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frequency at which the outp... 9 _" X) ?4 C1 h8 ?% _- N
CVFR Controlled VFR (still existing in some countries)
% I2 E% v( N, v* LCVR Cockpit Voice Recorder
3 R, N0 j0 X8 X. c S- W8 KCYCLES Pertaining to turbine engines. Cycle begins with starting, continues through full-power, and ends with shutdown.
0 z* ^/ \- Q, a$ ~# X2 dCYCLIC See: longitudinal cyclic, lateral cyclic; 4 ~/ h0 H$ }4 N9 \$ w
D Airspace ICAO Class D
4 R, k4 I* v4 x+ e+ r+ h5 uD.R. DEAD RECKONING; system of navigation. VIS Very High Frequency (30-300 MHz)
* y! }5 r( G& P* i# r s3 J) oVISUAL 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...
! P" R+ f# [0 D3 MVISUAL METEOROLOGICAL CONDITIONS(VMC) Meteorological conditions expressed in terms of visibility, distance from clouds, and ceiling equal to or better than specified minima.
7 u" g( A; |# i$ q/ ~8 W7 ?VJAR-FCL Verordnung JAR-FCL (JAR-FCL transformed to Swiss Law) $ E8 o. V% c8 v! E
VLA Very Light Aircraft (Aircraft certification category)
7 I& r: @5 f7 J8 w' q, y) f% DVLE Max. Landing Gear Extended Speed . A2 P. t! _9 p0 B+ P6 U! Y& ^6 |
VLF Very Low Frequency radio equipment 0 j: ] f6 Q0 q% m
VLO Max. Landing Gear Operation Speed T1 {% K; c' W% t' R4 n2 c
VLOF lift-off speed. ) B4 H6 a% {" Y8 i- ]
VMC Visual Meteo Conditions ("good" weather for VFR or IFR) 9 K0 v2 o1 k: y( W
VMO maximum operating limit speed. # k. A, Q6 q# n8 q
VMU minimum unstick speed. 7 D. g D. M6 Y" \; N
VNAV Vertical navigation, or the capability to compute pitch-axis maneuvers and altitude-related points in space.
) L# J- m+ k# s" P2 {VNE Never Exceed Speed
+ ^; s" r. o1 G0 hVNO Max. Structural Cruising Speed
5 X* u- _1 n$ B4 m/ C$ s" OVOR A ground-based electronic navigation aid transmitting very high frequency navigation signals, 360 degrees in azimuth, oriented from magnetic north. Us...
2 H* k" B% e2 ~5 GVOR/DME Vertical Navigation (GLS)
7 H+ M1 i( |+ T1 H: i+ HVORTAC VHF Omni range; 6 O2 V" u& H" L# W: F# X
VR Rotation Speed # A) h6 J, a6 W8 O; m
VS the stalling speed or the minimum steady flight speed at which the airplane is controllable.
$ L: G* C# A& Q8 a$ N; _: C! }VS0 Stalling Speed Landing Config
3 B# P2 f }0 P! I! |) ZVS1 Stalling Speed in a specified Config. % K: e; k( T3 ] j! S4 E
VSSE Minimum Safe Single Engine Speed
: s, _: n5 I! R* pVTOSS takeoff safety speed for Category A rotorcraft.
0 J0 Y& Q2 N* ~VX Best Angle of Climb Speed 3 [( |5 e6 F: D c8 q5 H2 U
VXSE Best Angle of Climb Speed, 1 engine inoperative 6 L0 l- n, h2 u0 e+ N" @, A) J
VY Best Rate of Climb Speed 5 L6 H. Z' x- H$ Y, b, u; y: Q
VYSE Best Rate of Climb Speed, 1 engine inoperative
4 m) w4 k- I; B( l n: `WA (IAOPA) World Assembly
! f3 a7 f- M9 n7 b2 iWAAS GNSS wide-area augmentation system. 3 ^$ p0 X* v I V x; N
WANGANUI Colored flares dropped on H2S to sky mark a target ! [& T! s3 y+ n8 G9 Y
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 ... * E1 O5 U! }! Y% u. _
WARNING, CAUTION, ADVISORY (WCA) See: warning, caution, advisory, annunciator, alert; ; X: ]1 O; E' H* F' u
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;
5 h+ h0 P" G. i' z% G/ ]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... % b) p* I0 F) W3 f, R
WASSERMANN German long range radar with a range of up to 190 Km. * S4 t" g$ m7 o3 q @$ _9 e; o
WAYPOINT A predetermined geographical position used for route/instrument approach definition, or progress reporting purposes, that is defined relative to a VOR...
- m% E( q3 d! b1 JWAYPOINT (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...
- o+ a8 }/ ~# ^- d/ @WAYPOINT APPROACH To approach a waypoint 7 n& c, z! q, V0 z) A
WCA Warning, Caution, Advisory |
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