Note: although the Navy did purchase a small number of Curtiss F9C "Sparrowhawk" fighters in preference to the XFA-1, they were little used on aircraft carriers. For that role the Navy preferred the Boeing F4B and Curtiss F11C "Goshawk", both of which were larger but had better performance.
Instead, the Curtiss F9C fighters were relegated to use as "parasite" fighters, deployed from the airships USS Akron and USS Macon. However, neither of those "flying aircraft carriers" lasted very long, both crashing into the ocean within two years of their commissioning. After that the Navy had no further use for the remaining F9C "Sparrowhawks", which were declared obsolete and placed in storage. One still survives as a museum display.
Klaatu83, e-mail, 27.07.2014 16:22
Although this airplane was produced by the successor to Fokker's U.S. subsidiary, it's design clearly owed little or nothing to Fokker's influence. Apart from everything else it was fabricated out of metal while, at that time, Fokker's aircraft were constructed largely out of wood. Unfortunately, the Navy preferred a fighter produced by Boeing, the F4B.