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The Robinson R44 is a four-place, light helicopter produced by the Robinson Helicopter Company since 1992. Based on the company's two-place Robinson R22, the R44 features hydraulically-assisted flight controls. The R44 was first flown on 31 March 1990, and received FAA certification in December 1992, with the first delivery in February 1993.

Design and development

An Arena Aviation R44 Raven II with a high definition camera system


The R-44 is a single-engined helicopter with a semi-rigid two-bladed main rotor and a two-bladed tail rotor and a skid landing gear. It has an enclosed cabin with two rows of side-by-side seating for a pilot and three passengers. Tail rotor direction of rotation on the R44 is reversed compared to the R22 for improved yaw control authority. On the R44 the advancing blade is on the bottom.

Designed during the 1980s by Frank Robinson and his staff of engineers, the R44 first flew on March 31, 1990. The R44 Astro was awarded an FAA Type Certificate in December 1992, with the first deliveries taking place in January 1993. In January 2000, Robinson introduced the Raven with hydraulically-assisted controls and adjustable pedals. In July 2002, Robinson introduced the Raven II featuring a more powerful, fuel-injected engine and wider blades, allowing a higher gross weight and improved altitude performance.

In 1997, a Robinson R44 was piloted by Jennifer Murray for the first helicopter circumnavigation of the world by a woman, covering a distance of 36,000 miles in 97 days.

Operators

The aircraft is operated by many private individuals, companies and flying clubs.





Military operators



Specifications (R44 Raven II)





See also

References

External links




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