 He did return with a contract to build two Curtiss flying boats and an agreement for the Navy to test the F-1.When the F-1 was completed, Allan Loughead and a crew of three flew it from Santa Barbara to San Diego in April 1918, setting a record of 181 minutes for the 211-mile flight.After the Navy completed its tests, the F-1 was returned to Loughead Aircraft and was then converted into the F-lA land-plane.