The North American NA-249 (T-2 Buckeye) is an American two-seater tandem basic/advanced flying trainer aircraft with armament training capability designed in response to a request in 1956 from the US Navy for a multi-role trainer on which pupils could progress from basic flying to the carrier qualification stages of the training programme. The North American NA-249 entered service in 1958, the original T-2A version being powered by a Westinghouse J34-WE-36 turbojet, in 1962 a T-2B version powered by two Pratt and Whitney J60 turbojets was produced for the US Navy, a later version is powered by two general Electric J85-GE-4 turbojets providing a top speed of 840 kmh and a range of 1685 km. The North American NA-249 can carry up to 640 lbs of disposable stores on two under-wing hard points. Research North American NA-249