Examples of failure of aircraft structures caused by metal fatigue include the de Havilland Comet accidents ( 1950s ) and Aloha Airlines Flight 243 ( 1988 ) . Improper repair procedures can also cause structural failures include Japan Airlines Flight 123 ( 1985 ) and China Airlines Flight 611 ( 2002 ) . Now that the subject is better understood , rigorous inspection and nondestructive testing procedures are in place
Aloha Airlines Flight 243
Aloha Airlines Flight 243
Aviation safety