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Home > Exam Questions > EASA PPL(A) - Private Pilot License > Aircraft General Knowledge > What is the correct operational meaning of vacuum-driven instruments?

257 - EASA PPL(A) Exam Question Bank - What is the correct operational meaning of vacuum-driven instruments?

Question 257 - Aircraft General Knowledge - EASA PPL(A) - Private Pilot License

It is a fuel grade

It is a runway marking

It is used only in multi-engine aeroplanes

A vacuum failure can make associated gyro instruments unreliable

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