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Home > Exam Questions > ATPL - Airline Transport Pilot license > Aircraft General Knowledge - Airframe, Systems, Powerplant > On the ground, the Auxiliary Power Unit (APU) can be substituted for the:

632 - ATPL - On the ground, the Auxiliary Power Unit (APU) can be substituted for the:

Question 632 - Aircraft General Knowledge - Airframe, Systems, Powerplant - ATPL - Airline Transport Pilot license

Ground power unit, the starting system, the air conditioning unit.

Ground power unit.

Ground power unit, the starting system.

Ground power unit, the air conditioning unit.

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