flap control in a sentence

Examples

1. On 16 December 1940, the XF4F-3 prototype, BuNo " 0383 ", c / n 356, modified from XF4F-2, was lost under circumstances that suggested that the pilot may have been confused by the poor layout of fuel valves and flap controls and inadvertently turned the fuel valve to " off " immediately after takeoff rather than selecting flaps " up ".