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Flight Planninghard#830

The PET formula (distance from departure) is:

A

D × wind / TAS

B

D × GS_on / (GS_home + GS_on)

C

D / 2

D

D × GS_home / (GS_home + GS_on)

Correct

Explanation

PET distance from A = D × GS_home / (GS_on + GS_home), where D is total distance, GS_on is groundspeed outbound, GS_home is groundspeed return.

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