Northwest Orient Airlines Flight 293Monday June 3, 1963
The aircraft was being flown under contract to the military. While en route, the aircraft crashed into the sea. The last known message was a request to ascend from 14,000 ft. to 18,000 ft. The last known position was 54 degrees 14 minutes N, 134 degrees 41 minutes W. Unable to determine the probable cause due to lack of evidence.