Pan Am Flight 845 was a Boeing 747-121, registration N747PA, operating as a scheduled international passenger flight between Los Angeles and Tokyo, with an intermediate stop at San Francisco International Airport On July 30, 1971, at 15:29 PDT, while it was taking off from San Francisco bound for Tokyo, the aircraft struck approach lighting system structures located past the end of the runway, which seriously injured two passengers and caused significant damage. The crew continued the takeoff, f