Boeing 377 Stratocruiser N90943, Sovereign of the Skies, ditching, 16 October 1956 Published on October 15, 2013 in 16 October 1956Full resolution (581 × 359) ← Previous Next → Pan American World Airways Flight 6, a Boeing 377 Stratocruiser, ditches in the North Pacific Ocean near USCGC Pontchartrain (WHEC 70), 6:15 am., 16 October 1956. (U.S. Coast Guard)