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frequency at which the outp...
9 {/ F1 K7 J$ _4 I- V5 }: |& V/ wCVFR Controlled VFR (still existing in some countries) 7 ]3 }- u( B: e7 ~ R, t
CVR Cockpit Voice Recorder ' Z8 V2 h" W" ?7 p( u
CYCLES Pertaining to turbine engines. Cycle begins with starting, continues through full-power, and ends with shutdown.
; t5 c5 Y" x* QCYCLIC See: longitudinal cyclic, lateral cyclic;
, s) }0 W+ y3 A9 Q5 w4 }) U( `D Airspace ICAO Class D 3 s6 @- y! H0 p
D.R. DEAD RECKONING; system of navigation. VIS Very High Frequency (30-300 MHz)
" ^* l) v* r% ` K# x! K. GVISUAL 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... 6 ^; e2 i' X0 F0 @1 |
VISUAL METEOROLOGICAL CONDITIONS(VMC) Meteorological conditions expressed in terms of visibility, distance from clouds, and ceiling equal to or better than specified minima. / z2 w, a/ \! D, n! W
VJAR-FCL Verordnung JAR-FCL (JAR-FCL transformed to Swiss Law) # e- g/ p/ D" m' Q
VLA Very Light Aircraft (Aircraft certification category)
5 b) G& p+ S( K! WVLE Max. Landing Gear Extended Speed 6 d( v5 a# C$ W2 N& K+ R
VLF Very Low Frequency radio equipment
`! \: G* n! R9 KVLO Max. Landing Gear Operation Speed " w( u' ]. L9 u, n
VLOF lift-off speed.
( ~) z& F$ |0 q9 oVMC Visual Meteo Conditions ("good" weather for VFR or IFR) / R5 d e% ^9 }
VMO maximum operating limit speed. % g( K7 M' e; x- S$ @+ n. c. _5 z
VMU minimum unstick speed. - }3 F3 r6 }" O9 F( y
VNAV Vertical navigation, or the capability to compute pitch-axis maneuvers and altitude-related points in space. / U$ ~' _6 k; x2 {; L
VNE Never Exceed Speed
% H* D+ N$ F' _ m. _# o% dVNO Max. Structural Cruising Speed 0 Z* O: J2 C/ M+ Z4 F
VOR A ground-based electronic navigation aid transmitting very high frequency navigation signals, 360 degrees in azimuth, oriented from magnetic north. Us... , R# r( m) B# h* _0 B: k
VOR/DME Vertical Navigation (GLS)
# `7 I7 p+ P4 ^, T2 QVORTAC VHF Omni range;
2 i; w7 R/ E/ f+ w% @VR Rotation Speed & [0 C# [' R# t+ F5 p3 a
VS the stalling speed or the minimum steady flight speed at which the airplane is controllable.
' O8 b0 w2 V; h7 d3 zVS0 Stalling Speed Landing Config - @: o: I7 ~5 T- z( Q1 I8 y% Z
VS1 Stalling Speed in a specified Config.
4 F* ]/ x/ k, }7 g% z# QVSSE Minimum Safe Single Engine Speed
" b4 l2 z9 i6 }8 IVTOSS takeoff safety speed for Category A rotorcraft. ' C% n( ~8 `7 x1 d: Q
VX Best Angle of Climb Speed 3 ?% I5 M% L! H) K
VXSE Best Angle of Climb Speed, 1 engine inoperative " c& U! i2 H, ?: X9 t* w
VY Best Rate of Climb Speed 3 g9 e4 S3 q% a8 n# x! l, Y2 L- {
VYSE Best Rate of Climb Speed, 1 engine inoperative
6 ~; ~0 l3 t' }8 M5 _5 XWA (IAOPA) World Assembly
! v! r4 X! c) YWAAS GNSS wide-area augmentation system. ( A, s5 S9 E3 L+ e' E- W" H: t
WANGANUI Colored flares dropped on H2S to sky mark a target
9 R8 O; s5 j( J UWARNING A signal which alerts the operator to a dangerous condition requiring immediate action (from MIL-STD-1472D); an annunciator that is the most critical ...
& J9 D: r* D' K( d U0 QWARNING, CAUTION, ADVISORY (WCA) See: warning, caution, advisory, annunciator, alert; 1 o( R1 ]6 g% b( {2 L! 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;
% f- r# W; l; ~* G# e6 x* R3 ~, L: LWASHOUT 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...
6 I- y9 z- W Z. n1 d8 g- Y# I) HWASSERMANN German long range radar with a range of up to 190 Km.
0 b7 p3 U3 k% W6 d' o! D1 Z4 h: OWAYPOINT A predetermined geographical position used for route/instrument approach definition, or progress reporting purposes, that is defined relative to a VOR...
' y! ^/ U& Z$ }" _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...
W( G5 Q9 o# J( b. E, ~* R. O' yWAYPOINT APPROACH To approach a waypoint
! E: Q1 ]9 f# L9 D) c5 pWCA Warning, Caution, Advisory |
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