71.   Investigators said that crash was caused by a fire fed by illegally carried oxygen generators.

72.   Initial reports from Colombian authorities indicated that the crash was caused by pilot error as the jet prepared for landing.

73.   It is still unknown what caused the fatal crash Saturday in neighboring Fort Bend County.

74.   Investigation officials also said there were no indications that a bomb or sabotage caused the crash.

75.   Investigators said they believe the crash was caused by ice build-up on the wings.

76.   It was not immediately clear what caused the crash in nearly impassable terrain near the Courthouse Bay boat basin at Camp Lejeune.

77.   Kisor can single out only one incident in which his deafness could have caused a crash.

78.   Lacking firm evidence, investigators have debated whether the Air-India crash was indeed caused by a bomb.

79.   Matched against that, the safety board said on Thursday that it was aware of five incidents in which the rudder jammed, none of which caused a crash.

80.   Midair upsets have caused a few crashes, but by using the rudder properly, pilots can set things aright.