Robust Russian STOL (short takeoff and landing) single-engine utility biplane. Kit features fine engraved panel lines, well appointed cockpit (rear bulkhead has optional position door), fully represented cargo bay interior (with optional 12 optional passenger seats), separately molded loading door, single-piece radial engine, optional position cowl flaps, choice of detailed wheeled or ski undercarriage, separately molded control surfaces, filigree exterior fittings (flaperon actuators, antennae, generator), propeller with individual blades and counterweights