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barometric vertical navigation
aviat., canad.	VNAV barométrique; baro-VNAV; navigation latérale/ navigation verticale
aviat., canad., oaci.	navigation verticale barométrique
Anglais glossaire
barometric vertical navigation
aviat., oaci.	A navigation system that presents to the pilot computed vertical guidance referenced to a specified vertical path angle VPA, nominally 3°. The computer-resolved vertical guidance is based on barometric altitude and is specified as a VPA from reference datum height RDH.