The Hercules was flying U.S. marines back to Vietnam after a rest and relaxation leave in Hong Kong. The airplane was bound for Da Nang Air Base and Saigon. Shortly after lifting off the runway, the airplane veered left, struck a sea wall and crashed into the water about 40 feet off an industrial suburb on Hong Kong Island.

The nr.1 engine was delivering only partial power during take-off.

Asia Pacific assisted for the families of the 12 Indonesian crew who were killed on injured in the crash.