During fueling with passengers onboard, what must remain open?

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Multiple Choice

During fueling with passengers onboard, what must remain open?

During fueling with passengers aboard, ventilation is essential to prevent fuel vapors from accumulating inside the cabin. Keeping at least one main cabin door open creates a flow path for outside air to move through the cabin, diluting any vapors and reducing the risk of ignition. It also gives crew a direct view into the cabin and a way to communicate with passengers and ground personnel if needed. The cockpit door is generally kept closed for security, and opening only an emergency exit wouldn’t provide the same reliable ventilation and monitoring benefits as a main cabin door.

During fueling with passengers aboard, ventilation is essential to prevent fuel vapors from accumulating inside the cabin. Keeping at least one main cabin door open creates a flow path for outside air to move through the cabin, diluting any vapors and reducing the risk of ignition. It also gives crew a direct view into the cabin and a way to communicate with passengers and ground personnel if needed. The cockpit door is generally kept closed for security, and opening only an emergency exit wouldn’t provide the same reliable ventilation and monitoring benefits as a main cabin door.

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