The Pitot-Static System: How It Works
Pilot Institute
DECEMBER 12, 2024
As the name implies, the VSI shows the rate of the aircrafts climb or descent. It shows the rate of climb or descent in feet per minute. In the VSIs case, the static pressure enters the instrument through the static pressure line that you can see in the diagram. If theyre blocked, your instruments can give false or no readings.
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