In what year did US airline 'Pan Am' fold?
Pan Am Flight 73 is still under investigation by the Washington Field Office of the Bureau. The aircraft was a four-engined Boeing 747-121 delivered to Pan Am on 18 June 1971, with registration and named "Clipper Live Yankee" by the airline. It was later renamed and at the time of the incident was named "Clipper Empress of the Seas". After the incident the aircraft was renamed "Clipper New Horizons". Pan Am sold the aircraft to Evergreen International in 1988 and then leased it back. The aircraft was returned by Pan Am to Evergreen in April 1991. Evergreen scrapped the aircraft the next month. The
Pan Am Flight 812 premature execution of a right-hand turn to join the 263-degree outbound track, which was based on the indication given by only one of the radio direction finders while the other one was still in steady condition, is the most probable cause of the accident. The crash of Flight 812 was a wake-up call for Pan Am. Flight 812 was the third 707 the airline had lost in the Pacific in less than a year after Pan Am Flight 806 in Pago Pago on 30 January 1974 and Pan Am Flight 816 in Papeete on 22 July 1973. Following the crash