Across the configurations, what is the status of the boost pump?

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Multiple Choice

Across the configurations, what is the status of the boost pump?

The boost pump is an auxiliary supply used to prime the fuel system and to provide fuel pressure during starts or if the engine-driven pump cannot maintain pressure. In these configurations, the engine-driven pump is able to provide sufficient fuel pressure for normal operation, so there’s no need to energize the boost pump. That’s why the correct status is off across the configurations. The boost pump would only be switched on briefly for starting or if a fuel pressure issue arises; leaving it on in normal flight isn’t needed and isn’t typical.

The boost pump is an auxiliary supply used to prime the fuel system and to provide fuel pressure during starts or if the engine-driven pump cannot maintain pressure. In these configurations, the engine-driven pump is able to provide sufficient fuel pressure for normal operation, so there’s no need to energize the boost pump. That’s why the correct status is off across the configurations. The boost pump would only be switched on briefly for starting or if a fuel pressure issue arises; leaving it on in normal flight isn’t needed and isn’t typical.

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