An American Overseas Airlines Douglas DC-4 crashes near Ernest Harmon Air Force Base in Stephenville, Newfoundland and Labrador, Canada, killing 39.

American Overseas Airlines (AOA) was an airline that operated between the United States and Europe between 1945 and 1950. It was headquartered in Midtown Manhattan, New York City.

The Douglas DC-4 is an American four-engined (piston), propeller-driven airliner developed by the Douglas Aircraft Company. Military versions of the plane, the C-54 and R5D, served during World War II, in the Berlin Airlift and into the 1960s. From 1945, many civil airlines operated the DC-4 worldwide.

On October 3, 1946, an American Overseas Airlines (AOA) Douglas C-54 aircraft named Flagship New England crashed soon after take-off from Stephenville, Newfoundland, killing all 39 people on board. It was, at the time, the deadliest aircraft crash on Newfoundland soil.

Ernest Harmon Air Force Base is a former United States Air Force base located in Stephenville, Newfoundland and Labrador. The base was built by the United States Army Air Forces in 1941 under the Destroyers for Bases Agreement with the United Kingdom.

Stephenville is a town in Newfoundland and Labrador, Canada, on the west coast of the island of Newfoundland.