High Quality Content by WIKIPEDIA articles! Pan Am Flight 6 (registration N90943, and sometimes erroneously called Flight 943) was an American around-the-world commercial passenger flight, that was forced to ditch in the Pacific Ocean on October 16, 1956, after the failure of two of its four engines. The service originated in Philadelphia, traveling eastwards around the globe via many stops, with a final scheduled destination at San Francisco. On the evening of October 15, 1956 the flight was operated over its final stages by a Boeing 377 Stratocruiser, named "Clipper Sovereign Of The Skies" (Pan Am fleet number 943) and registered N90943.