visual descent point U.S.: A defined point on the final approach course of a nonprecision [sic] straight-in approach procedure from which normal descent from the minimum descent altitude (MDA) to the runway touchdown point may be commenced, provided the approach threshold of that runway, or approach lights, or other markings identifiable with the approach end of that runway are clearly visible to the pilot.
. abbreviation: VDP
visual flight rules
The rules that govern the procedures for conducting flight under visual conditions.
. abbreviation: VFR
Note: The abbreviation “VFR” is used by pilots and controllers to indicate a type of flight plan (FP)
or weather conditions.
Fr: règles de vol à vue
visual glide slope indicators Other expression for: visual approach slope indicator systems
. abbreviation: VGSI
visual holding U.S.: Expression for: VFR holding procedure
visual meteorological conditions
(1) Canada: Meteorological conditions, expressed in terms of visibility and distance from cloud, equal to or greater than the minima specified in CAR 602.
. abbreviation: VMC
Fr: conditions météorologiques de vol à vue
(2) ICAO and U.S.: Meteorological conditions, expressed in terms of visibility, distance from cloud, and ceiling, equal to or better than the minima.
. abbreviation: VMC
Fr: conditions météorologiques de vol à vue
visual separation
A means used by controllers to separate aircraft operating in visual meteorolgical conditions (VMC).
(a)
VFR – The controller, having determined that a potential conflict exists, issues clearances, instructions and/or information as necessary to aid aircraft in establishing visual contact with each other or to assist aircraft in avoiding other aircraft.
(b)
IFR or CVFR – Following a pilot’s report that the traffic is in sight, the controller issues the clearance and instructs the pilot to provide his or her own separation by manoeuvring the aircraft as necessary to avoid or follow the traffic.
Fr: espacement visuel
VLF Abbreviation for: very low frequency Fr: VLF
VMC Abbreviation for: visual meteorological conditions Fr: VMC
VNC Abbreviation for: VFR navigation chart Fr: VNC
VOLMET Other expression for: in-flight meteorological information
VOR receiver test facility
A ground facility that emits a test signal to check VHF omnidirectional range (VOR) receiver accuracy.
. abbreviation: VOT
Fr: système de vérification de récepteur VOR
VOR station Other expression for: VHF omnidirectional range station
VORTAC
Combination of VOR and TACAN.
Fr: VORTAC
VOT Abbreviation for: VOR receiver test facility Fr: VOT
VTA Abbreviation for: VFR terminal area chart Fr: VTA
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