The Slingsby T-3A Firefly (Slinsgby T67 Firefly) is a French-designed British two-seater, propeller driven trainer aircraft used by the U.S. Air Force's Air Education and Training Command to screen pilot candidates by exposing them to military style traffic patterns, aerobatics and spins. It is powered by a Textron Lycoming AEIO-540-D4A5, 260 hp engine providing a top speed of 333 kmh and a range of 1047 km. Research T-3A
The Turbay T-3A was an Argentine seven-seater light transport first flown as a prototype in 1964. The Turbay T-3A was a low-wing cantilever monoplane powered by two Lycoming O-360-A1D four-cylinder horizontally-opposed air-cooled engine providing a top speed of 318 kmh and a range of 1840 km. Research Turbay T-3A
 
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