PZL-Swidnik SM-4 "Latka"


Three-seat helicopter with enclosed cabin, open-frame rear fuselage, skid u/c, GRP main rotor and one 180hp Narkiewicz WN-6S piston engine mounted at an angle behind cabin section. Prot. FF 1962.

R.Simpson "Airlife's Helicopter and Rotorcraft", 1998

The WSK-Swidnik SM-4 Latka is a Polish three-seater light helicopter. The SM-4 Latka is powered by a Narkiewicz WN-6S six-cylinder horizontally-opposed air-cooled engine providing a cruising speed of 115km/h and a range of 300km.