General characteristics:

• Crew: 1
• Length: 28 ft 8 in (8.7 m)
• Rotor diameter: 25 ft 4 in (7.7 m)
• Height: 8 ft 11 in (2.7 m)
• Disc area: 497 ft² (46.2 m²)
• Empty weight: 796 lb (389 kg)
• Loaded weight: 920 lb (417 kg)
• Max takeoff weight: 1,370 lb (635 kg)
• Powerplant: 1× Lycoming O-320-A2B or -A2C flat 4 piston engine, 124 hp (93 kW)
• Main tank total capacity: 19.8 US gallons (75 liters)
• Main tank usable capacity: 19.2 US gallons (73 liters)
• Optional aux tank total capacity: 10.9 US gallons (41 liters)
• Optional aux tank usable capacity: 10.5 US gallons (40 liters)

Performance:

• Never exceed speed: 117 mph, 189 km/h, 102 kts
• Cruise speed: 99 mph, 160 km/h, 86 kts
• Range: 240 mi (386 km)
• Service ceiling: 14,000 ft (4,267 m)
• Rate of climb: 1,200 ft/min (6.1 m/s)
• Disc loading: 2.61 lb/ft² (13.7 kg/m²)
• Power/mass: 0.095 hp/lb (0.147 kW/kg)
• Endurance: approx. 2 hours, with 30-minute reserve