Aviation and air traffic control terminology · MLC-0104
Aviation and air traffic control terms: V (33)
- VCOA, see Visual climb over airport (VCOA)
- VDP, see Visual descent point
- VectorA heading issued to an aircraft to provide navigational guidance by radar.
- VerifyRequest confirmation of information; e.g., “verify assigned altitude.”
- Verify specific direction of takeoff (or turns after takeoff)Used by ATC to ascertain an aircraft's direction of takeoff and/or direction of turn after takeoff. It is...
- Vertical navigation (VNAV)A function of area navigation (RNAV) equipment which calculates, displays, and provides vertical guidance to...
- Vertical separationSeparation between aircraft expressed in units of vertical distance.
- Vertical takeoff and landing aircraft (VTOL)Aircraft capable of vertical climbs and/or descents and of using very short runways or small areas for...
- VertipadA small, designated area, usually with a prepared surface, on a vertiport, airport, landing/takeoff area...
- VertiportAn area of land, water, or a structure used or intended to be used to support the landing, takeoff, taxiing...
- Very high frequency omnidirectional range station, see VOR
- Very high frequency (VHF)The frequency band between 30 and 300 MHz. Portions of this band, 108 to 118 MHz, are used for certain...
- Very low frequency (VLF)The frequency band between 3 and 30 kHz.
- VFR, see Visual flight rules
- VFR aircraftAn aircraft conducting flight in accordance with visual flight rules.
- VFR conditionsWeather conditions equal to or better than the minimum for flight under visual flight rules. The term may be...
- VFR flight, see VFR aircraft
- VFR military training routes (VR)Routes used by the Department of Defense and associated Reserve and Air Guard units for the purpose of...
- VFR not recommendedAn advisory provided by a flight service station to a pilot during a preflight or inflight weather briefing...
- VFR terminal area charts, see Aeronautical chart
- VFR waypoint, see Waypoint
- VFR-on-topATC authorization for an IFR aircraft to operate in VFR conditions at any appropriate VFR altitude (as...
- VHF, see Very high frequency (VHF)
- VHF omnidirectional range/tactical air navigation, see VORTAC
- Video MAPAn electronically displayed map on the radar display that may depict data such as airports, heliports, runway...
- VisibilityThe ability, as determined by atmospheric conditions and expressed in units of distance, to see and identify...
- Visibility [ICAO]The ability, as determined by atmospheric conditions and expressed in units of distance, to see and identify...
- Visual approachAn approach conducted on an instrument flight rules (IFR) flight plan which authorizes the pilot to proceed...
- Visual approach [ICAO]An approach by an IFR flight when either part or all of an instrument approach procedure is not completed and...
- Visual approach slope indicator (VASI), see Airport lighting
- Visual climb over airport (VCOA)A departure option for an IFR aircraft, operating in visual meteorological conditions equal to or greater...
- Visual descent pointA defined point on the final approach course of a nonprecision straight-in approach procedure from which...
- Visual flight rulesRules that govern the procedures for conducting flight under visual conditions. The term “VFR” is also used...
- Visual holdingThe holding of aircraft at selected, prominent geographical fixes which can be easily recognized from the air.
- Visual line of sight (VLOS)Condition of operations wherein the operator maintains continuous, unaided visual contact with the unmanned...
- Visual meteorological conditionsMeteorological conditions expressed in terms of visibility, distance from cloud, and ceiling equal to or...
- Visual observer (VO)A person who is designated by the remote pilot in command to assist the remote pilot in command and the...
- Visual segment, see Published instrument approach procedure visual segment
- Visual separationA means employed by ATC to separate aircraft in terminal areas and en route airspace in the NAS. There are...
- VLF, see Very low frequency (VLF)
- VMC, see Visual meteorological conditions
- Voice switching and control system (VSCS)A computer controlled switching system that provides air traffic controllers with all voice circuits (air to...
- VORA ground-based electronic navigation aid transmitting very high frequency navigation signals, 360 degrees in...
- VOR test signal, see VOT
- VORTACA navigation aid providing VOR azimuth, TACAN azimuth, and TACAN distance measuring equipment (DME) at one...
- VorticesCircular patterns of air created by the movement of an airfoil through the air when generating lift. As an...
- VOTA ground facility which emits a test signal to check VOR receiver accuracy. Some VOTs are available to the...
- VR, see VFR military training routes (VR)
- VSCS, see Voice switching and control system (VSCS)
- VTOL aircraft, see Vertical takeoff and landing aircraft (VTOL)
33 of 1,122 terms in Aviation and air traffic control terminology (MLC-0104). Request the full dataset.