Allan and Malcolm Loughead built the F-1 twin-engined flying-boat in 1918. With the help of designer Jack Northrop, Lockheed built the F1, but it was turned down by the Navy.
Allan and Malcolm Loughead built the F-1 twin-engined flying-boat in 1918. With the help of designer Jack Northrop, Lockheed built the F1, but it was turned down by the Navy.