What happened
During a scheduled nighttime cross-country courier mission traveling from Saigon to Phan Rang, an aircraft went missing. The search efforts concluded when the wreckage of the plane was located on 23 December. Upon inspection of the debris field, investigators determined that the aircraft had been struck by ground fire.
There were no survivors in the accident. The incident resulted in nine fatalities, involving all members of the flight crew present on board during the mission.
Findings
Post-accident analysis of the wreckage provided clear indications regarding the destruction of the aircraft. The primary finding was that the plane was shot down by weapons fire from the ground during its flight phase.