Specifications (Sikorsky S-61N Mk II)

General characteristics

 * Crew: 2 pilots
 * Capacity: up to 30 passengers
 * Length: 58 ft 11 in (17.96 m)
 * Rotor diameter: 62 ft (18.9 m)
 * Height: 17 ft 6 in (5.32 m)
 * Disc area: 3,019 sq ft (280.6 sq m)
 * Empty weight: 12,336 lb (5,595 kg)
 * Loaded weight: lb (kg)
 * Max takeoff weight: 19,000 lb (8,620 kg)
 * Powerplant: 2 General Electric CT58-140 turboshafts, 1,500 shp (1,120 kW) each

Performance

 * Maximum speed: 166 mph (267 km/h)
 * Cruise speed: 120 kn (222 km/h)
 * Range: 450 NM (833 km)
 * Service ceiling: 12,500 ft (3,810 m)
 * Rate of climb: 1,310-2,220 ft/min (400-670 m/min)