Glossary

Look up acronyms, technical terms and phrases to find out what they mean.

Showing 1 - 30 of 58 results

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V

Definition:
Velocity
Glossary Measurement Source: AIS

V1

Definition:
Take-off Decision Speed
Glossary Flight operations Source: AIS

V2

Definition:
Take-off Safety Speed (Applicable to Larger Multi-engine Aircraft)
Glossary Safety

VA

Definition:
Volcanic Ash
Glossary Meteorology

VA

Definition:
Maximum Manoeuvring Speed
Glossary Flight operations

VAA-H

Definition:
Visual Approach Area - Helicopter
Glossary Flight operations Source: AIS

VAAC

Definition:
Volcanic Ash Advisory Centre
Glossary Organisation

VAC

Definition:
Visual Approach Chart (followed by name/title)
Glossary Publications and charts

VAL

Definition:
In Valleys
Glossary Meteorology

VAR

Definition:
Magnetic Variation
Glossary Navigation Source: AIS

VASIS

Definition:
Visual Approach Slope Indicator System
Glossary Navigation Source: AIS

VC

Definition:
Vicinity of the aerodrome (followed by FG=fog, FC=funnel cloud, PO=dust/sand whirls, BLDU=blowing dust, BLSA=blowing sand or BLSN=blowing snow; eg, VCFG=vicinity fog
Glossary Meteorology Source: AIS

VCY

Definition:
Vicinity
Glossary Aerodrome Source: AIS

VDF

Definition:
VHF Direction Finding Station
Glossary Communication Source: AIS

VEC

Definition:
Visual En-route Chart
Glossary Publications and charts Source: AIS

VER

Definition:
Vertical
Glossary Flight operations Source: AIS

VFE

Definition:
Flap Extension Speed
Glossary Flight operations Source: AIS

VFR

Definition:
Visual flight rules
Glossary Flight planning Visual flight rules Source: AIS

VHF

Definition:
Very High Frequency (30 to 300 MHZ)
Glossary Communication

VHFCOM

Definition:
Very High Frequency Communication
Glossary Communication

VIA

Definition:
By way of...
Glossary Miscellaneous Source: AIS

VIMD

Definition:
Maximum Drag Speed
Glossary Flight operations

VIP

Definition:
Very Important Person
Glossary Miscellaneous Source: AIS

VIS

Definition:
Visibility
Glossary Meteorology

VLE

Definition:
Maximum Speed with Landing Gear Extended
Glossary Flight operations Source: AIS

VLF

Definition:
Very Low Frequency (3 to 30 KHZ)
Glossary Communication Source: AIS

VLJ

Definition:
Very Light Jet
Glossary Aircraft

VLO

Definition:
Landing Gear Operating
Glossary Flight operations Source: AIS

VLO2

Definition:
Landing Gear Operation Down
Glossary Flight operations

VLOS

Definition:
Visual line of sight
Glossary Navigation
Online version available at: https://www.casa.gov.au//resources-and-education/glossary
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