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336:(TAIC) released a report summarizing 14 mast-bumping accidents or incidents involving Robinson helicopters in New Zealand, in which 18 people died. The TAIC report noted "Helicopters with semirigid, two-bladed main rotor systems, as used on Robinson helicopters, are particularly susceptible to mast bumping in "low-G" conditions".
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In 2013, Robinson was the global market leader, selling 523 light helicopters, a 1% increase from 2012. Production in 2014 dropped to 329 aircraft. In 2015, Robinson produces one R22, four or five R44s, and one or two R66s per week, and has contracted with Rolls-Royce to supply 100 RR300 turbines per
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Robinson helicopters use a patented design for their main rotor, with a triple-hinged rotor assembly "teetering" atop an extended mast. Several
Robinson helicopters have been destroyed in incidents where mast bumping was determined to have occurred. A May 2018 article in the
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Plans for production of the
Robinson R66 were announced in March 2007. It is a five-seat helicopter of similar configuration to the R44, but with the addition of a luggage compartment, wider cabin by 8 in (20 cm), and powered by a
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maneuver or turbulent weather). The reduction of load triggers excessive flapping in the helicopter's rotor blades, which can cause the entire rotor assembly to shear off the aircraft.
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227:. Since delivering its first helicopter in 1979, Robinson Helicopter has produced over 12,000 aircraft. Robinson helicopter celebrated 50 years in business in June 2023.
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In 2018, a U.S. lawsuit accused the
Robinson Helicopter Company of defective manufacturing after a mast-bumping event caused the in-flight breakup of an R66 helicopter.
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is a dangerous condition helicopters can encounter when load on the helicopter's rotor assembly is temporarily reduced during flight (for example, during a low-
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508:"Final Report, Aviation Inquiry AO-2014-006, Robinson R44 II, ZK-HBQ, mast-bump and in-flight break-up, Kahurangi National Park, 7 October 2014"
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555:"Danger spins from the sky: The Robinson R44, the world's best-selling civilian helicopter, has a long history of deadly crashes"
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The R66 is the only turboshaft powered helicopter in
Robinson's lineup. Robinson also produces the Robinson Helipad, a modular
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529:"TAIC publishes interim report on July 2018 fatal Robinson R44 helicopter accident over Lake Wanaka"
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reported
Robinson helicopters seemed to have increased susceptibility to mast-bumping incidents.
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438:"Robinson Boosts Production as Sales Surge, Strikes Deal for 1,000 Rolls-Royce Turboshafts"
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year for 10 years for the R66. The factory can produce up to 1,000 helicopters per year.
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manufacturer. As of 2024, Robinson produces three models: the two-seat
601:"Lawsuit Claims Robinson Defects Caused Fatal 2016 Crash in Arizona"
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New
Zealand Transport Accident Investigation Commission
471:. Robinson Helicopter Company. Accessed May 12, 2010.
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pp. 13–14, Arcadia
Publishing, Charleston, SC, 2006.
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Manufacturing companies based in
Greater Los Angeles
580:"Robinson helicopters: mast bumping accidents in NZ"
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482:"Robinson Tri-Hinge Rotor Head R22 Helicopter"
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587:Transport Accident Investigation Commission
515:Transport Accident Investigation Commission
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400:"Robinson Helicopter celebrating 50 years"
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114:Kurt Robinson (President & Chairman)
719:Companies based in Torrance, California
357:"Robinson Produces 10,000th Helicopter"
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630:Robinson Helicopter Company website
215:The company was founded in 1973 by
359:(Press release). November 14, 2011
268:designed for light helicopters.
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27:American helicopter manufacturer
605:Rotor & Wing International
553:Christensen, Kim; Welsh, Ben.
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436:Huber, Mark (March 3, 2015).
666:Robinson Helicopter Company
442:Aviation International News
424:Russian Helicopter magazine
167:Robinson Helicopter Company
70:; 51 years ago
33:Robinson Helicopter Company
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467:December 16, 2009, at the
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310:Mast-bumping controversy
219:, a former employee of
292:Robinson R44 Raven II
304:Robinson R66 Turbine
235:gas turbine engine.
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189:, both of which use
175:Torrance, California
98:Torrance, California
488:. February 23, 2018
141:Number of employees
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18:Robinson Helicopter
225:Hughes Helicopters
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462:Robinson Helipads
387:978-0-7385-4662-9
379:Torrance Airport,
327:Los Angeles Times
280:Robinson R22 Beta
233:Rolls-Royce RR300
177:, is an American
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87:Frank D. Robinson
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361:. Retrieved
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259:Robinson R66
254:Robinson R44
249:Robinson R22
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200:, which use
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155:robinsonheli
93:Headquarters
47:Company type
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533:taic.org.nz
202:Rolls-Royce
169:, based at
135:200 million
123:Helicopters
703:Categories
363:August 25,
343:References
179:helicopter
110:Key people
59:Aerospace
668:aircraft
611:June 16,
564:July 10,
538:June 16,
492:June 16,
465:Archived
447:March 5,
409:March 8,
243:Products
191:Lycoming
119:Products
55:Industry
266:helipad
211:History
150:Website
129:Revenue
83:Founder
73: (
65:Founded
50:Private
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583:(PDF)
511:(PDF)
426:p. 13
145:1,300
613:2019
566:2019
540:2019
494:2019
449:2015
411:2023
383:ISBN
365:2018
223:and
165:The
157:.com
133:US$
75:1973
68:1973
688:R66
683:R44
678:R22
198:R66
187:R44
183:R22
173:in
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