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Is 647 square centimeters as big as an Airplane Tray Table?

It's about two-thirds as big as an Airplane Tray Table
The size of an Airplane Tray Table is about 1,010 square centimeters.
(average)
With wide variation among different models of airplanes, in-flight tray tables measure around 41.2 cm (16.5 in) x 24.1 cm (9.5 in) for a total area of 1,010 square centimeters. Flight safety rules require that the tray tables be upright and locked during takeoff and landing so as to reduce the risk of passenger abdominal injury.
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