| |
|
| V1 |
Decision speed; below V1
take-off is abandoned if the critical engine fails, aircraft can stop
safely within remaining runway; above V1
take-off can be continued safely |
| V2 |
Minimum take-off safety speed |
| VA |
Design manoeuvring speed |
| VC |
Design cruise speed |
| VD |
Design diving speed |
| VMO |
Maximum (permitted) operating speed;
re: MMO |
| VNE |
Never exceed speed |
| VR |
Rotation speed, speed at which pilot raises nose
of aircraft during take-off |
| VS |
Stalling speed |
| VAR |
Variation |
| variable geometry |
Aircraft capable of changing wing-sweep in
flight |
| variable pitch |
Propellor which can change pitch of its blades
in flight |
| VASI |
Visual approach slope indicator |
| VASIS |
Visual approach slope indicator system |
| VDU |
Video display unit |
| also: |
Visual display unit |
| vertrep |
Vertical replenishment |
| VFR |
Visual flight rules |
| VG |
Variable geometry |
| VHF |
Very high frequency |
| VHSIC |
Very high speed integrated circuits |
| VIP |
Very important person |
| VL |
Vertical landing |
| VLA |
Very light aircraft; special section of
the CS-23 / JAR 23 certification category, for VFR-only aircraft with a
MTOW of 750 kg and a maximum of 2 persons on board |
| VLF |
Very low frequency |
| VLO |
Very low observable |
| VMC |
Visual meteorological conditions |
| VMS |
Vehicle management system |
| VOD |
Vertical on-board delivery |
| VOLMET |
Regular broadcast of meteorological information
by ground station |
| VOR |
VHF omnidirectional radio range |
| vortex generator |
Small blade perpendicular to wing or tail
surface; creates vortex in the boundary layer, keeping the boundary
layer attached to the surface, thus improving control |
| vortillon |
Fence around underside of wing leading-edge;
controls boundary layer direction |
| VP |
Variable pitch (propellor) |
| VPU |
Video processing unit |
| VSD |
Vertical situation display |
| VSI |
Vertical speed indicator |
| V/STOL |
Vertical / short take-off and landing |
| VTOL |
Vertical take-off and landing |