- 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.
" G" u- L7 {) G2 _" O, _- x" J/ XTWR Tower (Control Tower) / i1 g' j8 U, M* o) Y6 i: B
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...
- q3 a6 z5 Z J |* z5 }# c; j8 sU Airspace Euro control project Class U (unknown traffic)
3 w0 R0 r1 v) mU/S unserviceable
6 I# F5 t/ `( L7 ~- s# m9 lU/V ADF UHF/VHF Automatic Direction Finding
5 p( w9 q% Z' k8 ^* L+ ]UAT Universal Access Transceiver
$ c; P. U% m- @6 R ]3 U. bUAV Unmanned (or Uninhabited) Aeronautical (or Aerial) Vehicle
( }2 U1 P, V, K" O$ {0 xUFN Until Further Notice # z7 R' H5 n* {# [+ H; ^2 H" E
UFO Unidentified Flying Object
2 @, e% o, J0 I* KUHF Ultra High Frequencies (300 MHz-30 GHz)
% s% J) P" J0 j8 Y/ q- OUHF/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;
, B/ A) u! g; H: N* M: vUL Ultra light, Ultra-l©ger motoris© $ R" _9 G" X1 c q! r
ULM Ultra light, Ultra-l©ger motoris© 7 [8 F; X& l. o
ULTRALIGHT VEHICLE An aeronautical vehicle operated for sport or recreational purposes which does not require FAA registration, an airworthiness certificate, nor pilot c... : U: `% Q& S% o9 f0 ^* `/ ~" z
UMAS Unmanaged Air Space (Euro control Definition)
' W2 c1 Q2 O W$ q, hUNDER 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...
8 y7 ^( ?/ m& R8 A; N; vUNDERCARRIAGE STRUT A part of an airplane`s structure, designed to resist distortion, which supports the landing gear.
7 g: K/ f) _/ |) LUNIT 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 ... ' k w4 b" j/ ^
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... ) K1 n* h. W3 A/ W. Z y
UNIT LESS No units, such as ratios; a quantity with standard units of 1; a quantity with primary units of 1; Synonyms: dimensionless; 6 u* A- Z. P0 q
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... 0 i) F/ f2 H! T2 k
UNIT 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... + N; N2 v7 |) {6 c$ k
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...
6 y% V9 @0 j# w" E7 ~$ lUNITED STATES AIR CARRIER a citizen of the United States who undertakes directly by lease, or other arrangement, to engage in air transportation.
5 k, F9 c7 b8 }- S6 ]UNITS A standard quantity, such as ft or mi; Synonyms: dimension; ( i0 |/ r* T/ Z
UNIVERSAL 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; " M+ L8 @0 Y6 v, V: }
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...
/ T1 U8 L4 p+ v5 oUPKEEP Codename for Barnes Wallis` bouncing bomb used in the Dambusters` raid
: X0 @0 M# A: C% R xURB User Relations Bureau (CFMU) 4 s, T K& c& L: i S- [
USABLE FUEL (LBS) Usable fuel (gallons) x 6.7 lbs/gallon 6 b$ h8 s3 F/ M7 N
USAF US Air Force
! e1 C2 C: ] {, e( s% F7 q! BUSEFUL LOAD Maximum Ramp Weight - (minus) Basic Operating Weight
. k4 ~8 x9 E ^6 E) VUSG (AL) US-Gallon (3.78 Liter)
' M; t& V) ^: v: K: n% DUTC Universal Coordinated Time.
& y/ a$ Q! u( h+ M# ZUTM Universal Transverse Mercator 6 [9 C' J* Q* m( U1 `8 O4 i
V Universal Time Coordinated |
|