Pan Am Flight 812, operated by Pan American World Airways Boeing 707-321B N446PA (Clipper Climax)), was a scheduled international flight from Hong Kong to Sydney, Australia with an intermediate stop at Denpasar, Bali, Indonesia. On April 22, 1974 it crashed into rough mountainous terrain while preparing for a runway 09 approach to Denpasar after a 4 hour 20 minutes flight from Hong Kong. The location of the accident is about 42.5 nautical miles (78.7 km) northwest of Ngurah Rai International Airport. The cockpit crew consisted of Captain Donald Zinke, First Officer John Schroeder, Third Officer Melvin Pratt, and Flight Engineers Timothy Crowley & Edward Keating. The 96 passengers were looked after by Pursers Mary Butterworth & Beverly Schmitt and Flight Attendants Ann Beran, Janice Fanning, Ingrid Johansson, & Donna Kent.