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| Home | Research | For Teachers | HISTORY Level 1 Level 2 Level 3 |
PRINCIPLES Level 1 Level 2 Level 3 |
CAREER Level 1 Level 2 Level 3 |
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| Web Administration and Tools | |||||
This instrument informs the pilot of the aircraft's rate of climb or descent. Like the
altimeter, the VVI detects pressure changes to identify a climb or descent. However,
unlike the altimeter, the VVI will calculate the rate of climb/descent and present this to
the pilot in feet per minute (FPM). A normal climb rate for a single engine general
aviation aircraft is around 600 feet per minute. The backup VVI instrument (primary VVI
can be displayed on the Heads Up Display) on the F-15E has a maximum rate of 6000 feet per
minute. Since the Strike Eagle can easily exceed a climb rate of 20,000 feet per minute,
this gauge is usually "pegged" at 6000 FPM.
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Updated: February 24, 1999