Northwest Orient Airlines Flight 293 was an American military charter operated on June 3, 1963, by a Northwest Orient Airlines Douglas DC-7C registered N290 the aircraft crashed into the sea off the coast of Alaska, resulting in the deaths of all 101 crew and passengers on board.

[1] The last radio contact with the plane was at 10:06, when the crew requested a change of flight level.

[1] It was not until 19:22 that floating debris was seen 182.5 miles (293.7 km) WSW of Annette Island, Alaska.

Approximately 1,500 pounds of wreckage was recovered, including life vests still encased in their plastic containers and extremely deformed seat frames.

[2] With the wreckage under 8,000 feet of water, the Accident Review Board concluded that "because of a lack of evidence, the Board is unable to determine the probable cause of the accident.