The ventilation system in a fuel tank:

Question

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

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Prevents low pressure or overpressure in the tank.

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Can Be Used To Drain The Tanks, For Daily Checks.

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It prevents a surge in the tank of an iced aeroplane.

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Prevents Vapour Lock In The Fuel Lines.

Id 110 - ATPL - The ventilation system in a fuel tank: