Fuel tank
5-cylinder air-cooled radial engine Armstrong Siddeley Genet in front, 80 hp nominal power and 88 hp take-off power (later replaced with Walter Vega NZ 5-cylinder radial engine, 85 HP nominal power, and Cirrus III 4-cylinder straight engine, 85 HP nominal and 94 take-off power). Two-blade wooden propeller of a fixed pitch. Fuel tank 100 L before a cockpit. Fuel consumption - 22 L/hour.