The Robinson R44 Raven II is a four-seat light utility helicopter powered by a single fuel-injected, angle-valve, tuned-induction, Lycoming IO-540 piston engine. The Robinson R44 is built and developed by the Robinson Helicopter Company in Torrance, California. Design of the Model R44 began in 1985. The first prototype flew on 31 March 1990 and the second in January 1991. Sales efforts got under way in March 1992 at a base price of 235.000 US-Dollars. FAA Type Certification for the R44 Astro was achieved on 10 December 1992, and the first Robinson R44 Astro was delivered in February 1993. In 2000, the R44 Astro was replaced as the main production model by the hydraulically-assisted R44 Raven. The development from the first R44 Astro in 1993, via the R44 Raven I to the first R44 Raven II delivered in 2002, has been remarkable. For the pilot the most important difference is the conversion from a carbureted engine on the Astro to injection and hydraulic controls on the Raven II. Today the four-seat Model R44 is the world's most popular helicopter of with over 6400 delivered to customers all over the world.
The ICAO Aircraft Type Designator for the R44 Raven II helicopters is R44.

On 30 March 2006, Robinson R44 Raven II s/n 11078 was registered EI-EGR in Ireland with JC Southern Copters. On 10 April 2008, registration EI-EGR was cancelled as exported to France. On 16 May 2008, the Robinson R44 Raven II was registered F-HIZY in France with Fortis Lease as owner. On 27 Novembver 2012, registration F-HIZY was cancelled and the helicopter was registered PH-KTM with Eric Richter Heliservice B.V., Melick, as holder, on 3 January 2013. Since January 2018, the PH-KTM is operated by HeliAir Helikopter Services. In the summer of 2018, the grey 2006-built helicopter was repainted in green/black colors.
On 22 August 2019, Robinson R44 Raven II PH-KTM was seen at Hoogeveen airfield.

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