The Diamond DA42 VI is easy to fly and burns fuel like a single, but with the
added safety of a second engine. Impressive cross-country performance
pleases private pilots and business owners alike, while the
low operating costs make it an ideal advanced trainer.
No wonder it’s the best selling piston twin, by far.
The Diamond DA42 Twin Star is a four seat, twin engine and propeller-driven airplane. Manufactured by Diamond Aircraft Industries, its airframe is made largely of composite materials.
The DA42 Twin Star was certified in Europe in 2004 and in the United States in 2005. The airplane is made of carbon composite material. It is equipped with a Garmin G1000 glass cockpit.
The DA42 Twin Star was the first diesel-powered fixed-wing aircraft to make a non-stop crossing of the North Atlantic in 12.5 hours. With an average fuel consumption of 21.73 litres (4.78 imp gal; 5.74 US gal) per hour (10.86 litres (2.39 imp gal; 2.87 US gal) per hour per engine). In June 2010 a DA42 powered by Austro AE300 engines became the first aircraft to be publicly flown on algae-derived jet fuel.
By March 2012 the DA42 had become the major income driver at Diamond Aircraft. Company CEO Christian Dries indicated that the market focus of the company had been changed by the recession of 2008—2010. The the company now derives two-thirds of its revenue from military and government contracts, primarily for manned and unmanned (Aeronautics Defense Dominator) surveillance aircraft.
Also in March 2012 Diamond aircraft announced they were developing a fly-by-wire version of the DA42, with the aim of reducing the accident rate in light aircraft. The system is expected to eventually include flight envelope protection, turbulence righting and autoland capabilities. The system will also include damage-tolerant by-pass capabilities, allowing flight with jammed or missing controls. The autonomous DA42 was flown and landed without ground support in 2015.