During fueling with passengers onboard, which doorway must stay open?

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Multiple Choice

During fueling with passengers onboard, which doorway must stay open?

The most important doorway to keep open during fueling with passengers onboard is the main cabin boarding door. Opening this door provides a direct route for air to move through the cabin and vent any fuel vapors to the outside, helping prevent vapor buildup and ensuring a visible, quick exit path if needed. The flight deck door is kept closed for security, and the galley and lavatory doors are also typically kept closed to contain any fumes and maintain safety within their areas. So, maintaining an open main cabin boarding door supports both ventilation and emergency readiness during fueling.

The most important doorway to keep open during fueling with passengers onboard is the main cabin boarding door. Opening this door provides a direct route for air to move through the cabin and vent any fuel vapors to the outside, helping prevent vapor buildup and ensuring a visible, quick exit path if needed. The flight deck door is kept closed for security, and the galley and lavatory doors are also typically kept closed to contain any fumes and maintain safety within their areas. So, maintaining an open main cabin boarding door supports both ventilation and emergency readiness during fueling.

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