I.Ae. 21 DL

The I.Ae. 21 DL, also known as the FMA I.A.21 or FMA 21, was an experimental training aircraft developed by Argentina during the Second World War. While only one was built due to material constraints, the FMA 21 served as an advanced training aircraft for the Argentine Air Force (FAA) from 1943 to 1945. The FMA 21 was developed by Argentinian government-owned aircraft manufacturer Fábrica Militar de Aviones (FMA). Due to souring political relations between Argentina and the United States, FMA decided to use their experience with the North American NA-16 in service with the FAA to develop their own domestic fighter, so the FMA 21 was heavily based on the fuselage of the NA-16. It was also featured the first retractable landing gear built in the country.

Summary from Wikipedia, photo via Wikimedia Commons, licensed under CC BY-SA.