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Home > Exam Questions > ATPL - Airline Transport Pilot Licence > Aircraft General Knowledge - Airframe, Systems, Powerplant > The purpose of cabin air flow control valves in a pressurisation system is to:

196 - ATPL Question Bank in English - The purpose of cabin air flow control valves in a pressurisation system is to:

Question 196 - Aircraft General Knowledge - Airframe, Systems, Powerplant - ATPL - Airline Transport Pilot Licence

Maintain a constant and sufficient mass air flow to ventilate the cabin and minimise cabin pressure surges.

Regulate cabin pressure at the maximum cabin pressure differential.

Discharge cabin air to atmosphere if cabin pressure rises above the selected altitude.

Regulate cabin pressure to the selected altitude.

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