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frequency at which the outp... 9 [) o' x& a1 X# d5 }7 [9 k
CVFR Controlled VFR (still existing in some countries) ; j% R1 D2 M) S, \2 r
CVR Cockpit Voice Recorder 5 w* b' D' D0 X: ^5 }. Z
CYCLES Pertaining to turbine engines. Cycle begins with starting, continues through full-power, and ends with shutdown.
4 v, T4 e2 ~! O3 t6 i" d7 U9 HCYCLIC See: longitudinal cyclic, lateral cyclic; w3 D/ f, p2 K$ \! R
D Airspace ICAO Class D
1 o+ v( Z6 @$ Z, m) m6 l7 R6 MD.R. DEAD RECKONING; system of navigation. VIS Very High Frequency (30-300 MHz)
: k. ?( a: C& Y. y" Z6 i8 D- S5 z6 tVISUAL 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... ! K0 l, @! ?1 F4 U, B, q9 z( o
VISUAL METEOROLOGICAL CONDITIONS(VMC) Meteorological conditions expressed in terms of visibility, distance from clouds, and ceiling equal to or better than specified minima. 1 e) i3 N& f- C
VJAR-FCL Verordnung JAR-FCL (JAR-FCL transformed to Swiss Law)
8 O9 {& f- E/ D( ]( U1 X5 @VLA Very Light Aircraft (Aircraft certification category) 9 F% j. f; T! Q5 R+ e
VLE Max. Landing Gear Extended Speed + `* j4 I$ P& ^5 r0 d6 c3 R
VLF Very Low Frequency radio equipment 3 I6 o# M8 A0 b
VLO Max. Landing Gear Operation Speed 6 b. k7 M# t9 s7 ]
VLOF lift-off speed. . D2 t, t" ]* G J" b
VMC Visual Meteo Conditions ("good" weather for VFR or IFR)
; M2 K1 f; m7 ?) S* s, DVMO maximum operating limit speed. & N, A F" s8 A( F, f* w: z7 u. g2 v
VMU minimum unstick speed.
9 p( c3 \' j; O) jVNAV Vertical navigation, or the capability to compute pitch-axis maneuvers and altitude-related points in space.
4 d# P5 \ \. {: HVNE Never Exceed Speed + E* P* J) ~% B* l! S/ y8 \
VNO Max. Structural Cruising Speed ) v; Q/ [+ B( {* ~2 ]
VOR A ground-based electronic navigation aid transmitting very high frequency navigation signals, 360 degrees in azimuth, oriented from magnetic north. Us...
. A- V- y0 B1 U' H, M" J9 ?' R& f* f& TVOR/DME Vertical Navigation (GLS)
8 K( @ K+ a# F3 uVORTAC VHF Omni range;
+ V6 G* @) j* k$ k hVR Rotation Speed
2 P, q( C( X5 GVS the stalling speed or the minimum steady flight speed at which the airplane is controllable. ) v2 z8 W7 l8 N5 z# H S
VS0 Stalling Speed Landing Config
0 s- s5 f4 O! m; i9 `; XVS1 Stalling Speed in a specified Config.
}& {& |3 N3 H }) B5 aVSSE Minimum Safe Single Engine Speed - G( d$ f' b( }+ Y- o0 D2 K
VTOSS takeoff safety speed for Category A rotorcraft. . P8 O6 j Y" `2 ]7 d! K$ s! w
VX Best Angle of Climb Speed
) u- s/ p( X0 g( ~( \VXSE Best Angle of Climb Speed, 1 engine inoperative 7 s( L$ f$ }$ _8 x2 i+ h
VY Best Rate of Climb Speed ( G u% u/ [, K( g
VYSE Best Rate of Climb Speed, 1 engine inoperative
9 K8 y# H3 B8 x; hWA (IAOPA) World Assembly 4 D' K" h b$ `" }8 e
WAAS GNSS wide-area augmentation system.
6 N6 w- M8 V0 W. s' G. JWANGANUI Colored flares dropped on H2S to sky mark a target
+ |8 J1 ~2 e) {; q" cWARNING A signal which alerts the operator to a dangerous condition requiring immediate action (from MIL-STD-1472D); an annunciator that is the most critical ...
8 f* v' k% \2 k; i! C. \7 QWARNING, CAUTION, ADVISORY (WCA) See: warning, caution, advisory, annunciator, alert;
2 o3 z: B* u4 U6 M \( ?) L% wWASH-OUT FILTER A filter to smooth a transition due to change of input source, such as when changing modes; See Also: transient-free switch;
& M! n8 m# J. u: Q2 N$ n& @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... 0 |3 |) T+ s% [5 Y7 k7 g
WASSERMANN German long range radar with a range of up to 190 Km.
- m5 s5 c6 n: D; x$ f$ CWAYPOINT A predetermined geographical position used for route/instrument approach definition, or progress reporting purposes, that is defined relative to a VOR...
& m* K$ z5 ^& xWAYPOINT (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...
$ E, A0 i4 H: g9 k% DWAYPOINT APPROACH To approach a waypoint % g6 Y. @: E& {( K! z0 y1 |* |
WCA Warning, Caution, Advisory |
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