(Diamond) DA42 Twin Star @·AIRCRAFTUBE

  • Diamond DA42 Twin Star Diamond DA42 Twin Star
    Diamond DA42 Twin Star
  • Diamond DA42 Twin Star Diamond DA42 Twin Star
    Diamond DA42 Twin Star
  • DA42 MPP (Paris Air Show 2009) DA42 MPP (Paris Air Show 2009)
    DA42 MPP (Paris Air Show 2009)
  • Single engine Single engine
    Single engine
  • With Mag Booms With Mag Booms
    With Mag Booms

Diamond DA42

The Diamond DA42 Twin Star is a four seat, twin engine, propeller-driven airplane manufactured by Diamond Aircraft Industries. Its airframe is made largely of composite materials.

Development

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 and that 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.

Design

The DA 42 is a composite constructed twin-engined, low-wing cantilever monoplane with a retractable tricycle landing gear and a T-tail. The enclosed cabin has four-seats with a front-hinged canopy for access to the front seats and a top-hinged door on the left-side for access to the rear-seats. Powerplants

The DA42NG "New Generation" is powered by Diamond's 3rd Generation Austro Turbo Diesel Engine. The Lycoming IO-360 engine is also available as an option. The 125 kW (168 hp) Austro diesel replaces the Thielert Centurion 1.7 and 2.0 engines. It is known for its good fuel efficiency, it uses 12.1 litres (2.7 imp gal; 3.2 US gal) per hour while loitering at maximum endurance or 30 litres (7 imp gal; 8 US gal) per hour at maximum continuous power (92%). It is also available with optional "on top" exhaust mufflers that reduce noise levels to below 59 decibels at a height of 500 feet (150 m).

Thielert Aircraft Engines ended its production of the 1.7 litre Centurion engines (designated as TAE 125-01 Centurion 1.7) in favour of a new 2.0 litre. (TAE 125-02-99) engine. Diamond began installing this new 2.0 L. engine in early 2007. Although engine displacement increased, it was de-rated to produce the same power 101 kW (135 hp) and torque 409 N·m (302 lbf·ft) as the 1.7 L. engine.

In late 2007, Diamond aircraft announced it would begin building and installing its own aerodiesels, through a subsidiary, Austro Engine GmbH, and with other partners that included Mercedes Benz Technologies. The use of Thielert engines on the DA42 came into question due to Thielert filing for insolvency in April 2008.

Due to the insolvency of Thielert and the decisions of the insolvency administrator, including cancelling warranty support and the prorating of time-between-overhaul for the Thielert engines that power the DA42, Diamond announced in July 2008 that production of the DA42 was suspended. At the time production was suspended the DA42 was reported to have 80 percent of the piston twin market.

In March 2009 Diamond achieved EASA certification for the Austro Engine AE 300 and returned the DA42 to production as the DA42 NG. The new engine produces 20% more power, while giving better fuel economy than the Thielert engines and results in a higher gross weight and increased performance. The first Austro-powered DA42 was delivered to a customer in Sweden in April 2009, with the first US customer aircraft expected in mid-2010. The Austro-powered DA42 NG received FAA certification on 9 April 2010.

Variants

  • DA42 : Production aircraft built in Austria and Canada
  • DA42 M : Special Mission variant built in Austria, modification from standard DA42 and new production.
  • DA42 L360 : Lycoming IO-360 134 kW (180 hp) equipped version using 100LL fuel instead of Jet-A1. This model is intended for the North American flight training market.
  • DA42 NG : Austro Engine AE 300 127 kW (170 hp) equipped version. EASA certified March 2009; FAA certified April 2010; Transport Canada certified 16 April 2012.
  • DA42 MPP : Diamond Airborne Sensing a wholly owned subsidiary of Diamond produces the MPP or "Multi Purpose Platform" variant which is modified to carry aerial sensing, mapping and surveillance payloads. The UK Ministry of Defence specified the DA42 MPP variant for its surveillance systems project, converted by DO Systems. Two ordered in June 2008.
  • DA42 MPP Centaur OPA : Aurora Flight Sciences developed an Optionally Piloted Aircraft (OPA) as an Intelligence, Surveillance and Reconnaissance (ISR) platform and can be operated as either unmanned or with pilots on board. One in service with the Swiss military procurement agency Armasuisse.
  • Dominator II : Aeronautics Defense Systems Ltd developed an UAV version of the DA42, designated as the Aeronautics Defense Dominator and first flown in July 2009. Has an endurance of 28 hours with a 408 kg (899 lb) payload and speed of 140-354 km/h (75-190 knots) to a maximum altitude of 9,144 m (30,000 ft).
  • DA42-VI : Improved DA42 introduced in March 2012 with new propeller and aerodynamic clean-ups to the rudder and engine cowling, resulting in greatly increased cruise speed performance.

Civil operators

  • The DA42 is mainly operated by flight training schools, aerial surveillance and mapping operators.

Military operators

  • Argentina : Argentine Army - 3 DA-42M surveillance aircraft.
  • Ghana : Ghana Air Force - 2 DA42M surveillance aircraft and 1 DA42 training aircraft.
  • Niger : Niger Air Force - 2 DA42M surveillance aircraft.
  • Thailand : Royal Thai Air Force - 6 on order. Delivery in mid-2009.
  • Switzerland : Swiss military procurement agency Armasuisse - 1 - Delivery in end of 2012.
  • Turkmenistan : Turkmenistan - 5 x DA-42MPP Guardian.
  • Ukraine : Border Guard Service operates three DA42 planes for border patrol missions. One aircraft was lost and its crew killed in a 2012 accident in Zakarpattia.
  • United Kingdom : Royal Air Force - 2 x DA-42MPP operated in 2008 and 2009 in surveillance role.

Aircraft on display

Technisches Museum Wien - prototype DA42.

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This text is available under the Creative Commons Attribution-ShareAlike License
Source : Article Diamond DA42 of Wikipedia ( authors )

Diamond DA42

  • Role : Light twin-engined utility and trainer aircraft.
  • National origin : Austria.
  • Manufacturer : Diamond Aircraft Industries.
  • First flight : 9 December 2002.
  • Introduction : 2005.
  • Unit cost : US$600,000.
  • Variants : Aeronautics Defense Dominator.

    • Specifications (DA42 Twin Star)

  • Crew : 1 pilot.
  • Capacity : 3 passengers.
  • Cargo : 532 kg (1,173 lb).
  • Length : 8.56 m (28 ft 1 in).
  • Height : 2.49 m (8 ft 2 in).
  • Wingspan : 13.42 m (44 ft).
  • Wing area : 16.29 m² (175.3 sq ft).
  • Wing loading : 22,3 lb/sq in (109.6 kg/m²).
  • Empty weight : 1,251 kg (2,758 lb).
  • Gross weight : 1,700 kg (3,748 lb).
  • Max. speed : 356 km/h (221 mph; 192 kts).
  • Max. cruise speed : 316 km/h (196 mph; 170 kts).
  • Range : 1,693 km (1,052 mi; 914 nmi).
  • Service ceiling : 5,486 m (18,000 ft).
  • Rate of climb : 6.5 m/s (1,280 ft/min).
  • Powerplant : Two Austro turbocharged diesel engines.
  • Power : 125 kW (168 hp) each.
  • Fuel : Jet A1 : (197 L).

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