Race modified F8F-2 Bureau Number 121646 owned by Mr. Darryl Greenamyer. This aircraft, with Greenamyer flying, won six unlimited race championships. On 16 August 1969 Greenamyer set a speed record for piston engine aircraft of 483 MPH (777 KM/HR) using this aircraft. Mr. Greenamyer donated N1111L to the Smithsonian Air & Space Museum in 1977, where it is on display in its later livery as "American Jet".

Darryl Greenamyer's record-breaking modified Bearcat, initially named "Conquest I", later this "American Jet". Aircraft Cylinder was the name of the company that supplied the R-2800 engine. Greenamyer died of old age in 2018.

In 1969 this F8F broke the 30-year-old speed record for a piston-engined aircraft by reaching 777 kilometers (483 miles) per hour. Now on display as "American Jet" at the wonderful NASM Udvar-Hazy Center.

On 16.8.69, Darryl Greenamyer broke the three kilometre speed record at 483 mph in this highly modified Bearcat "Conquest 1", which later became this "American Jet". The previous record had been set in 1939 in a Messerschmitt Me 209. Greenamyer won the National Air Races six times with this aircraft before donating it to the Smithsonian in 1977