(1). (50–3000) kg, manned/unmanned, single-engine / single-electric-motor, single-rotor helicopter / coaxial contra-rotating twin-rotor helicopter / tandem twin-rotor helicopter / tiltrotor aircraft / multirotor aircraft;

(2). (3–6) tonnes, manned/unmanned, twin-engine / twin-motor / hybrid (gasoline-electric) power, coaxial contra-rotating twin-rotor helicopter.

• 1127 kW face gear main reducer for 600 kg unmanned single‑rotor helicopter  

• 155 kW face gear main reducer for 1‑ton, unmanned/manned, single‑engine, single‑rotor two‑seat helicopter  

• 155 kW single‑input face gear coaxial contra‑rotating main reducer for 1‑ton, unmanned/manned, single‑engine, twin‑rotor helicopter  

• Dual‑input face gear coaxial contra‑rotating main reducer for 4–6 ton, twin‑engine, twin‑rotor helicopter