The Pilatus PC-9 is a single-engine, low-wing tandem-seat turboprop training aircraft manufactured by Pilatus Aircraft of Switzerland. The PC-9 is a more powerful evolution of the PC-7.It retains the overall layout of its predecessor but has very littlestructural commonality with it. Amongst other improvements, the PC-9features a larger cockpit with stepped ejection seats and also has aventral airbrake.