Joint Primary Aircraft Training System

The Joint Primary Aircraft Training System was a requirement by the United States Air Force and United States Navy for a trainer aircraft usable by both services.

Contenders included the SIAI Marchetti S.211, the Promavia Jet Squalus, the Soko G-4 Super Galeb and the Pilatus PC-9, which won the competition to be manufactured by Raytheon as the T-6 Texan II