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Thread: A320 the big flaw of the UNRELIABLE SPEED/ADR CHECK procedure
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Old 7th Jun 2011, 15:40
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Graybeard
 
Join Date: Nov 2006
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I believe most a/c with IRUs use them for V/S instead of static.

Interestingly, a pneumatic IVSI, Instantaneous Vertical Speed Indicator, contains a small pendulum that starts tne needle in the correct direction to counter the delay inherent in the basic VSI.

GB
Last edited by Graybeard; 7th Jun 2011 at 16:24. Reason: correction for IVSI
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