Glossary of Terms
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VA'VA’ means design manoeuvring speed. | |
VAACVolcanic ash advisory centre (VAAC). A meteorological centre designated by regional air navigation agreement to provide | |
Variable Pitch Propellers'Variable Pitch Propellers’ means a propeller, the pitch setting of which changes or can be changed,
b) A propeller, the pitch setting of which is controlled by a governor or other automatic means | |
VASI TVASI T-VASIVisual Approach Slope Indicator, and TVASI (T-VASI)
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VB'VB’ means design speed for maximum gust intensity. | |
Vc'VC’ means design cruising speed. | |
VD/MD'VD/MD’ means design diving speed. | |
VDLVHF digital link (VDL). A constituent mobile subnetwork of the aeronautical telecommunication network (ATN), operating | |
VdMdVDF/MDF’ means demonstrated flight diving speed. | |
VectoringVectoring. Provision of navigational guidance to aircraft in the form of specific headings, based on the use of an ATS | |
Vef‘VEF' means the speed at which the critical engine is assumed to fail during take-off. | |
Vf‘VF' means design flap speed. | |
Visibility“visibility” for aeronautical purposes is the greater of:
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VisitorVisitor. Any person who disembarks and enters the territory of a Contracting State other than that in which that person | |
Visual approach procedureVisual approach procedure. A series of predetermined manoeuvres by visual reference, from the initial approach fix, or where | |
VOLMETVOLMET. Meteorological information for aircraft in flight. | |
VoltVolt (V). The unit of electric potential difference and electromotive force which is the difference of electric potential between | |
Vs‘VSR’ means reference stall speed. | |