OSA Timeline

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Curtiss NC seaplane, 1919
Curtiss NC seaplane. Plane number four of four built, named NC-4. Credit: USN

July 1919

Curtiss NC seaplane, 1919

Curtiss NC seaplane. Plane number four of four built, named NC-4, sometime after the translatlantic test flight, 1919. Visible is the fourth pusher engine which was added for that flight.