usaac-official:

The NC-1 sinks beside USS Harding (DD-91) at the end of its transatlantic attempt, May 1919.

The Curtiss NC was a flying boat built by Curtiss Aeroplane and Motor Company and used by the United States Navy from 1918 through the early 1920s. Ten of these aircraft were built, the most famous of which is the NC-4, the first airplane to make a transatlantic flight.

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