The Robinson R44 Raven I is a light utility helicopter for up to 1 crew and 3 passengers, powered by a single carburetted Lycoming O-540-F1B5 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. Today the four-seat Model R44 is the world's most popular helicopter of which already over 6300 are delivered to customers all over the world. The ICAO Aircraft Type Designator for the R44 Raven I helicopters is R44.

On 23 June 2011, Air Technology Belgium reserved registration OO-AIR for Robinson R44 Raven I s/n 2159. Registration OO-AIR was not taken up and on 13 January 2012, Robinson R44 Raven I s/n 2159 was registered OO-PMQ with Paramount Helicopters, Diest. In 2013,the Robinson Raven I OO-PMQ was registered with Regipharm, Saint-Ode. When seen at Heliport Amsterdam, the 2011-built Robinson R44 Raven I OO-PMQ wear Regipharm Belgian team titles.

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