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Definition of Vasi

Vasi Definition from Arts & Humanities Dictionaries & Glossaries
JM Latin-English Dictionary
go| ADVance| rush| hurry; walk
vessel| dish; vase; pack/kit; utensil| instrument; equipment/apparatus (pl.)
Vasi Definition from Business & Finance Dictionaries & Glossaries
BTS Transportation Expressions
An airport lighting facility providing vertical visual approach slope guidance to aircraft during approach to landing by radiating a directional pattern of high intensity red and white focused light beams which indicate to the pilot that he is "on path" if he sees red/white, "above path" if white/white, and "below path " if red/red. Some airports serving large aircraft have three-bar Visual Approach Slope Indicators (VASI) which provide two visual glide paths to the same runway. (FAA4)
By the Bureau of Transportation Statistics.
Vasi Definition from Science & Technology Dictionaries & Glossaries
Visual Approach Slope Indicator
Vasi Definition from Encyclopedia Dictionaries & Glossaries
English Wikipedia - The Free Encyclopedia
Vasi or VASI may refer to:
  • Visual Approach Slope Indicator, a system of lights on the side of an airport runway threshold
  • Vasi-vari or Wasi-wari language, a language spoken by the Wasi people in the Prasun Valley in Afghanistan

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The visual approach slope indicator (VASI) is a system of lights on the side of an airport runway threshold that provides visual descent guidance information during approach. These lights may be visible from up to during the day and up to or more at night.

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