TCAS vs Alt Adjust
Join Date: Jun 2000
Location: UK
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Yes - thank you, NSEU.
To get back to the original question, therefore, it seems the answer to bmbahia is twofold:
1) In the general case, there can be no implication to TCAS by setting QNH momentarily, unless it causes the aircraft to deviate from its vertical flight path, and
2) Specifically, on the A-320/330, this will never be so (vide FCOM 1.22.30).
JD
To get back to the original question, therefore, it seems the answer to bmbahia is twofold:
1) In the general case, there can be no implication to TCAS by setting QNH momentarily, unless it causes the aircraft to deviate from its vertical flight path, and
2) Specifically, on the A-320/330, this will never be so (vide FCOM 1.22.30).
JD