On April 5 , 1991 , Tower was aboard Atlantic Southeast Airlines Flight 2311 when it crashed while on approach for landing at Brunswick , Georgia . The crash instantly killed everyone on board , including Tower and his middle daughter , Marian , the astronaut Sonny Carter , and twenty others . An investigation determined that the crash resulted from failure of the plane 's propeller control unit
Flight 2311
Atlantic Southeast Airlines Flight 2311
John Tower