?6 K) HUHF/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;
% }( B6 O* R, i, ]& p% WUL Ultra light, Ultra-l©ger motoris© 1 C. ]2 c- b0 `7 @, D: E1 g4 C
ULM Ultra light, Ultra-l©ger motoris©
' T' m; k+ r! D# gULTRALIGHT VEHICLE An aeronautical vehicle operated for sport or recreational purposes which does not require FAA registration, an airworthiness certificate, nor pilot c... 5 p. w6 K- L3 B4 Z( ~) H
UMAS Unmanaged Air Space (Euro control Definition)
$ ^6 l. @% B; ?UNDER 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...
4 `( M( ^+ y. f0 L5 `UNDERCARRIAGE STRUT A part of an airplane`s structure, designed to resist distortion, which supports the landing gear.
, \ C: o# g% VUNIT 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 ... 7 `: k) M6 g9 g+ R5 a5 G3 g7 U
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...
: F: i+ z, D7 X2 zUNIT LESS No units, such as ratios; a quantity with standard units of 1; a quantity with primary units of 1; Synonyms: dimensionless; 0 l2 `9 x- W5 V
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...
# G3 d- `. {% w2 fUNIT 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...
3 W. j$ P( }2 _# o7 g6 SUNITED 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... 0 d# z6 j* y: h( [" z0 c
UNITED STATES AIR CARRIER a citizen of the United States who undertakes directly by lease, or other arrangement, to engage in air transportation. 1 y! h, M% p) N+ X5 _
UNITS A standard quantity, such as ft or mi; Synonyms: dimension;
. ^) y1 b# i$ L: u- OUNIVERSAL 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;
7 P1 v& ]( O6 |; u V5 l/ e1 ^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... : h8 D% o; ?) P V/ A5 H
UPKEEP Codename for Barnes Wallis` bouncing bomb used in the Dambusters` raid * \+ X$ D" Z* _$ K" Z
URB User Relations Bureau (CFMU)
2 H* ~- j" W; k; nUSABLE FUEL (LBS) Usable fuel (gallons) x 6.7 lbs/gallon
& b/ j+ h" x# nUSAF US Air Force % J* o9 y' K& g/ Z' H( y7 B$ V
USEFUL LOAD Maximum Ramp Weight - (minus) Basic Operating Weight , K: y& h% q/ a2 n
USG (AL) US-Gallon (3.78 Liter) - S- h# T. u2 I7 X5 s( q) @
UTC Universal Coordinated Time. 7 X8 p- d: q ?8 @1 Z$ ^
UTM Universal Transverse Mercator 1 E) {, B; j- q( @" q
V Universal Time Coordinated |
|