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155 - ATPL - Given: X = Distance A to point of equal time (PET) between A and B E = Endurance D = Distance A to B O = Groundspeed 'on' H = Groundspeed 'back'. The formula for calculating the distance X to point of equal time (PET) is:

Question 155 - Flight Planning and Monitoring - ATPL - Airline Transport Pilot license

X = D x H / (O + H)
X = D x O x H / (O + H)
X = E x H / (O + H)
X = D x O / (O + H)

Training tests and timed exam simulations ATPL - Airline Transport Pilot license