During the arming of A330 doors, which visual check confirms the door is ARMED?

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Multiple Choice

During the arming of A330 doors, which visual check confirms the door is ARMED?

Explanation:
Arming a door is about setting the slide/arming mechanism to a state where the door can deploy the slide when opened. The clearest, definitive visual cue for this on the A330 is the arming lever itself: when you see the lever in the ARMED position, the door is truly armed. This lever directly controls the safety mechanism that links the door opening to slide deployment, so its position is the most reliable indicator. Other checks don’t confirm arming as reliably. The door pin and streamer relate to ground safety pins used during maintenance or on the ground; whether that pin is stowed doesn’t guarantee the slide arming state in flight. An access cover being closed is a general closure safety check but has no direct bearing on whether the slide is armed. The door status indicators on the 1L FA panel can reflect various door states, but they may not consistently align with the actual arming status in all configurations or phases of operation. Therefore, the lever position remains the best, most direct indication that the door is armed.

Arming a door is about setting the slide/arming mechanism to a state where the door can deploy the slide when opened. The clearest, definitive visual cue for this on the A330 is the arming lever itself: when you see the lever in the ARMED position, the door is truly armed. This lever directly controls the safety mechanism that links the door opening to slide deployment, so its position is the most reliable indicator.

Other checks don’t confirm arming as reliably. The door pin and streamer relate to ground safety pins used during maintenance or on the ground; whether that pin is stowed doesn’t guarantee the slide arming state in flight. An access cover being closed is a general closure safety check but has no direct bearing on whether the slide is armed. The door status indicators on the 1L FA panel can reflect various door states, but they may not consistently align with the actual arming status in all configurations or phases of operation. Therefore, the lever position remains the best, most direct indication that the door is armed.

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