North American T-6 Texan race at the 2008 Reno Air Races. The T-6 Texan was a single-engine advanced trainer aircraft designed by North American Aviation, used to train fighter pilots of the United States Army Air Forces, United States Navy, Royal Air Force and other air forces of the British Commonwealth during World War II. The T-6 is known by a variety of designations depending on the model and operating air force. The USAAC called it the AT-6, the US Navy, the SNJ, and British Commonwealth a