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frequency at which the outp... ' d( Y0 D9 Z) d* L( p- t
CVFR Controlled VFR (still existing in some countries) * A/ @, L, e: n9 ^: x9 G9 _6 S) y
CVR Cockpit Voice Recorder . y0 ^7 P5 t! W- a) z( x/ C
CYCLES Pertaining to turbine engines. Cycle begins with starting, continues through full-power, and ends with shutdown.
, H+ @) L9 _" [! B' r0 \' L2 TCYCLIC See: longitudinal cyclic, lateral cyclic; 7 c' M U. j" X; T u
D Airspace ICAO Class D
- S7 r/ ?( V$ o% j3 u0 n8 S" XD.R. DEAD RECKONING; system of navigation. VIS Very High Frequency (30-300 MHz) / h5 d$ @; b0 B" @2 Z; U3 C' f f
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... / F+ W& K6 a; ]' J% e( x& X; {' o
VISUAL METEOROLOGICAL CONDITIONS(VMC) Meteorological conditions expressed in terms of visibility, distance from clouds, and ceiling equal to or better than specified minima.
8 _2 r) N C" i# V) eVJAR-FCL Verordnung JAR-FCL (JAR-FCL transformed to Swiss Law)
2 M- Q0 S! N- u8 S6 {. o, z: cVLA Very Light Aircraft (Aircraft certification category) 2 C0 F$ e: Y p
VLE Max. Landing Gear Extended Speed & y, a# S9 v; x- Z) [0 E
VLF Very Low Frequency radio equipment
# J4 V# R0 \' F" X+ @' kVLO Max. Landing Gear Operation Speed : n e4 [8 x( M3 Y9 W( ^4 {
VLOF lift-off speed.
- b- C; @* c- Y( E- |" Q+ m! e7 sVMC Visual Meteo Conditions ("good" weather for VFR or IFR) & f2 n6 r' z7 U# f4 R! e
VMO maximum operating limit speed. 0 e; X5 I# B* [; H& R$ w0 p5 V! `
VMU minimum unstick speed.
4 h' B0 N3 `+ g9 ~1 ?; pVNAV Vertical navigation, or the capability to compute pitch-axis maneuvers and altitude-related points in space.
. U! V0 s2 r5 m y4 e+ ~/ ?VNE Never Exceed Speed $ m8 @- K9 ~; d5 z2 D
VNO Max. Structural Cruising Speed , G! A' b& J: u. x, Z
VOR A ground-based electronic navigation aid transmitting very high frequency navigation signals, 360 degrees in azimuth, oriented from magnetic north. Us...
! v. t( Z- B9 Y4 Y2 C4 xVOR/DME Vertical Navigation (GLS) 0 v/ y6 r9 z; O: ^8 b. `0 l
VORTAC VHF Omni range;
- m& R0 Z. j4 o% G# h) a# MVR Rotation Speed
& R: i3 P" a# u+ j9 {VS the stalling speed or the minimum steady flight speed at which the airplane is controllable. . L. I1 z1 Y, Q+ C
VS0 Stalling Speed Landing Config / `& P5 e' x8 {5 D
VS1 Stalling Speed in a specified Config. & x ?" I$ e2 S2 h" r
VSSE Minimum Safe Single Engine Speed " O. A1 [1 q% J Y" Y1 o! p
VTOSS takeoff safety speed for Category A rotorcraft.
' ]( [; ]# j+ X5 [7 ^. ZVX Best Angle of Climb Speed
% S# t% P7 e( I: o( |VXSE Best Angle of Climb Speed, 1 engine inoperative # ?7 a3 V Y" m, x8 h3 Z6 H
VY Best Rate of Climb Speed
0 B" n/ l! v/ c7 [/ \9 N4 zVYSE Best Rate of Climb Speed, 1 engine inoperative + W6 q' R* H F: R
WA (IAOPA) World Assembly " o9 ?3 @$ M! I$ f+ L* P: A; W5 |
WAAS GNSS wide-area augmentation system.
2 r' G# G4 J: g) H9 eWANGANUI Colored flares dropped on H2S to sky mark a target
9 D! f+ Y" n2 W* w' T- r, rWARNING A signal which alerts the operator to a dangerous condition requiring immediate action (from MIL-STD-1472D); an annunciator that is the most critical ... / w2 k* y x! w; M& h2 k
WARNING, CAUTION, ADVISORY (WCA) See: warning, caution, advisory, annunciator, alert; & C/ k2 M, J. l2 I3 y& F8 D! S
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;
: c( |" ^2 W$ t U& xWASHOUT 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... 3 v9 Q) j4 s4 T' t( ~2 H$ m
WASSERMANN German long range radar with a range of up to 190 Km. ! U5 s0 S2 {9 h0 b3 T9 d+ s9 L
WAYPOINT A predetermined geographical position used for route/instrument approach definition, or progress reporting purposes, that is defined relative to a VOR...
. `& J2 u0 a6 i& E wWAYPOINT (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... Q7 U! r# H- V2 q. c
WAYPOINT APPROACH To approach a waypoint + s, W, y4 Y! E. y, n5 `7 h1 l
WCA Warning, Caution, Advisory |
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