{"id":31774477,"date":"2026-11-08T11:05:45","date_gmt":"2026-11-08T10:05:45","guid":{"rendered":"https:\/\/migflug.com\/afterburner\/robinson-r22-r44-training-helicopters-sfar-73-explained\/"},"modified":"2026-11-08T11:14:46","modified_gmt":"2026-11-08T10:14:46","slug":"robinson-r22-r44-training-helicopters-sfar-73-explained","status":"publish","type":"post","link":"https:\/\/migflug.com\/afterburner\/robinson-r22-r44-training-helicopters-sfar-73-explained\/","title":{"rendered":"Robinson R22 and R44: The Training Helicopters Behind SFAR 73"},"content":{"rendered":"<style>.et_pb_title_container h1.entry-title { padding-top: 40px !important; }<\/style>\r\n<!-- mfsh:top -->\r\n\r\n<style>\r\n.mfsh-trigger{display:inline-flex;align-items:center;gap:10px;height:44px;padding:0 18px;margin:0 0 26px;border:2px solid 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They are Robinsons, and for decades they have been where most helicopter pilots learned to hover.<\/p>\r\n\r\n<p>The two-seat Robinson R22 and the four-seat R44 made helicopter flying affordable in a way nothing before them had. They also came with a special federal regulation, SFAR 73, written specifically for them.<\/p>\r\n\r\n<p>Why would the FAA single out one manufacturer&rsquo;s helicopters for extra training rules? The answer says a lot about how these machines fly, and about what every new Robinson pilot has to learn first.<\/p>\r\n\r\n\r\n<div style=\"background:#f4f6f9;border:1px solid #e2e7ee;padding:18px 22px;margin:22px 0 26px\"><p style=\"margin:0 0 8px;font-weight:700;color:#0d1117\">Quick Facts<\/p><ul style=\"margin:0;padding-left:18px\"><li style=\"margin:4px 0\"><strong>R22:<\/strong> Two-seat, single piston engine, two-bladed teetering rotor; designed from 1973, FAA certified 1979<\/li><li style=\"margin:4px 0\"><strong>R44:<\/strong> Four-seat development; first flight 31 March 1990, certified December 1992<\/li><li style=\"margin:4px 0\"><strong>Controls:<\/strong> R22: unboosted push-rod controls and a T-bar cyclic; R44 Raven and later: hydraulically assisted<\/li><li style=\"margin:4px 0\"><strong>SFAR 73:<\/strong> Special FAA training rule for the R22 and R44, first issued in 1995<\/li><li style=\"margin:4px 0\"><strong>Ground training:<\/strong> Energy management, mast bumping, low rotor rpm and rotor stall, low G, rotor rpm decay<\/li><li style=\"margin:4px 0\"><strong>Solo (no helicopter rating):<\/strong> At least 20 hours of dual in the model; endorsement valid 90 days<\/li><li style=\"margin:4px 0\"><strong>Pilot in command:<\/strong> 200 helicopter hours incl. 50 in type, or 10 hours of specific training plus endorsement<\/li><li style=\"margin:4px 0\"><strong>Expiry:<\/strong> SFAR 73 expires 22 August 2029 unless revised<\/li><\/ul><\/div>\r\n\r\n\r\n<h2 style=\"padding-top:22px\">Frank Robinson&rsquo;s cheap helicopter<\/h2>\r\n\r\n<p>Frank Robinson, who had worked at Bell Helicopter and Hughes Helicopters, founded the Robinson Helicopter Company in 1973 and began designing the R22 the same year. It was a deliberately simple machine: a two-seat cabin, a Lycoming piston engine, a two-bladed semi-rigid &ldquo;teetering&rdquo; main rotor and a two-bladed tail rotor. The FAA certified it in 1979, and deliveries began that year.<\/p>\r\n\r\n<p>Simplicity meant low cost, and low cost changed the industry. The Smithsonian, which holds an early R22 flown during its certification trials at the Steven F. Udvar-Hazy Center, sums it up neatly.<\/p>\r\n\r\n\r\n<div style=\"background:#f8f9fa;border-left:4px solid #1565c0;padding:20px 22px;margin:18px 0 24px;font-size:16px;line-height:1.7\"><div><em>&ldquo;The R22&rsquo;s low acquisition and operating costs reduced the financial barriers to helicopter training&rdquo;<\/em><div style=\"margin-top:10px;font-size:14px;color:#555\"><strong>Smithsonian National Air and Space Museum<\/strong> &mdash; On the Robinson R22 in its collection<\/div><\/div><\/div>\r\n\r\n\r\n<p>The R22 became a primary trainer around the world, as well as an entry-level private helicopter and a working tool for mustering cattle on big ranches and stations. Thousands have been built: the Smithsonian counted more than 3,700 by the end of 2004.<\/p>\r\n\r\n\r\n<figure class=\"wp-block-image size-large\" style=\"margin:0 0 24px;width:100%\"><img decoding=\"async\" class=\"skip-lazy\" data-no-lazy=\"1\" loading=\"eager\" width=\"1024\" src=\"https:\/\/migflug.com\/afterburner\/wp-content\/uploads\/sites\/4\/2026\/11\/robinson-r22-beta-ii-d-hubz-hover-uetersen.jpg\" alt=\"A white and blue Robinson R22 Beta II helicopter, D-HUBZ, hovering low over grass at Uetersen airfield in Germany\" style=\"width:100%;height:auto;max-width:100%;display:block\"><figcaption style=\"font-size:13px;color:#777;text-align:center;margin-top:6px;font-style:italic\">An R22 Beta II, D-HUBZ, in a low hover at Uetersen in Germany. Hovering a light, low-inertia R22 is the first big challenge for most student helicopter pilots. Photo: Huhu Uet \/ CC BY-SA 3.0<\/figcaption><\/figure>\r\n\r\n\r\n<h2 style=\"padding-top:22px\">The R44 and the four-seat market<\/h2>\r\n\r\n<p>The R44 followed. It first flew on 31 March 1990 and was certified in December 1992, scaling up the R22 concept to four seats with a larger engine. The Raven, introduced in 2000, added hydraulically assisted controls, and the Raven II of 2002 brought a more powerful fuel-injected engine.<\/p>\r\n\r\n<p>The R44 made its own headlines. In 1997, Jennifer Murray flew R44 G-MURY around the world with instructor Quentin Smith, becoming the first woman to fly a helicopter around the globe. In 2000 she did it again, solo. That helicopter is now at the Smithsonian too.<\/p>\r\n\r\n\r\n<figure class=\"wp-block-image size-large\" style=\"margin:0 0 24px;width:100%\"><img decoding=\"async\" class=\"skip-lazy\" data-no-lazy=\"1\" loading=\"eager\" width=\"1024\" src=\"https:\/\/migflug.com\/afterburner\/wp-content\/uploads\/sites\/4\/2026\/11\/robinson-r44-raven-ii-n812bz-waimea-canyon.jpg\" alt=\"An orange Robinson R44 Raven II four-seat helicopter, N812BZ, in flight over Waimea Canyon in Hawaii\" style=\"width:100%;height:auto;max-width:100%;display:block\"><figcaption style=\"font-size:13px;color:#777;text-align:center;margin-top:6px;font-style:italic\">An R44 Raven II over Waimea Canyon, Kauai. The four-seat R44 scaled up the R22 formula with a bigger engine. Photo: formulanone \/ CC BY-SA 2.0<\/figcaption><\/figure>\r\n\r\n\r\n<h2 style=\"padding-top:22px\">Light controls, low inertia<\/h2>\r\n\r\n<p>Robinsons have a reputation for being sensitive, and it is earned. The R22&rsquo;s flight controls are connected by push rods with no hydraulic boost, and its rotor has very low inertia. The controls reward a light touch and punish overcorrection, which is one reason pilots who master an R22 tend to transition easily to bigger helicopters.<\/p>\r\n\r\n<p>Low rotor inertia also means rotor rpm can decay quickly if the engine fails or the pilot mishandles the collective. Let it decay far enough and the blades stall, which is why low rotor rpm, rotor stall and prompt autorotation are such central parts of Robinson training.<\/p>\r\n\r\n\r\n<div style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:24px 0 8px\"><iframe class=\"skip-lazy\" data-no-lazy=\"1\" loading=\"eager\" src=\"https:\/\/www.youtube.com\/embed\/alafyucUf9o\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0\" allowfullscreen><\/iframe><\/div>\r\n\r\n<p style=\"font-size:13px;color:#777;text-align:center;font-style:italic;margin:0 0 24px\">A full-down autorotation in a Robinson R22, filmed by Flying Farmer 44: the manoeuvre at the heart of SFAR 73 flight training.<\/p>\r\n\r\n<p>Then there is the cockpit itself. Instead of a cyclic stick between each pilot&rsquo;s knees, the R22 has a single teetering T-bar that comes up from the console between the seats, with a grip hanging down on each side. When one pilot flies, the other grip rises about a foot above the other seat, so R22 instructors learn to fly with a hand in the air.<\/p>\r\n\r\n\r\n<figure class=\"wp-block-image size-large\" style=\"margin:0 0 24px;width:100%\"><img decoding=\"async\" class=\"skip-lazy\" data-no-lazy=\"1\" loading=\"eager\" width=\"1024\" src=\"https:\/\/migflug.com\/afterburner\/wp-content\/uploads\/sites\/4\/2026\/11\/robinson-r22-cockpit-t-bar-cyclic.jpg\" alt=\"The cockpit of a Robinson R22 helicopter showing the teetering T-bar cyclic rising from the centre console between the seats\" style=\"width:100%;height:auto;max-width:100%;display:block\"><figcaption style=\"font-size:13px;color:#777;text-align:center;margin-top:6px;font-style:italic\">The R22&rsquo;s distinctive teetering T-bar cyclic rises from the console between the seats, with a grip for each pilot. Photo: NJR ZA \/ CC BY-SA 3.0<\/figcaption><\/figure>\r\n\r\n\r\n<h2 style=\"padding-top:22px\">Mast bumping and the road to SFAR 73<\/h2>\r\n\r\n<p>The teetering rotor brings a specific hazard: mast bumping. If the rotor is suddenly unloaded, for example by pushing the cyclic forward after a climb or by mishandling turbulence, the helicopter can start to roll. Large control inputs in that low-G state can make the rotor hub strike the mast, and in severe cases the rotor separates or the blades hit the fuselage.<\/p>\r\n\r\n<p>According to the FAA, the R22 had a high number of fatal accidents involving main rotor and airframe contact compared with other piston helicopters, and many were linked to pilot performance or inexperience, with low rotor rpm or low-G conditions leading to mast bumping. In 1995 it issued Special Federal Aviation Regulation No. 73, and it applied the rule to the newly certified R44 too because of its similar design. The NTSB followed with a special investigation report in April 1996.<\/p>\r\n\r\n\r\n<div style=\"background:#f8f9fa;border-left:4px solid #1565c0;padding:20px 22px;margin:18px 0 24px;font-size:16px;line-height:1.7\"><div><em>&ldquo;accidents in the R&ndash;22 and R&ndash;44 helicopters have declined markedly since SFAR No. 73 was issued&rdquo;<\/em><div style=\"margin-top:10px;font-size:14px;color:#555\"><strong>Federal Aviation Administration<\/strong> &mdash; Final rule revising SFAR No. 73, Federal Register, 23 July 2024<\/div><\/div><\/div>\r\n\r\n\r\n<h2 style=\"padding-top:22px\">What SFAR 73 actually requires<\/h2>\r\n\r\n<p>SFAR 73 applies to anyone who wants to manipulate the controls, act as pilot in command, give training or conduct a flight review in an R22 or R44. Before touching the controls, a pilot needs ground training from a specially authorised instructor, endorsed in their logbook, covering energy management, mast bumping, low rotor rpm and rotor stall, low-G conditions and recovery, and rotor rpm decay.<\/p>\r\n\r\n<p>To act as pilot in command of an R22, a pilot needs either 200 hours in helicopters with 50 in the R22, or 10 hours of R22 flight training covering autorotations, energy management, rpm control without the governor and low rotor rpm recovery, plus an instructor endorsement. The R44 rules are similar, and up to 25 hours of R22 time can count toward the 50 hours in type.<\/p>\r\n\r\n\r\n<div style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:24px 0 8px\"><iframe class=\"skip-lazy\" data-no-lazy=\"1\" loading=\"eager\" src=\"https:\/\/www.youtube.com\/embed\/i2CT4P76Cqo\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0\" allowfullscreen><\/iframe><\/div>\r\n\r\n<p style=\"font-size:13px;color:#777;text-align:center;font-style:italic;margin:0 0 24px\">Helicopter Training Videos explains the 2024 changes to SFAR 73 for R22 and R44 pilots and instructors.<\/p>\r\n\r\n<p>Students without a helicopter rating need at least 20 hours of dual instruction in the specific model before going solo, and their solo endorsement is valid for 90 days. Instructors need 200 helicopter hours, 50 of them in the type, specific emergency training, and an endorsement from an FAA inspector or designated examiner. Flight reviews and passenger-carrying currency must be done in the model being flown.<\/p>\r\n\r\n<p>In July 2024, the FAA revised the rule. Because Airworthiness Directives issued in 1995 prohibit intentionally inducing low-G flight in the R22 and R44, it removed the requirement to demonstrate low-G manoeuvres in flight training; low-G hazards are now covered in ground training. It also gave the SFAR an expiration date of 22 August 2029, giving the FAA time to decide what should become permanent.<\/p>\r\n\r\n\r\n<div style=\"background:#f8f9fa;border-left:4px solid #d32f2f;padding:20px 22px;margin:18px 0 24px;font-size:16px;line-height:1.7\"><div><em>&ldquo;Never attempt to demonstrate or experiment with low-G maneuvers, regardless of your skill or experience level.&rdquo;<\/em><div style=\"margin-top:10px;font-size:14px;color:#555\"><strong>Robinson Helicopter Company<\/strong> &mdash; Safety Notice SN-11, revised July 2025<\/div><\/div><\/div>\r\n\r\n\r\n<p>Robinson&rsquo;s own safety notices say the same thing more bluntly. Safety Notice SN-11, first issued in 1982 and revised in July 2025, is headed &ldquo;Low-G pushovers &ndash; extremely dangerous&rdquo;, and explains that the rotor must be reloaded with gentle aft cyclic before lateral cyclic can stop a roll.<\/p>\r\n\r\n\r\n<div style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:24px 0 8px\"><iframe class=\"skip-lazy\" data-no-lazy=\"1\" loading=\"eager\" src=\"https:\/\/www.youtube.com\/embed\/_QkOpH2e6tM\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0\" allowfullscreen><\/iframe><\/div>\r\n\r\n<p style=\"font-size:13px;color:#777;text-align:center;font-style:italic;margin:0 0 24px\">A training film on mast bumping: what causes it and how pilots prevent it.<\/p>\r\n\r\n<h2 style=\"padding-top:22px\">Why it still matters<\/h2>\r\n\r\n<p>More than four decades after the first R22 was delivered, the FAA still describes it as frequently used in initial student pilot training, because Robinsons are affordable to buy and to run. SFAR 73 is the price of that bargain: a reminder that a light, simple, low-inertia helicopter demands respect and specific training.<\/p>\r\n\r\n<p>For a new helicopter pilot, that is not a bad way to start. Learn energy management, rotor rpm and low-G hazards in the most demanding small helicopter on the ramp, and every bigger, heavier machine afterwards feels a little more forgiving.<\/p>\r\n\r\n\r\n\r\n<p><em>Sources: 14 CFR Part 61 SFAR No. 73 (eCFR), Federal Register 89 FR 59602 (23 July 2024), Robinson Helicopter Company Safety Notice SN-11, Smithsonian National Air and Space Museum, Wikipedia (Robinson R22; Robinson R44; Robinson Helicopter Company)<\/em><\/p>\r\n<!-- mfsh:bottom -->\r\n\r\n<button type=\"button\" class=\"mfsh-trigger mfsh-bottom\" data-mfsh-placement=\"bottom\" aria-haspopup=\"dialog\"><svg><use href=\"#mfsh-i-share\"\/><\/svg>Share this story<\/button>\r\n\r\n<!-- \/mfsh:bottom -->\r\n\r\n\r\n<style>.mfq{margin:34px 0 8px}.mfq h2{font:26px\/1.3 \"Gilroy semiBold\",Helvetica,Arial,sans-serif;color:#0d1117;padding-top:22px;margin:0 0 6px}.mfq .qa details{border-top:1px solid #5C91FF;margin:0;padding:0}.mfq .qa details:last-of-type{border-bottom:1px solid #e2e7ee}.mfq .qa summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:22px 26px;font:18px\/1.7 \"Gilroy semiBold\",Helvetica,Arial,sans-serif;color:#0d1117}.mfq .qa summary::-webkit-details-marker{display:none}.mfq .qa summary::after{content:\"+\";font:24px Helvetica,sans-serif;color:#3568e0;flex:0 0 auto}.mfq .qa details[open] summary::after{content:\"\\2013\"}.mfq .qa details:hover summary{color:#3568e0}.mfq .qa .a{font:16px\/1.7 \"Gilroy regular\",Helvetica,Arial,sans-serif;color:#454e5e;padding:0 26px 24px}.mfq .qa .a a{color:#3568e0}@media(max-width:680px){.mfq .qa summary{padding:18px 14px;font-size:17px}.mfq .qa .a{padding:0 14px 20px}}<\/style>\r\n\r\n\r\n<section class=\"mfq\"><h2>Frequently Asked Questions<\/h2><div class=\"qa\"><details open><summary>Why do so many pilots learn to fly helicopters in a Robinson R22?<\/summary><div class=\"a\">The Robinson R22 is a simple two-seat piston helicopter with low purchase and operating costs, which made helicopter training far more affordable. The Smithsonian notes that those low costs reduced the financial barriers to helicopter training, and the R22 became a primary trainer at flight schools around the world.<\/div><\/details><details><summary>What is SFAR 73?<\/summary><div class=\"a\">SFAR 73 is a Special Federal Aviation Regulation in 14 CFR Part 61 that sets extra training and experience requirements for anyone who flies, instructs in or conducts flight reviews in a Robinson R22 or R44 helicopter. The FAA first issued it in 1995, and the current version expires on 22 August 2029.<\/div><\/details><details><summary>Why did the FAA create SFAR 73?<\/summary><div class=\"a\">The FAA found that the Robinson R22 had a high number of fatal accidents involving main rotor and airframe contact compared with other piston helicopters, often linked to pilot inexperience, low rotor rpm or low-G conditions that caused mast bumping. SFAR 73 added specific training, and it also covered the similar R44.<\/div><\/details><details><summary>What ground training does SFAR 73 require?<\/summary><div class=\"a\">SFAR 73 ground training must be given by a specially authorised flight instructor and covers energy management, mast bumping, low rotor rpm and rotor stall, low-G conditions with their effects and recovery, and rotor rpm decay. The pilot&rsquo;s logbook must be endorsed before they manipulate the controls of an R22 or R44.<\/div><\/details><details><summary>How many hours do you need to solo a Robinson R22?<\/summary><div class=\"a\">Under SFAR 73, a student who does not yet hold a helicopter rating must log at least 20 hours of flight training in the R22 from an authorised instructor before flying it solo, including autorotations, energy management, rpm control without the governor and low rotor rpm recovery. The solo endorsement is valid for 90 days.<\/div><\/details><details><summary>What is mast bumping in a Robinson helicopter?<\/summary><div class=\"a\">Mast bumping happens when the teetering main rotor hub strikes the rotor mast. In Robinson helicopters it is usually triggered by low-G conditions, such as a cyclic pushover or mishandled turbulence, followed by large control inputs. Robinson warns that severe in-flight low-G mast bumping usually causes main rotor separation or blade contact with the fuselage.<\/div><\/details><\/div><\/section>\r\n\r\n\r\n\r\n<script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Why do so many pilots learn to fly helicopters in a Robinson R22?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The Robinson R22 is a simple two-seat piston helicopter with low purchase and operating costs, which made helicopter training far more affordable. The Smithsonian notes that those low costs reduced the financial barriers to helicopter training, and the R22 became a primary trainer at flight schools around the world.\"}},{\"@type\":\"Question\",\"name\":\"What is SFAR 73?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"SFAR 73 is a Special Federal Aviation Regulation in 14 CFR Part 61 that sets extra training and experience requirements for anyone who flies, instructs in or conducts flight reviews in a Robinson R22 or R44 helicopter. The FAA first issued it in 1995, and the current version expires on 22 August 2029.\"}},{\"@type\":\"Question\",\"name\":\"Why did the FAA create SFAR 73?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The FAA found that the Robinson R22 had a high number of fatal accidents involving main rotor and airframe contact compared with other piston helicopters, often linked to pilot inexperience, low rotor rpm or low-G conditions that caused mast bumping. SFAR 73 added specific training, and it also covered the similar R44.\"}},{\"@type\":\"Question\",\"name\":\"What ground training does SFAR 73 require?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"SFAR 73 ground training must be given by a specially authorised flight instructor and covers energy management, mast bumping, low rotor rpm and rotor stall, low-G conditions with their effects and recovery, and rotor rpm decay. The pilot\u2019s logbook must be endorsed before they manipulate the controls of an R22 or R44.\"}},{\"@type\":\"Question\",\"name\":\"How many hours do you need to solo a Robinson R22?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Under SFAR 73, a student who does not yet hold a helicopter rating must log at least 20 hours of flight training in the R22 from an authorised instructor before flying it solo, including autorotations, energy management, rpm control without the governor and low rotor rpm recovery. 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Robinson warns that severe in-flight low-G mast bumping usually causes main rotor separation or blade contact with the fuselage.\"}}]}<\/script><div style=\"background:#f0f4ff;border-left:4px solid #5C91FF;padding:16px 20px;margin:32px 0 8px\"><p style=\"margin:0 0 8px;font-weight:600;color:#333\">Related Posts<\/p><p style=\"margin:4px 0\"><a href=\"https:\/\/migflug.com\/afterburner\/army-robinson-r66-flight-school-next-m1-10-billion-2026\/\">The Army Bets Its Next Pilots on a Little Robinson<\/a><\/p><p style=\"margin:4px 0\"><a href=\"https:\/\/migflug.com\/afterburner\/how-a-helicopter-flies-collective-cyclic-tail-rotor-explained\/\">How a Helicopter Flies: Collective, Cyclic and the Tail Rotor<\/a><\/p><p style=\"margin:4px 0\"><a href=\"https:\/\/migflug.com\/afterburner\/dead-mans-curve-helicopter-height-velocity-diagram-autorotation-explained\/\">Dead Man\u2019s Curve: The Helicopter Height-Velocity Diagram Explained<\/a><\/p><p style=\"margin:4px 0\"><a 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