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frequency at which the outp... ) R; d: s5 ^. t
CVFR Controlled VFR (still existing in some countries)
* a9 Q9 e1 @7 H9 o" c+ DCVR Cockpit Voice Recorder - A3 k3 w5 W% ? b8 T
CYCLES Pertaining to turbine engines. Cycle begins with starting, continues through full-power, and ends with shutdown.
1 ?( K# w7 I* y# {- NCYCLIC See: longitudinal cyclic, lateral cyclic;
5 q$ p8 w/ y0 A0 ZD Airspace ICAO Class D
0 u m2 B: E; y, BD.R. DEAD RECKONING; system of navigation. VIS Very High Frequency (30-300 MHz)
* }" a, G& \! Y/ E4 xVISUAL FLIGHT RULE (VFR) Rules that govern the procedures for conducting flight under visual conditions (VMC). The term is also used in the United States to indicate weather c... 4 f# s6 Y% K( g) s/ k) W) e
VISUAL METEOROLOGICAL CONDITIONS(VMC) Meteorological conditions expressed in terms of visibility, distance from clouds, and ceiling equal to or better than specified minima.
) O' |: E' ?- T1 B( t1 c0 V4 yVJAR-FCL Verordnung JAR-FCL (JAR-FCL transformed to Swiss Law) , w5 @; L8 ^" p5 D1 b
VLA Very Light Aircraft (Aircraft certification category)
9 ~* Q7 d: j1 F4 ~VLE Max. Landing Gear Extended Speed
; i/ Q! f- f* a; q" XVLF Very Low Frequency radio equipment ( o# X7 n% I# s! s% |9 F
VLO Max. Landing Gear Operation Speed 3 Z/ a' W: Z7 x# n6 ^7 Z9 ~, t
VLOF lift-off speed.
+ A) k" a- X' x! Q) |4 dVMC Visual Meteo Conditions ("good" weather for VFR or IFR) 8 t. s! V/ r/ {% V' Y" j
VMO maximum operating limit speed. ' N" y" r% ?8 q* X
VMU minimum unstick speed.
9 f1 N, k: Y1 `+ z% C% n8 W1 b) MVNAV Vertical navigation, or the capability to compute pitch-axis maneuvers and altitude-related points in space. 7 E0 w: E1 {- Q1 H
VNE Never Exceed Speed
6 v D, ~$ x$ L3 u" s0 F- WVNO Max. Structural Cruising Speed
+ I5 \& s8 ]" ^ ?* p- FVOR A ground-based electronic navigation aid transmitting very high frequency navigation signals, 360 degrees in azimuth, oriented from magnetic north. Us...
2 i J5 h7 `5 c& y4 C& ^5 bVOR/DME Vertical Navigation (GLS)
8 o4 ^! |) o) `6 s9 W8 C6 f' I. A, fVORTAC VHF Omni range;
( E' f) ]( I8 J: m( b, hVR Rotation Speed
) o6 s0 N4 g# _+ ?0 V9 R0 c6 v3 FVS the stalling speed or the minimum steady flight speed at which the airplane is controllable. 8 c% p; l; y& }6 M3 [% G
VS0 Stalling Speed Landing Config
6 W) l' c4 [; n$ ^* s) B3 OVS1 Stalling Speed in a specified Config.
4 x' ~& ]) c y# V/ e1 G. V0 dVSSE Minimum Safe Single Engine Speed # B1 \0 f& r6 r/ K1 c5 _9 k
VTOSS takeoff safety speed for Category A rotorcraft. 6 O& U6 v- Z, ~% l4 W0 `
VX Best Angle of Climb Speed 7 m! E; d) Y+ l% @9 W- i( A
VXSE Best Angle of Climb Speed, 1 engine inoperative " `1 t+ x0 o1 C# F2 S, d
VY Best Rate of Climb Speed
6 r( V( m, f6 z/ Y) {VYSE Best Rate of Climb Speed, 1 engine inoperative
N: z( h( o4 e+ }% _WA (IAOPA) World Assembly
3 J; m0 `5 m9 z6 r" Q1 U# n5 vWAAS GNSS wide-area augmentation system. + [' |& \- p- s
WANGANUI Colored flares dropped on H2S to sky mark a target 0 B7 y% S* B. t5 j
WARNING A signal which alerts the operator to a dangerous condition requiring immediate action (from MIL-STD-1472D); an annunciator that is the most critical ... 1 _' X, ?3 A$ h6 C* m% }
WARNING, CAUTION, ADVISORY (WCA) See: warning, caution, advisory, annunciator, alert;
& k |0 V! A7 q% u0 X; ]% |WASH-OUT FILTER A filter to smooth a transition due to change of input source, such as when changing modes; See Also: transient-free switch;
& v/ I; q2 }* p2 |% P) Q! W/ W9 CWASHOUT The twist in an airfoil which causes less angle of attack at the tips than the root. For airplanes, this increases stability of the aircraft at slow s...
% j: y) F1 b& wWASSERMANN German long range radar with a range of up to 190 Km.
2 Q5 P# X/ T9 v4 s# qWAYPOINT A predetermined geographical position used for route/instrument approach definition, or progress reporting purposes, that is defined relative to a VOR...
3 Z& q: M( O% d/ M" H* u1 `# V! F6 zWAYPOINT (WYPT) A point on the ground, predefined as a point of interest for the flight; a basic guidance mode, providing lateral guidance to a waypoint, either by co... $ H) j6 e p$ r1 r/ G
WAYPOINT APPROACH To approach a waypoint 9 `0 R# Q& Q/ t0 Q7 l5 f
WCA Warning, Caution, Advisory |
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