After working for Bell, Kaman, Cessna and then Hughes, Frank Robinson formed Robinson Helicopters in 1971 to design and build a low-cost, piston engined, two-seat lightweight helicopter as the R22, which first flew in August 1975. Deliveries started 1979 and over 2,700 since sold in several versions, including improved R22 Alpha and Beta, Mariner with floats, IFR Trainer for instrument training, Law Enforcement and Agricultural versions. A four-seat development first flown March 1990 as the R44 Astro, with deliveries from 1993. Variants include IRF Trainer, Newscopter for media operations, and Police Helicopter.
1995: 24747 Crenshaw Blvd, Torrance, CA 90505, USA.