 Finally, the 700 hp (522 kW) Wright R-1820-80 nine cylinder, single row, air-cooled radial engine was installed and the resulting aircraft, designated XF12C-1 flew in 1933.Designed for aircraft carrier usage, the parasol wing folded back, a new feature for the Navy, for storage and the aircraft had an exposed tail hook for carrier landings.The first flight was in July 1933 but in September 1934, the parasol wing failed in the dive bomber tests.