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That’s interesting. In the article it says:

> According to De Telegraaf, no signal would have come through in the cockpit before departure that the door was not closed properly.

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That obviously makes no sense. My car will tell me if a door is open, but somehow there is no sensor to detect this on a plane, where such a thing would be catastrophic as the plane gained altitude.

they are wrong. see edited and expanded parent post

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