Glossary

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

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W

Definition
West, West Longitude
Glossary Navigation

W/V

Definition
Wind Velocity
Glossary Meteorology Source: AIS

WAAS

Definition
Wide Area Augmentation System
Glossary Navigation Source: AIS

WAC

Definition
World Aeronautical Chart ICAO 1:1,000,000 (followed by name/title)
Glossary Publications and charts

WAFC

Definition
World Area Forecast Centre
Glossary Organisation

WAFS

Definition
World Area Forecast System
Glossary Meteorology Source: AIS

WATIR

Definition
Weather and Terminal Information Reciter
Glossary Meteorology Source: AIS

WB

Definition
Westbound
Glossary Navigation Source: AIS

WBM

Definition
Weight And Balance Manual
Glossary Manuals and handbooks

WDI

Definition
Wind Direction Indicator
Glossary Meteorology Source: AIS

WED

Definition
Wednesday
Glossary Miscellaneous Source: AIS

WEF

Definition
With Effect From, Effective From
Glossary Communication Source: AIS

WGS-84

Definition
World Geodetic System 1984
Glossary Systems Source: AIS

WI

Definition
Within
Glossary Miscellaneous Source: AIS

WID

Definition
Width
Glossary Measurement Source: AIS
Online version available at: https://www.casa.gov.au//resources-and-education/glossary
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