Soong KH-4

KH-4
Role	Utility helicopter
National origin	Monsilva
Manufacturer	Soong Aerospace Company
First flight	August 1962
Number built	211

The Soong KH-4 is a light utility helicopter produced in Monsilva in the 1960s and 70s. A total of 211 KH-4s were built, the vast majority of these were bought by civil operators, although some were purchased by the Monsilvan Air Force.

Specifications

General characteristics

• Crew: 1
• Capacity: 3 passengers
• Length: 13.30 m (43 ft 8 in) (overall length), 9.93 m (32 ft 7 in) (fuselage length)
• Height: 2.84 m (9 ft 4 in)
• Empty weight: 816 kg (1,799 lb)
• Max takeoff weight: 1,293 kg (2,851 lb)
• Main rotor diameter: 11.32 m (37 ft 2 in)
• Main rotor area: 100.6 m² (1,083 sq ft)

Performance

• Maximum speed: 169 km/h (105 mph, 91 kn)
• Cruise speed: 140 km/h (87 mph, 76 kn)
• Range: 400 km (250 mi, 220 nmi)
• Endurance: 4 hr 6 min
• Service ceiling: 5,640 m (18,500 ft)
• Rate of climb: 4.3 m/s (850 ft/min)

See also

• Soong Aerospace Company
• Soong Heavy Industries