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frequency at which the outp... ! O+ ]& H- ^; y) f: E
CVFR Controlled VFR (still existing in some countries) 5 Q* m9 X9 q* ?: ~. l, L
CVR Cockpit Voice Recorder
2 |1 I# S: z y7 s8 @5 ~9 W: g* zCYCLES Pertaining to turbine engines. Cycle begins with starting, continues through full-power, and ends with shutdown. 8 e, Y- Q2 N2 g! l( N* ^& T
CYCLIC See: longitudinal cyclic, lateral cyclic; 6 w" ~% D8 j0 \1 j
D Airspace ICAO Class D
1 h# A* |" c) O7 PD.R. DEAD RECKONING; system of navigation. VIS Very High Frequency (30-300 MHz)
0 l4 z1 U( m4 q+ f0 d* Q( y D5 @VISUAL 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...
. h2 i+ d2 ^9 m6 I" e6 T* aVISUAL METEOROLOGICAL CONDITIONS(VMC) Meteorological conditions expressed in terms of visibility, distance from clouds, and ceiling equal to or better than specified minima.
9 g6 n; o. u4 o iVJAR-FCL Verordnung JAR-FCL (JAR-FCL transformed to Swiss Law)
. t Q) ?% b' o, q$ Y! T+ r HVLA Very Light Aircraft (Aircraft certification category) % z; R2 B- F# v% A
VLE Max. Landing Gear Extended Speed : f% m9 l1 y( `/ L' Q
VLF Very Low Frequency radio equipment ( Z% X% y' |. l3 h2 a! h; y
VLO Max. Landing Gear Operation Speed 8 f! z2 B5 R9 V9 X( f- ?% @
VLOF lift-off speed. ) e$ H. A* M, D, Q' q
VMC Visual Meteo Conditions ("good" weather for VFR or IFR) ' w% C9 K& y2 D$ J) r7 U
VMO maximum operating limit speed. . ~$ D& h2 m7 m5 ?* ^4 O- \3 T
VMU minimum unstick speed. 6 H3 I1 d1 ]9 ?' D! ?% P( h
VNAV Vertical navigation, or the capability to compute pitch-axis maneuvers and altitude-related points in space.
+ ^6 I2 w. P s7 T( nVNE Never Exceed Speed ) \! y! V ^' W$ t
VNO Max. Structural Cruising Speed
2 E0 h" u. M- \8 O% mVOR A ground-based electronic navigation aid transmitting very high frequency navigation signals, 360 degrees in azimuth, oriented from magnetic north. Us... 1 r: _" [+ Q/ O& {2 y N
VOR/DME Vertical Navigation (GLS) 4 N$ K3 t8 _" M% z; z9 @, h5 f
VORTAC VHF Omni range;
N) y, L& W6 ?9 Y, n" qVR Rotation Speed 3 U9 r4 ?; X; e0 ~$ \' G- ]
VS the stalling speed or the minimum steady flight speed at which the airplane is controllable. 4 O- \7 L7 ]- C, V2 H
VS0 Stalling Speed Landing Config
v0 D& I. s5 B' ^VS1 Stalling Speed in a specified Config.
1 S& y4 \& @' kVSSE Minimum Safe Single Engine Speed + \0 H% a0 O( v
VTOSS takeoff safety speed for Category A rotorcraft. 4 M0 A- ?% b5 R, M
VX Best Angle of Climb Speed 1 Q; ]/ f! x, d# V2 i7 x: G7 [& W
VXSE Best Angle of Climb Speed, 1 engine inoperative
5 h- f0 \3 V+ A3 vVY Best Rate of Climb Speed 8 y8 F9 v# H' n2 b
VYSE Best Rate of Climb Speed, 1 engine inoperative
1 D2 {9 p% z" r0 WWA (IAOPA) World Assembly 4 r/ }* G D' A# {( d5 \
WAAS GNSS wide-area augmentation system.
* N! r: J' h- N1 |0 n, @WANGANUI Colored flares dropped on H2S to sky mark a target 9 J& h6 x- T* C' N$ |/ P
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 ... * ?3 `8 \' `7 `/ j
WARNING, CAUTION, ADVISORY (WCA) See: warning, caution, advisory, annunciator, alert;
+ B' @) I$ c6 n' U& ?; eWASH-OUT FILTER A filter to smooth a transition due to change of input source, such as when changing modes; See Also: transient-free switch; , h$ t% l) _3 P/ P, w# K9 f3 o
WASHOUT 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...
) Z* A+ f1 Q; N/ x7 vWASSERMANN German long range radar with a range of up to 190 Km. + V1 ~, Y0 x6 T. p# M
WAYPOINT A predetermined geographical position used for route/instrument approach definition, or progress reporting purposes, that is defined relative to a VOR... ( ], C4 T6 }+ l! q9 X* N# u- o
WAYPOINT (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... 7 p- E0 F5 }/ C2 r/ q- [, W
WAYPOINT APPROACH To approach a waypoint . P3 e9 _+ x6 v" o% J
WCA Warning, Caution, Advisory |
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