DF Helicopters DF334

Dragon Fly 333, DF334

DF334 during flight test
Role	Utility helicopter
National origin	Italy
Manufacturer	Dragon Fly srl, DF Helicopters Srl
Designer	Angelo and Alfredo Castiglioni
First flight	1989

The DF Helicopters DF334 is a two-seat, single-engine light utility helicopter in development by DF Helicopters Srl in Northern Italy. The DF 334 is a development of the Dragon Fly 333, developed by archaeologists and filmmakers Angelo and Alfredo Castiglioni in the 1980s. The DF334 has a larger, full composite cabin, a Rotax 914 4-stroke turbocharged engine, a governor fuel control, and an advanced Electronic Flight Instrument System. The helicopter is intended for both amateur and professional pilots.

DF Helicopters was acquired in 2010 by a Swiss Group, Avio International Group.

Specifications

General characteristics

Crew: One pilot
Capacity: One passenger
Length: 5.86 m (19 ft 3 in)
Main rotor diameter: 6.82 m (22 ft 5 in)
Height: 2.36 m (7 ft 9 in)
Main rotor area: 36.5 m² (393 ft²)
Empty weight: 290 kg (640 lb)
Gross weight: 500 kg (1,100 lb)
Powerplant: 1 × Rotax 914, 84 kW (115 hp)

Performance

Maximum speed: 148 km/h (92 mph)
Cruising speed: 120 km/h (75 mph)
Range: 300 km (190 miles)
Service ceiling: 3,100 m (10,000 ft)
Rate of climb: 6.5 m/s (1,280 ft/min)

References

Jane's All the World's Aircraft 2004-05. London: Jane's Information Group.
Simpson, R. W. (1998). Airlife's Helicopters and Rotorcraft. Ramsbury: Airlife Publishing. pp. 216.
Aviazione Sportiva (108). March 2008.

External links

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