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Aviation Acronyms and Abbreviations


Select the first letter of the word from the list above to jump to appropriate section of the acronyms and abbreviation. All trademarks or product names mentioned herein are the property of their respective owners.
- V -
V Velocity

VA Heading to an Altitude

VA Design Maneuvering Speed

VAR Variation

VAR Volt-amps Reactive

VAR Visual-aural Radio Range

VASI Visual Approach Slope Indicator

VBF(LO) Flaps up minimum buffet speed at current maneuver load factor minus altitude dependent variable

VBFNG(HI) High speed CAS at N g's to buffet onset

VBFNG(LO) Low speed CAS at N g's to buffet onset

VCMAX Active Maximum Control Speed

VCMIN Active Minimum Control Speed

VC Design Cruising Speed

VD Design Diving Speed

VD Heading to a DME distance

VF Design Flap Speed

VFE Flaps Extended Placard Speed

VFR Visual Flight Rules

VFXR(R) Flap Retraction Speed

VFXR(X) Flap Extension Speed

VG Ground Velocity

VGND Ground Velocity

VH Maximum Level-flight Speed with Continuous Power

VHF Very-high Frequency

VHRR Very High-Resolution Radiometer

VISSR Visible Infrared Spin Scan Radiometer

Vl Heading to a course intercept

Vls Lowest Selectable Airspeed

VLE Landing Gear Extended Placard Airspeed

VLO Maximum Landing Gear of Operating Speed

VLOF Lift-off Speed

VM Heading to a manual termination

VMC Visual Meteorological Conditions

VMC Minimum Control Speed with Critical Engine Out

VM(LO) Minimum Maneuver Speed

VMAX Basic Clean Aircraft Maximum CAS

VMIN Basic Clean Aircraft Minimum CAS

VMO Velocity Max Operating

VNAV Vertical Navigation (provides computer description of aircraft's speed and altitude that can be tracked by autoflight system)

VNE Never-exceed Speed

VNO Maximum Structural Cruising Speed

VOM Volt-ohm-milliammeter

VOR VHF OmniRange Navigatgion System (ground navigational aid that can provide display of aircraft position relative to course through selected ground navigational radio transmitter)

VORTAC VHF Omni Range Radio/Tactical Air Navagation

VPATH Vertical Path

VR Heading to a radial

VR Takeoff Rotation Velocity

VREF Reference Velocity

VS Design Speed for Maximum Gust Intensity

V/S Vertical Speed/Vertical

VSCS Voice Switching and Control System

VSI Stalling Speed in a Specified Flight Configuration

VSO Stalling Speed in the Landing Configuration

VSTOL Vertical or Short Takeoff and Landing

VTK Vertical Track Distance

VTOL Vertical Takeoff and Landing

V/TRK Vertical Track

VTR Variable Takeoff Rating

VU Utility Speed

VX Speed for Best Angle of Climb

VY Speed for Best Rate of Climb

Vl Critical Engine Failure Velocity (Takeoff Decision Speed)

V2 Takeoff Climb Velocity

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- W -
W West

WAAS Wide Area Augmentation System

Waypoint Position in space usually on aircraft's flight plan

WBC Weight and Balance Computer

WINDR Wind Direction

WINDMG Wind Magnitude

WPT Way point

W/MOD With Modification of Vertical Profile

WMSC Weather Message Switching Center

WMSCR Weather Message Switching Center Replacement

WO World Airways

W/STEP With Step Change in Altitude

WT Weight

WX Weather

Weather Radar
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- X -
X-BAND The frequency range between 8000 and 12500 MHz

XCVR Transceiver

XFR Transfer

XLTR Translater

XM External Master

XMIT Transmit

XMITR Transmitter

XPD ATC Transponder (also XPDR, XPNDR, TPR)

XTK Crosstrack (cross track error)

XY Ryan Air

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- Y -
YSAS Yaw Stability Augmentation System

YD Yaw Damper
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- Z -
Z Zulu (GMTtime)

ZFW Zero Fuel Weight

ZNY New York Air Route Traffic Control Center

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