Pan Am Flight 812 (PA812), operated by a Pan American World Airways Boeing 707-321B registered N446PA and named Clipper Climax, was a scheduled international flight from Hong Kong to Los Angeles, California, with intermediate stops at Denpasar, Sydney, Nadi, and Honolulu. On April 22, 1974, it crashed into rough mountainous terrain while preparing for a runway 09 approach to Denpasar after a 4-hour 20-minute flight from Hong Kong. All 107 people on board perished. The location of the accident was about northwest of Ngurah Rai International Airport. Until the 1991 Jakarta Indonesian Air Force C-130 crash, it was the deadliest aviation accident to happen in Indonesian soil. Accident Flight 812, a regularly scheduled flight from Hong Kong to Los Angeles via Bali, Sydney, Nadi, and Honolulu, departed Hong Kong on April 22, 1974, at 11:08 UTC (7:08 pm Hong Kong time). The estimated flying time to Bali was 4 hours and 23 minutes. At 15:23 UTC (12:23 am Bali time in 1974), Flight 812 was on final approach to Bali. The aircraft reported reaching . The Bali Tower gave instructions to continue the approach and to report when the runway was in sight. Acknowledgement was made by Flight 812 by saying, "Check inbound". At 15:26 the pilot-in-command requested the visibility by calling, "Hey – Tower, what is your visibility out there now?" However, according to the transcription of Air Traffic Control voice recorder this message was never received by the Bali Tower. Apparently this was the last message transmitted by the aircraft. The Bali Tower kept trying to contact the aircraft by calling, "Clipper eight one two, Bali Tower", and "Clipper eight one two, Bali Tower, how do you read", several times. However, no answer was received from the aircraft. It was subsequently found that the aircraft had hit a mountain approximately northwest of the Bali airport. Search and rescue Bali control tower immediately lost all contact with the plane and declared that the plane was missing. Indonesian paratroops and authorities were immediately deployed to the area where last contact had been established by Flight 812. The last contact was established by Flight 812 at Mesehe Mountain, a dormant volcano located near the airport. The wreckage was found a day later by 2 local villagers. They reported that there were no survivors. Evacuation of the bodies was hampered due to the terrain of the crash site, which was located in