Civil aviation dictionary
Aviation glossary
Terms, abbreviations and procedures explained without unnecessary jargon, with English names and clear definitions.
- Total entries
- 2480
- Terms
- 435
- Abbreviations
- 2045
W
- Abbreviationwing bar lights
WBAR stands for wing bar lights in FAA terminology.
- AbbreviationWith effect from, or effective from
WEF stands for With effect from, or effective from in FAA terminology.
- AbbreviationWorld Meteorological Organization
WMO stands for World Meteorological Organization in FAA terminology.
- AbbreviationWorld wide web
WWW stands for World wide web in FAA terminology.
Y
- Flying skillsYaw
Rotation of an aircraft about its vertical axis.
- Abbreviationyellow caution zone (runway lighting)
YCZ stands for yellow caution zone (runway lighting) in FAA terminology.
- AbbreviationYes (affirmative)
YES stands for Yes (affirmative) in FAA terminology.
- Abbreviationyour message
YMSG stands for your message in FAA terminology.