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frequency at which the outp... ) A6 j' m- q. o- ]/ s/ b6 G
CVFR Controlled VFR (still existing in some countries) 4 }$ r2 G* X$ Z9 v1 l; }# A
CVR Cockpit Voice Recorder 1 s! a; `2 J, i, B( B$ s) j
CYCLES Pertaining to turbine engines. Cycle begins with starting, continues through full-power, and ends with shutdown. 4 h% q% z1 t! q8 o
CYCLIC See: longitudinal cyclic, lateral cyclic;
2 h; j" q; R. zD Airspace ICAO Class D
1 r6 A# F4 N2 X0 |; O+ {& i8 \D.R. DEAD RECKONING; system of navigation. VIS Very High Frequency (30-300 MHz) . j( x' c' J) ?; K. r
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...
. a. V1 j+ d0 _VISUAL METEOROLOGICAL CONDITIONS(VMC) Meteorological conditions expressed in terms of visibility, distance from clouds, and ceiling equal to or better than specified minima. - d# p3 `3 v! e: d) T8 R5 l
VJAR-FCL Verordnung JAR-FCL (JAR-FCL transformed to Swiss Law) 3 o6 c' p" `; M9 V, j) i
VLA Very Light Aircraft (Aircraft certification category)
m4 Z# k" U6 x- pVLE Max. Landing Gear Extended Speed 5 {, x. y3 e8 L4 D# |
VLF Very Low Frequency radio equipment , l2 C# |# z. v. g. _! f
VLO Max. Landing Gear Operation Speed
w' r0 t1 r' k6 w3 \+ _# uVLOF lift-off speed. ! C9 H. f5 }# Y6 N/ V
VMC Visual Meteo Conditions ("good" weather for VFR or IFR)
( v9 b2 e; E7 y* s n" jVMO maximum operating limit speed. 5 _8 _* Z2 E2 J
VMU minimum unstick speed. # P( w. C* q7 u9 T |$ |; S# p0 v
VNAV Vertical navigation, or the capability to compute pitch-axis maneuvers and altitude-related points in space. " M4 X2 S' l" I2 B( q9 b& c% g: C
VNE Never Exceed Speed
0 P' H4 r9 p2 C3 j) C6 J% S- [VNO Max. Structural Cruising Speed 6 k- w+ I- n* C) O, @5 S
VOR A ground-based electronic navigation aid transmitting very high frequency navigation signals, 360 degrees in azimuth, oriented from magnetic north. Us...
2 [! g- n, s' D* d1 E+ E: z: i) kVOR/DME Vertical Navigation (GLS) 6 e+ C9 f$ E- O
VORTAC VHF Omni range; ) X$ n3 o- s0 } H4 c
VR Rotation Speed . d* m% X5 `8 X: C& A
VS the stalling speed or the minimum steady flight speed at which the airplane is controllable. ) @1 M: d, Q7 F4 F
VS0 Stalling Speed Landing Config
* i0 H% u _7 w# @VS1 Stalling Speed in a specified Config. : k$ F$ x' D" {. C6 ~, }/ O
VSSE Minimum Safe Single Engine Speed 1 T9 s: Y+ A/ C! P' ~
VTOSS takeoff safety speed for Category A rotorcraft.
0 F' S6 X: b5 _6 I2 O4 h: TVX Best Angle of Climb Speed / z1 V3 A& z. o1 a/ t8 z0 [
VXSE Best Angle of Climb Speed, 1 engine inoperative
: @0 E: o- u0 C% XVY Best Rate of Climb Speed ) B: z+ {+ W6 h
VYSE Best Rate of Climb Speed, 1 engine inoperative 7 d m4 L5 P% z2 `, w' ]6 K
WA (IAOPA) World Assembly
. g e% {( ~0 y* UWAAS GNSS wide-area augmentation system.
# H0 C" R! s, h; ZWANGANUI Colored flares dropped on H2S to sky mark a target 7 \" Z: r9 y+ X! m/ B% w
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 ...
, Q: \& `$ y* v) F% p `# s% ?WARNING, CAUTION, ADVISORY (WCA) See: warning, caution, advisory, annunciator, alert;
+ z$ @& E" |5 A8 e5 i% |0 aWASH-OUT FILTER A filter to smooth a transition due to change of input source, such as when changing modes; See Also: transient-free switch; 3 W I$ S4 P+ `! y9 K
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... ! C( j# J4 F7 o
WASSERMANN German long range radar with a range of up to 190 Km. , T6 {# b4 V# T# R$ H
WAYPOINT A predetermined geographical position used for route/instrument approach definition, or progress reporting purposes, that is defined relative to a VOR...
" e# {( i) b2 Q5 h' qWAYPOINT (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 |8 [- X- `" p
WAYPOINT APPROACH To approach a waypoint
P0 y7 ?! Y+ H8 k* w( q3 _% uWCA Warning, Caution, Advisory |
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