DF Helicopters DF334 explained

The DF Helicopters DF334 is a two-seat, single-engine light utility helicopter in development by Dragon Fly Helicopters^[1] 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 the Swiss Avio International Group.^[2]

References

• Book: Jane's All the World's Aircraft 2004–05 . Jane's Information Group . London .
• Book: Simpson, R. W. . Airlife's Helicopters and Rotorcraft . 1998 . Airlife Publishing . Ramsbury . 216 .
• DF Helicopters DF334 . Aviazione Sportiva . 108 . March 2008 .

External links

• Avio International
• Manufacturer's website

Notes and References

1. Web site: Dragon Fly Helicopters. Aviointernational.com. 2018-09-27. 14 August 2020. https://web.archive.org/web/20200814101142/https://www.aviointernational.com/dragon-fly-helicopters. dead.
2. Web site: Avio International Group Holding S.A . Aviointernational.com . 2013-09-07 . 14 August 2020 . https://web.archive.org/web/20200814110353/https://www.aviointernational.com/ . dead .