← Questions|中文
Aircraft General Knowledgeeasy#340

On a typical twin-engine airliner, what generates the primary AC electrical power?

A

Battery inverters

B

Ram air turbine

C

APU only

D

Engine-driven integrated drive generators (IDGs)

Correct

Explanation

Engine-driven IDGs (or variable-frequency generators) are the primary source of AC power in normal flight.

← PreviousNext →

Ready for a timed quiz?

Test yourself with random questions from Aircraft General Knowledge and all other ATPL subjects.

Start a Practice Quiz