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VVI - Vertical Velocity Indicator; this instrument indicates the acceleration that an aircraft experiences as it ascends or descends. In the realm of combat aircraft, the VVI can actually be a symbology that appears on the pilot-'s HUD instead of a proper instrument.
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Origin of the term - Aeronautics, military, aerospace.
Phonetics - This term is phonetically described or pronounced as: Literal.
Synonyms - Related words or with the same meaning: VSI, HUD.
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