Shenyang HU-2 PetrelThe Shenyang HU-2 Petrel is a Chinese self-launching motor-glider built by the Shenyang Sailplane Factory at Shenyang.DesignThe Petrel is a two or three-seat self-launching motor-glider made from wood and fabric that looks like a conventional high-wing monoplane. It is powered by a front-mounted Limbach L 2000 E01 piston engine.