Robinson R44

The Robinson R44 is a four-place light helicopter based on the two-place Robinson R22. The R44 features hydraulically-assisted flight controls.

First flight was March 31, 1990 receiving FAA certification in December 1992. The 1000th R44 was delivered by February 2001. It has been the world's best-selling general aviation (GA) helicopter every year since 1999 and is the most produced GA aircraft of the 21st century with 5,800 deliveries between 2000 and 2017 from Torrance, California

Specifications R44

Engine	1 x Lycoming O-540
Capacity	1 + 3
Length (m)	9
Height (m)	3.3
Blades	2
Rotor diam. (m)	10
Disc area (m2)
Weight (kgs)	Empty: 650 Max: 1100
Speed (km/h)	Cruise: 200 Max: 240
Range (km)	560
Ceiling (m)	Max: 4000
Rate/Climb (m/min)

Derivatives & Versions of R44

Model	Year	History
R44 Astro 1992	1992
R44 Police 1997	1997	Raven or Raven II equipped for police duties. : Receives FAA certification in July 1997
R44 Newscopter 1998	1998
R44 Clipper 1999	1999
R44 Raven 2000	2000
R44 II 2002	2002
R44 Raven II 2002	2002
R44 Clipper II 2003	2003
R66 2007	2007	The Robinson 66 is a five-seat turbine-powered helicopter slightly faster and smoother than the previous R44 and it also features a separate c ...
R44 Cadet 2015	2015	A two-place R44 introduced in 2016 developed with the training market in mind. The airframe, rotor system, and power plant are the same as the ...
Rotor R550 2023	2023	The Rotor R550 is an uncrewed utility helicopter drone developed by Rotor Technologies, Inc. in Nashua, NH, based on the Robinson R44 Raven II