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frequency at which the outp...
, y/ J. Q5 a9 o* VCVFR Controlled VFR (still existing in some countries)
4 r; M' G' {) P% \( l: VCVR Cockpit Voice Recorder # D9 A1 l) h+ c$ b( M
CYCLES Pertaining to turbine engines. Cycle begins with starting, continues through full-power, and ends with shutdown. / S$ ]" ]4 i( u2 P, b+ t
CYCLIC See: longitudinal cyclic, lateral cyclic;
& h1 K3 k O% I' Q% cD Airspace ICAO Class D
' f/ A' }$ ]; A3 L' kD.R. DEAD RECKONING; system of navigation. VIS Very High Frequency (30-300 MHz)
8 `" S6 ?1 ]' X* R. K+ ~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...
7 `9 S: b& i1 j) C7 jVISUAL METEOROLOGICAL CONDITIONS(VMC) Meteorological conditions expressed in terms of visibility, distance from clouds, and ceiling equal to or better than specified minima. 6 z# ?, }; u$ R5 }% M2 e9 k9 \
VJAR-FCL Verordnung JAR-FCL (JAR-FCL transformed to Swiss Law) 5 f# {" u6 P1 j8 w, ?5 N
VLA Very Light Aircraft (Aircraft certification category) % R$ l) d2 ?) f
VLE Max. Landing Gear Extended Speed
/ M6 c: D( L* ^2 qVLF Very Low Frequency radio equipment
; W# s ?$ a, W, S s% rVLO Max. Landing Gear Operation Speed + l2 h. F3 Q: m3 m) e
VLOF lift-off speed. ' x7 H, n+ z* ?/ H4 Z
VMC Visual Meteo Conditions ("good" weather for VFR or IFR) " v! [5 P- ]2 S) y' Y) j1 P6 h1 ^
VMO maximum operating limit speed.
5 r: u" _" M1 D' o q0 T6 o8 sVMU minimum unstick speed.
+ r5 ?" X: h2 L) vVNAV Vertical navigation, or the capability to compute pitch-axis maneuvers and altitude-related points in space. " `. j% S* K% T3 T4 H' {8 j4 R/ `
VNE Never Exceed Speed 7 y0 w3 ^ ]$ |+ B* ?% b
VNO Max. Structural Cruising Speed
?% \3 m5 Q) h3 i1 a6 M2 qVOR A ground-based electronic navigation aid transmitting very high frequency navigation signals, 360 degrees in azimuth, oriented from magnetic north. Us...
|; ~1 f4 b5 V$ ?1 uVOR/DME Vertical Navigation (GLS)
4 G; F/ I0 b" z; TVORTAC VHF Omni range; 8 r! m3 w4 ~4 d# S' ^* B& T
VR Rotation Speed : z3 J3 p7 B" \! }' L& y" t# P
VS the stalling speed or the minimum steady flight speed at which the airplane is controllable.
$ F9 n6 x& k; B0 X6 W. tVS0 Stalling Speed Landing Config
* a1 M u6 \# O* N- dVS1 Stalling Speed in a specified Config. : n3 ?' t4 u0 }2 y7 ], w
VSSE Minimum Safe Single Engine Speed
3 s& I2 V" D4 s8 JVTOSS takeoff safety speed for Category A rotorcraft.
7 N) n5 {6 X2 T# \3 vVX Best Angle of Climb Speed ( E3 R( Z) {" p$ g7 b3 t
VXSE Best Angle of Climb Speed, 1 engine inoperative 6 d$ b2 s! M5 T& M' R7 C& {/ {
VY Best Rate of Climb Speed 8 I1 R# ^' T0 t5 J! w
VYSE Best Rate of Climb Speed, 1 engine inoperative
8 h: j' M0 l" g; uWA (IAOPA) World Assembly * d7 ~" p' }6 W5 T" ]$ g
WAAS GNSS wide-area augmentation system.
. |: Z% K3 q2 L& RWANGANUI Colored flares dropped on H2S to sky mark a target
0 [" _/ }8 k: t5 PWARNING A signal which alerts the operator to a dangerous condition requiring immediate action (from MIL-STD-1472D); an annunciator that is the most critical ...
7 k E6 _6 w8 U! x* p5 fWARNING, CAUTION, ADVISORY (WCA) See: warning, caution, advisory, annunciator, alert; " J! @% [2 z' }* u5 J
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;
% K6 Y# p2 u5 s1 ^9 e# gWASHOUT 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...
( G1 t" A4 ]# X7 I4 ]WASSERMANN German long range radar with a range of up to 190 Km. % K4 w2 j; t5 U0 C) T) y" ]
WAYPOINT A predetermined geographical position used for route/instrument approach definition, or progress reporting purposes, that is defined relative to a VOR...
9 m, _$ ~5 I' oWAYPOINT (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...
8 X, \% D! H1 F. h C# p4 b2 G% yWAYPOINT APPROACH To approach a waypoint ( Z5 p# D) @2 |
WCA Warning, Caution, Advisory |
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