Beechcraft T-6 Texan II 41st Flying Training Squadron Flying BuzzsawsRaytheon T 6 T 6A T 6B Texan 41st FTS airplane model. The Raytheon Aircraft Company [formerly Beechcraft] T 6A Joint Primary Air Training System (JPATS) turboprop is designed as a dedicated training aircraft possessing jet like handling characteristics. Replacing the Air Force's T 37 and the Navy's T 34C aircraft, which are 37 and 22 years old, respectively, the T 6A will offer better performance and significant improvements in training effectiveness,