Aircraft Weight "Miss"-classification

Image: Sascha Steinbach/EPA

A bug in an airline reservation system resulted in all female passengers on a Tui flight that select Miss on their booking to be allocated a child's weight of 35kg on the aircraft load sheet instead of the standard weight of 69kg. This error resulted in the pilot calculating takeoff thrust using a weight figure that was 1,200kg lighter than the real weight of the aircraft. The airline system was developed in a country where the prefix Miss is used for children and Ms is used for adult females.


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