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3rd October 2008 | 13:05

#10 (permalink)

OPEN DES

Joined: Apr 2004

Posts: 509

Likes: 3

From: United States of Europe

Your captain is wrong and you are right. TCAS looks at pressure altitude (i.e. 1013.25/2992) independent of QNH selections.

Also there is no need to change the AP in command when pre-selecting QNH!

Hope this helps

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