# Robinson Helicopter R22 ALPHA

- Type: Aircraft model (FAA registry)
- Registry code: 7640104
- Manufacturer (registry): ROBINSON HELICOPTER
- Model: R22 ALPHA
- Aircraft type: Rotorcraft
- Category: Rotorcraft
- Engines: 1 · Reciprocating
- Seats: 2
- Weight class: Up to 12,499 lb
- Certification: Type certificated
- Data sheet: [TCDS H10WE](https://openairdocs.org/tcds/H10WE) (OpenAirDocs)
- Holder: Robinson Helicopter Company
- Registered aircraft: 16
- Page: https://openairdocs.org/model/robinson-helicopter-r22-alpha

Model codes come from the FAA registry's reference file. ADs are matched to them by model name and maker.

## ADs that may apply (OpenAirDocs)

Matched to this model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment.

- [AD 2024-04-02](https://openairdocs.org/ad/2024-04-02): Tail Rotor Blades · Robinson Helicopter R22, R22 ALPHA, R22 BETA and 4 more. Effective Apr 2, 2024
- [AD 2023-11-07](https://openairdocs.org/ad/2023-11-07): Ground Proximity System · Airbus Helicopters 47, 206, 210 and 237 more. Effective Jun 22, 2023
- [AD 2014-23-16](https://openairdocs.org/ad/2014-23-16): Main Rotor Blades · Robinson Helicopter R22, R22 ALPHA, R22 BETA and 3 more. Effective Jan 9, 2015
- [AD 2013-19-06](https://openairdocs.org/ad/2013-19-06): JASC Code: 2823: Fuel Selector/Shut-Off Valve · Robinson Helicopter R22, R22 ALPHA, R22 BETA and 1 more. Effective Nov 5, 2013
- [AD 2010-24-03](https://openairdocs.org/ad/2010-24-03): Tail rotor · Robinson Helicopter R22, R22 ALPHA, R22 BETA and 3 more. Effective Dec 29, 2010
- [AD 2005-16-05](https://openairdocs.org/ad/2005-16-05): Door assembly . · Modified door and window (Tech-Tool Plastics STC SR09189RC). Effective Aug 26, 2005
- [AD 2004-19-09](https://openairdocs.org/ad/2004-19-09): Main rotor blades (blades) · Robinson Helicopter R22, R22 ALPHA, R22 BETA and 1 more. Effective Oct 7, 2004
- [AD 2003-04-04](https://openairdocs.org/ad/2003-04-04): Pitch control bearing housing (housing) · Robinson Helicopter R22, R22 ALPHA, R22 BETA and 1 more. Effective Mar 26, 2003
- [AD 2000-20-51](https://openairdocs.org/ad/2000-20-51): Yoke Inspection · Robinson Helicopter R22, R22 ALPHA, R22 BETA and 1 more. Effective Nov 22, 2000
- [AD 2000-08-09](https://openairdocs.org/ad/2000-08-09): Sprag Clutches · Robinson Helicopter R22, R22 ALPHA, R22 BETA and 1 more. Effective May 5, 2000
- [AD 99-07-17](https://openairdocs.org/ad/99-07-17): Sprag Clutch · Robinson Helicopter R22, R22 ALPHA, R22 BETA and 1 more. Effective Apr 28, 1999
- [AD 99-02-02](https://openairdocs.org/ad/99-02-02): Flexplates · Robinson Helicopter R22, R22 ALPHA, R22 BETA and 1 more. Effective Feb 1, 1999
- [AD 98-21-09](https://openairdocs.org/ad/98-21-09): Fuel Tank Vent Tube(s) In Mast Fairing · Robinson Helicopter R22, R22 ALPHA, R22 BETA and 1 more. Effective Dec 9, 1998
- [AD 97-25-05](https://openairdocs.org/ad/97-25-05): Carburetor and Carburetor Air Temperature Gage · Robinson Helicopter R22, R22 ALPHA, R22 BETA and 1 more. Effective Jan 12, 1998
- [AD 97-02-14](https://openairdocs.org/ad/97-02-14): Main Rotor RPM Sensor Resetting · Robinson Helicopter R22, R22 ALPHA, R22 BETA and 1 more. Effective Mar 4, 1997
- [AD 96-09-29](https://openairdocs.org/ad/96-09-29): Replace V-Belt Sheave · Robinson Helicopter R22, R22 ALPHA, R22 BETA and 1 more. Effective Jun 7, 1996
- [AD 95-26-04](https://openairdocs.org/ad/95-26-04): Rotorcraft Flight Manual - Limitation Section · Robinson Helicopter R22, R22 ALPHA, R22 BETA and 1 more. Effective Jan 26, 1996
- [AD 95-23-05](https://openairdocs.org/ad/95-23-05): Tail Rotor Gearboxes · Robinson Helicopter R22, R22 ALPHA, R22 BETA and 1 more. Effective Dec 27, 1995
- [AD 95-11-09](https://openairdocs.org/ad/95-11-09): FAA FM - Limitations - Low-G Pushovers · Robinson Helicopter R22, R22 ALPHA, R22 BETA and 1 more. Effective Jul 14, 1995
- [AD 95-06-03](https://openairdocs.org/ad/95-06-03): Main Rotor Gearbox · Robinson Helicopter R22, R22 ALPHA, R22 BETA and 1 more. Effective Jun 29, 1995
- [AD 94-15-08](https://openairdocs.org/ad/94-15-08): Main Rotor Blade Inspection · Robinson Helicopter R22, R22 ALPHA, R22 BETA and 1 more. Effective Aug 9, 1994
- [AD 92-06-17](https://openairdocs.org/ad/92-06-17): NAS1304-16 AF Bolt Inspection · Robinson Helicopter R22, R22 ALPHA, R22 BETA and 1 more. Effective Jul 24, 1992
- [AD 90-17-01](https://openairdocs.org/ad/90-17-01): Carburetor Air Box Latches · Robinson Helicopter R22, R22 ALPHA, R22 BETA and 1 more. Effective Sep 10, 1990
- [AD 88-26-01 R2](https://openairdocs.org/ad/88-26-01-R2): Main Rotor Spindle · Robinson Helicopter R22, R22 ALPHA, R22 BETA and 1 more. Effective Aug 7, 1990
- [AD 87-18-03](https://openairdocs.org/ad/87-18-03): Main Rotor Pitch Link Assembly · Robinson Helicopter R22, R22 ALPHA, R22 BETA and 1 more. Effective Apr 25, 1988
- [AD 84-18-04](https://openairdocs.org/ad/84-18-04): Main Rotor Gearbox · Robinson Helicopter R22 and R22 ALPHA. Effective Nov 8, 1986
- [AD 81-17-01](https://openairdocs.org/ad/81-17-01): Starting Vibrator Assemblies · Bendix Starting Vibrator Assemblies, B-2, B-2A and 49 more. Effective Aug 13, 1981

Historical (superseded or no longer in force):

- [AD 2021-23-13](https://openairdocs.org/ad/2021-23-13) (historical): Ground Proximity System · Airbus Helicopters K-225, K-190A, K-240 and 237 more. Effective Dec 9, 2021
- [AD 2011-12-10](https://openairdocs.org/ad/2011-12-10) (historical): Main rotor blade · Robinson Helicopter R22, R22 ALPHA, R22 BETA and 3 more. Effective Jul 5, 2011
- [AD 2007-26-12](https://openairdocs.org/ad/2007-26-12) (historical): Blade skin debond · Robinson Helicopter R22, R22 ALPHA, R22 BETA and 3 more. Effective Jan 18, 2008
- [AD 2004-06-52](https://openairdocs.org/ad/2004-06-52) (historical): Main rotor blade (blade) · Robinson Helicopter R22, R22 ALPHA, R22 BETA and 1 more
- [AD 98-14-08](https://openairdocs.org/ad/98-14-08) (historical): Flexplate · Robinson Helicopter R22, R22 ALPHA, R22 BETA and 1 more
- [AD 96-11-08](https://openairdocs.org/ad/96-11-08) (historical): Main Rotor RPM Sensor Resetting · Robinson Helicopter R22, R22 ALPHA, R22 BETA and 1 more. Effective Jul 2, 1996
- [AD 95-06-07](https://openairdocs.org/ad/95-06-07) (historical): Flexplate · Robinson Helicopter R22, R22 ALPHA, R22 BETA and 1 more. Effective Apr 4, 1995
- [AD 95-04-14](https://openairdocs.org/ad/95-04-14) (historical): RFM - Limitation Section · Robinson Helicopter R22, R22 ALPHA, R22 BETA and 1 more. Effective Mar 17, 1995
- [AD 94-11-01](https://openairdocs.org/ad/94-11-01) (historical): Flexplate · Robinson Helicopter R22, R22 ALPHA, R22 BETA and 1 more

## Information bulletins (advisory) (6)

- [SAIB 2023-01](https://openairdocs.org/saib/2023-01): MAIN ROTOR BLADES; Brinelled Main Rotor Blade Spindle Bearing. Issued Feb 14, 2023
- [SAIB AIR-22-08](https://openairdocs.org/saib/AIR-22-08): MAIN ROTOR DRIVE SYSTEM,TAIL ROTOR DRIVE SYSTEM. Issued Apr 11, 2022
- [SAIB AIR-22-03](https://openairdocs.org/saib/AIR-22-03): Robinson Helicopter Company Model R22, R44, and R66 Helicopters; Emergency Locator Transmitter Retention. Issued Mar 3, 2022
- [SAIB SW-12-45](https://openairdocs.org/saib/SW-12-45): Garmin Model 400W/500W Series GPS-WAAS Navigation System. Issued Oct 3, 2012
- [SAIB SW-11-15](https://openairdocs.org/saib/SW-11-15): Carbon Monoxide Detectors. Issued Jan 6, 2011
- [SAIB SW-07-16](https://openairdocs.org/saib/SW-07-16): Rotor blade skin debonding. Issued Feb 9, 2007

## Registered aircraft (16)

- [N12475](https://openairdocs.org/aircraft/N12475): [Helicopteracademy.Com LLC](https://openairdocs.org/faa-owner/HELICOPTERACADEMY.COM%20LLC), [Rehoboth Beach, DE](https://openairdocs.org/faa-place/DE/Rehoboth%20Beach), S/N 0453
- [N12857](https://openairdocs.org/aircraft/N12857): [Helicopteracademy.Com LLC](https://openairdocs.org/faa-owner/HELICOPTERACADEMY.COM%20LLC), [Rehoboth Beach, DE](https://openairdocs.org/faa-place/DE/Rehoboth%20Beach), S/N 0449
- [N13GH](https://openairdocs.org/aircraft/N13GH): [Emerald City Aircraft Leasing Inc](https://openairdocs.org/faa-owner/EMERALD%20CITY%20AIRCRAFT%20LEASING%20INC), [Port Orchard, WA](https://openairdocs.org/faa-place/WA/Port%20Orchard), built 1984, S/N 0388
- [N13HR](https://openairdocs.org/aircraft/N13HR): [South Florida Helicopters Inc](https://openairdocs.org/faa-owner/SOUTH%20FLORIDA%20HELICOPTERS%20INC), [Indiantown, FL](https://openairdocs.org/faa-place/FL/Indiantown), S/N 0492
- [N2242P](https://openairdocs.org/aircraft/N2242P): [Deese Derick D E](https://openairdocs.org/faa-owner/DEESE%20DERICK%20D%20E), [Port Angeles, WA](https://openairdocs.org/faa-place/WA/Port%20Angeles), built 1985, S/N 0493
- [N605HA](https://openairdocs.org/aircraft/N605HA): [Emerald City Aircraft Leasing Inc](https://openairdocs.org/faa-owner/EMERALD%20CITY%20AIRCRAFT%20LEASING%20INC), [Port Orchard, WA](https://openairdocs.org/faa-place/WA/Port%20Orchard), S/N 0439
- [N622NL](https://openairdocs.org/aircraft/N622NL): [1st American Aviation Inc](https://openairdocs.org/faa-owner/1ST%20AMERICAN%20AVIATION%20INC), [North Miami, FL](https://openairdocs.org/faa-place/FL/North%20Miami), S/N 0386
- [N8379Z](https://openairdocs.org/aircraft/N8379Z): [Hawaii Pacific Aviation Inc](https://openairdocs.org/faa-owner/HAWAII%20PACIFIC%20AVIATION%20INC), [Kailua Kona, HI](https://openairdocs.org/faa-place/HI/Kailua%20Kona), built 1985, S/N 0491
- [N8490D](https://openairdocs.org/aircraft/N8490D): [Little Big Horn Co](https://openairdocs.org/faa-owner/LITTLE%20BIG%20HORN%20CO), [Prescott, AZ](https://openairdocs.org/faa-place/AZ/Prescott), built 1984, S/N 0403
- [N8491A](https://openairdocs.org/aircraft/N8491A): [Aarow Aircraft Leasing LLC](https://openairdocs.org/faa-owner/AAROW%20AIRCRAFT%20LEASING%20LLC), [Dallas, TX](https://openairdocs.org/faa-place/TX/Dallas), built 1984, S/N 0404
- [N8518W](https://openairdocs.org/aircraft/N8518W): [Emerald City Aircraft Leasing Inc](https://openairdocs.org/faa-owner/EMERALD%20CITY%20AIRCRAFT%20LEASING%20INC), [Port Orchard, WA](https://openairdocs.org/faa-place/WA/Port%20Orchard), built 1984, S/N 0425
- [N8536Y](https://openairdocs.org/aircraft/N8536Y): [Eastern Flight Services Inc](https://openairdocs.org/faa-owner/EASTERN%20FLIGHT%20SERVICES%20INC), [Ronkonkoma, NY](https://openairdocs.org/faa-place/NY/Ronkonkoma), built 1984, S/N 0438
- [N8541E](https://openairdocs.org/aircraft/N8541E): [Flying Services Inc](https://openairdocs.org/faa-owner/FLYING%20SERVICES%20INC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 1984, S/N 0442
- [N8557H](https://openairdocs.org/aircraft/N8557H): [Lloyd Davis Inc](https://openairdocs.org/faa-owner/LLOYD%20DAVIS%20INC), [Brackettville, TX](https://openairdocs.org/faa-place/TX/Brackettville), built 1985, S/N 0460
- [N8561V](https://openairdocs.org/aircraft/N8561V): [Paratus Air Inc](https://openairdocs.org/faa-owner/PARATUS%20AIR%20INC), [Auburn, IN](https://openairdocs.org/faa-place/IN/Auburn), built 1985, S/N 0484
- [N969GF](https://openairdocs.org/aircraft/N969GF): [Sky West Aviation Inc Trustee](https://openairdocs.org/faa-owner/SKY%20WEST%20AVIATION%20INC%20TRUSTEE), [Albuquerque, NM](https://openairdocs.org/faa-place/NM/Albuquerque), built 1985, S/N 0486

## NTSB investigations (41)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB ANC17LA013](https://openairdocs.org/ntsb/ANC17LA013), Dec 18, 2016: Robinson Helicopter R22 (N121MR), Palmer, AK, substantial damage. Probable cause: The pilot's failure to maintain main rotor revolutions per minute (RPM) during a pinnacle landing, which resulted in a main rotor stall condition, a loss of control, and a subsequent impact with…
- [NTSB ANC12CA032](https://openairdocs.org/ntsb/ANC12CA032), Apr 21, 2012: Robinson Helicopter R22 Alpha (N121MR), Palmer, AK, substantial damage. Probable cause: The pilot's selection of unsuitable terrain for landing, which resulted in a tailrotor strike.
- [NTSB DEN06CA064](https://openairdocs.org/ntsb/DEN06CA064), Apr 15, 2006: Robinson R-22 (N85560), Santa Fe, NM, substantial damage. Probable cause: the pilot's improper preflight planning and his failure to maintain control of the helicopter during takeoff. Factors contributing to the accident were the helicopter exceeding its maximum gross…
- [NTSB CHI04FA197](https://openairdocs.org/ntsb/CHI04FA197), Jul 28, 2004: Robinson R22 Alpha (N103MH), Mount Clemens, MI, destroyed, 1 fatal. Probable cause: A loss of control in flight for undetermined reasons.
- [NTSB NYC03CA207](https://openairdocs.org/ntsb/NYC03CA207), Sep 28, 2003: Robinson R-22A (N56MU), Bedford, MA, substantial damage. Probable cause: The certified flight instructor's failure to maintain ground clearance and his delayed remedial action, which resulted in a rollover.
- [NTSB FTW02LA080](https://openairdocs.org/ntsb/FTW02LA080), Feb 11, 2002: Robinson R-22A (N8557Z), Encino, TX, substantial damage. Probable cause: The pilot's failure to maintain aircraft control during lift off from a transport trailer resulting in dynamic rollover of the helicopter.
- [NTSB IAD01LA071](https://openairdocs.org/ntsb/IAD01LA071), Jun 16, 2001: Robinson R-22A (N2242P), Atwater, OH, substantial damage. Probable cause: The pilot's improper remedial response to a dynamic rollover event, which resulted in the helicopter rolling over on its side.
- [NTSB MIA00LA005](https://openairdocs.org/ntsb/MIA00LA005), Oct 17, 1999: Robinson R-22 (N83574), Sunny Isles, FL, substantial damage. Probable cause: A loss of engine power while maneuvering due to improper ignition timing by unknown person(s) resulting in an emergency descent and collision with the water.
- [NTSB DEN99LA163](https://openairdocs.org/ntsb/DEN99LA163), Sep 18, 1999: Robinson R22A (N8497Y), Tucumcari, NM, substantial damage. Probable cause: The pilot's inadequate visual lookout. A factor was a reduced visual detection due to background vegetation and terrain.
- [NTSB NYC99LA190](https://openairdocs.org/ntsb/NYC99LA190), Aug 5, 1999: Robinson R-22A (N8561K), Shirley, NY, substantial damage. Probable cause: The pilot's failure to maintain rotor RPM, which resulted in a hard landing.
- [NTSB LAX99LA186](https://openairdocs.org/ntsb/LAX99LA186), May 19, 1999: Robinson R22A (N8558N), San Luis Obispo, CA, substantial damage. Probable cause: The student's inadvertent and uncoordinated application of forward cyclic during an autorotation flare, which resulted in a loss of main rotor rpm; and the flight instructor's inadequate supervision.
- [NTSB SEA99LA026](https://openairdocs.org/ntsb/SEA99LA026), Jan 6, 1999: Robinson R-22 (N605HA), Hillsboro, OR, substantial damage. Probable cause: The pilot's failure to maintain aircraft control.
- [NTSB LAX98FA098](https://openairdocs.org/ntsb/LAX98FA098), Feb 26, 1998: Robinson R22 (N8457J), Littlerock, CA, destroyed, 1 fatal. Probable cause: The pilot's improper use of the rotorcraft cyclic control in response to encountering terrain induced turbulence. A factor in the accident was the pilot's failure to obtain a preflight weather…
- [NTSB NYC95LA126](https://openairdocs.org/ntsb/NYC95LA126), May 27, 1995: Robinson R-22A (N8541E), Fairfield, NJ, substantial damage. Probable cause: The student pilot's failure to maintain control of the helicopter. The student's lack of experience in the type of operation (solo flight) was a related factor.
- [NTSB MIA94LA176](https://openairdocs.org/ntsb/MIA94LA176), Jul 9, 1994: Robinson R-22 (N22431), Sanford, FL, substantial damage. Probable cause: THE FAILURE OF THE TAILROTOR DRIVESHAFT FOR UNDETERMINED REASONS RESULTING IN LOSS OF TAILROTOR DRIVE. THIS RESULTED IN THE HELICOPTER SPINNING UNCONTROLLED AND DESCENDING FROM A HOVER UNTIL IT…
- [NTSB NYC94FA078](https://openairdocs.org/ntsb/NYC94FA078), May 5, 1994: Robinson R22A (N503TH), North Bergen, NJ, destroyed, 2 fatal. Probable cause: The pilot's failure to maintain adequate visual lookout and adequate obstacle clearance, which resulted in an inflight collision with a static wire.
- [NTSB BFO94LA035](https://openairdocs.org/ntsb/BFO94LA035), Jan 25, 1994: Robinson R-22A (N8559A), Gaithersburg, MD, substantial damage. Probable cause: THE PILOT'S FAILURE TO MAINTAIN ROTOR RPM WHICH LED TO AN IN FLIGHT LOSS OF CONTROL RESULTING IN A COLLISION WITH THE RUNWAY AND THE HELICOPTER ROLLING OVER ON ITS SIDE. A FACTOR IN THIS ACCIDENT WAS…
- [NTSB NYC93LA126](https://openairdocs.org/ntsb/NYC93LA126), Jun 24, 1993: Robinson R22 (N8557Y), Sanford, ME, substantial damage. Probable cause: The pilot's failure to maintain directional control of the helicopter while hovering, resulting in the main rotor blades impacting the ground.
- [NTSB BFO92LA117](https://openairdocs.org/ntsb/BFO92LA117), Jul 25, 1992: Robinson R22A (N8557Y), Sanford, ME, substantial damage. Probable cause: THE PILOT'S SELECTION OF UNSUITABLE TERRAIN TO EXECUTE A LANDING.
- [NTSB MIA92LA073](https://openairdocs.org/ntsb/MIA92LA073), Jan 31, 1992: Robinson R-22 Alpha (N85570), Juno Beach, FL, substantial damage. Probable cause: IMPROPER COLLECTIVE AND CYCLIC CONTROL INPUTS AND POOR IN-FLIGHT PLANNING DECISION BY THE PILOT-IN-COMMAND.
- [NTSB LAX91LA097](https://openairdocs.org/ntsb/LAX91LA097), Feb 10, 1991: Robinson R22A (N8491A), Piru, CA, substantial damage. Probable cause: FAILURE OF THE CFI TO MAINTAIN MAIN ROTOR RPM DURING A DEMONSTRATED AUTOROTATION.
- [NTSB NYC91LA071](https://openairdocs.org/ntsb/NYC91LA071), Feb 2, 1991: Robinson R-22 Alpha (N8555K), Coram, NY, substantial damage. Probable cause: THE PILOT-IN-COMMAND'S FAILURE TO MAINTAIN ROTOR RPM AND MISJUDGING THE HEIGHT OF THE FLARE DURING A PRECAUTIONARY AUTOROTATIVE LANDING, RESULTING IN A ROLL OVER DURING THE LANDING FLARE TOUCHDOWN.
- [NTSB LAX90LA204](https://openairdocs.org/ntsb/LAX90LA204), May 30, 1990: Robinson R22A (N8557Z), Torrance, CA, substantial damage. Probable cause: THIS ACCIDENT WAS A DYNAMIC ROLL OVER DUE TO THE RIGHT SKID ENCOUNTERING SOFT SOIL DURING THE FORCED LANDING.
- [NTSB LAX90LA074](https://openairdocs.org/ntsb/LAX90LA074), Jan 21, 1990: Robinson R22 (N2258R), Ramona, CA, substantial damage. Probable cause: THE PILOT ENCOUNTERED A TAILWIND WHILE ON FINAL APPROACH, BUT DELAYED THE GO-AROUND. DURING THE GO-AROUND THE PILOT FAILED TO MAINTAIN AIRSPEED AND ENTERED A DESCENT (SETTLING WITH POWER).
- [NTSB LAX90LA013](https://openairdocs.org/ntsb/LAX90LA013), Oct 26, 1989: Robinson R22A (N84817), Simi Valley, CA, substantial damage. Probable cause: STUDENT PILOT'S FAILURE TO MAINTAIN THE PROPER ALTITUDE.
- [NTSB BFO89LA071](https://openairdocs.org/ntsb/BFO89LA071), Aug 17, 1989: Robinson R22 (N8557H), Manassas, VA, substantial damage. Probable cause: IMPROPER USE OF THE CYCLIC CONTROL BY THE STUDENT PILOT AND HIS FAILURE TO RELINQUISH CONTROL OF THE HELICOPTER TO THE INSTRUCTOR (CFI). A CONTRIBUTING FACTOR WAS THE STUDENT'S LACK OF EXPERIENCE.
- [NTSB LAX89LA251](https://openairdocs.org/ntsb/LAX89LA251), Aug 10, 1989: Robinson R22 (N8477B), Scottsdale, AZ, substantial damage. Probable cause: IMPROPERLY USE OF THE FLIGHT CONTROLS BY THE PILOT AND HIS FAILURE TO MAINTAIN CONTROL OF THE HELICOPTER.
- [NTSB LAX89FA092](https://openairdocs.org/ntsb/LAX89FA092), Jan 22, 1989: Robinson R22A (N8529C), Santa Barbara, CA, destroyed, 2 fatal. Probable cause: FAILURE OF THE PILOT TO MAINTAIN ADEQUATE ALTITUDE, PROPER AIRSPEED FOR THE REDUCED VISIBILITY, AND AN ADEQUATE VISUAL OUTLOOK TO AVOID A COLLISION WITH POWER TRANSMISSION CABLE. CONTRIBUTING TO THE…
- [NTSB BFO88LA076](https://openairdocs.org/ntsb/BFO88LA076), Aug 27, 1988: Robinson R22A (N8559A), Gaithersburg, MD, substantial damage
- [NTSB LAX88FA032](https://openairdocs.org/ntsb/LAX88FA032), Nov 3, 1987: Robinson R22A (N8475A), Moraga, CA, destroyed, 2 fatal. Probable cause: A DIVERGENCE OF THE MAIN ROTOR FROM ITS NORMAL PLANE OF ROTATION FOR AN UNDETERMINED REASON, WHICH RESULTED IN ROTOR CONTACT WITH THE COCKPIT AREA.
- [NTSB SEA87LA175](https://openairdocs.org/ntsb/SEA87LA175), Aug 23, 1987: Robinson R-22 (N8379Z), Tukwila, WA, substantial damage
- [NTSB NYC87LA122](https://openairdocs.org/ntsb/NYC87LA122), Apr 12, 1987: Robinson R22 (N85570), Pottstown, PA, substantial damage
- [NTSB LAX87FA147](https://openairdocs.org/ntsb/LAX87FA147), Mar 16, 1987: Robinson R-22-A (N2256M), Scottsdale, AZ, destroyed, 2 fatal. Probable cause: A LOSS OF CONTROL IN FLIGHT FOR UNDETERMINED REASONS.
- [NTSB FTW86LA044](https://openairdocs.org/ntsb/FTW86LA044), Feb 8, 1986: Robinson R-22 (N8557K), Mcalester, OK, substantial damage
- [NTSB ANC85LA121](https://openairdocs.org/ntsb/ANC85LA121), Jul 7, 1985: Robinson R-22A (N8530J), Summit Lake, AK, substantial damage
- [NTSB SEA85LA129](https://openairdocs.org/ntsb/SEA85LA129), Jun 9, 1985: Robinson R22 (N8490D), Port Orchard, WA, substantial damage
- [NTSB FTW85FPJ02](https://openairdocs.org/ntsb/FTW85FPJ02), May 8, 1985: Robinson R-22A (N8556C), Mcalester, OK, substantial damage
- [NTSB ATL85FA067](https://openairdocs.org/ntsb/ATL85FA067), Dec 25, 1984: Robinson R-22 Alpha (N8475K), Huntsville, AL, destroyed, 2 fatal
- [NTSB NYC85FA048](https://openairdocs.org/ntsb/NYC85FA048), Dec 22, 1984: Robinson R-22-A (N84958), Ellington, CT, destroyed, 2 fatal
- [NTSB FTW84LA308](https://openairdocs.org/ntsb/FTW84LA308), Jul 11, 1984: Robinson R-22A (N8518W), Henderson, TX, substantial damage
- [NTSB LAX83FA226](https://openairdocs.org/ntsb/LAX83FA226), May 12, 1983: Robinson R22 (N83574), Torrance, CA, substantial damage

## FAA accident and incident reports (51, newest 50)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Accident 20161218022589A](https://openairdocs.org/incident/20161218022589A), Dec 18, 2016: Robinson Helicopter R22 ALPHA (N121MR), Hatcher Pass, AK, Substantial damage. Rotor RPM decayed on approach to pinnacle, aircraft settled on steep terrain. Tail rotor struck hill and the tail boom seperated from the aircraft. The…
- [Accident 20120421007209A](https://openairdocs.org/incident/20120421007209A), Apr 21, 2012: Robinson Helicopter R22 ALPHA (N121MR), Palmer, AK, Substantial damage. Pilot landed off airport in the snow. When collective was reduced a/c tilted to the rear. When pilot picked up the a/c the tail rotor struck the snow.
- [Incident 20081126853379I](https://openairdocs.org/incident/20081126853379I), Nov 26, 2008: Robsin R22ALPHA (N8536Y), Port Monmouth, NJ, No damage. N8536Y a Robinson model R-22 helicopter piloted by [privacy data omitted] departed mcauthur airport (kisp), NY and was enroute to brandywine airport (koqn) pa…
- [Accident 20060416004529A](https://openairdocs.org/incident/20060416004529A), Apr 16, 2006: Robsin R22ALPHA (N85560), Santa Fe, NM, Substantial damage. (-23) On April 16, 2006, at 1106 mountain daylight time, a Robinson R-22, N85560, with a temporary registration certificate registered to donald olson…
- [Accident 20040728014489A](https://openairdocs.org/incident/20040728014489A), Jul 28, 2004: Robsin R22ALPHA (N103MH), Selfridge Afb, MI, Destroyed, 1 fatal. (-23) N103MH R-22 overflying Selfridge angb reported a vibration which increased in severity. Declared emergency & returned to land. Upon touchdown a/c tumbled…
- [Accident 20030928024339A](https://openairdocs.org/incident/20030928024339A), Sep 28, 2003: Robsin R22ALPHA (N56MU), Bedford, MA, Substantial damage. (-23) N56MU, R-22-alpha, while doing hover work over whiskey taxiway caught its skid in the high grass/dirt that resulted in a dynamic rollover at Bedford…
- [Accident 20020211000949A](https://openairdocs.org/incident/20020211000949A), Feb 11, 2002: Robsin R22ALPHA (N8557Z), Encino, TX, No damage. (.19) On February 11, 2002, at 0800 central standard time, a Robinson R-22A helicopter, N8557Z, was substantially damaged during takeoff from a staging area 10…
- [Accident 20010616015569A](https://openairdocs.org/incident/20010616015569A), Jun 16, 2001: Robsin R22ALPHA (N2242P), Atwater, OH, No damage. (.19) On June 16, 2001, about 1600 eastern daylight time, a Robinson R-22A, N2242P, was substantially damaged when it rolled over while hovering at a private…
- [Accident 19991017041849A](https://openairdocs.org/incident/19991017041849A), Oct 17, 1999: Robsin R22 (N83574), Sunny Isles, FL, Substantial damage. (-23) Helicopter lost power at low altitude, made an emergency landing 50 feet off-shore at haulover beach, 10800 collins avenue, miami beach, Florida-2…
- [Accident 19990918030709A](https://openairdocs.org/incident/19990918030709A), Sep 18, 1999: Robsin R22ALPHA (N8497Y), Tucumcari, NM, Substantial damage. (-23) On September 18, 1999, at 1330 MDT, a Robinson R-22-alpha helicopter, N8497Y, registered to hunts hashknife helicopters, inc., and flown by russell g.…
- [Accident 19990805010839A](https://openairdocs.org/incident/19990805010839A), Aug 5, 1999: Robsin R22ALPHA (N8561K), Shirley, NY, Substantial damage. 1985 Roginson R-22 helicopter was demonstrating a 180 degree rotation when it experienced low RPM and landed hard from 50 feet AGL. (-23)at time and place of…
- [Accident 19990518005389A](https://openairdocs.org/incident/19990518005389A), May 18, 1999: Robsin R22ALPHA (N8558N), San Luis Obispo, CA, Substantial damage. Robinson R-22 helicopter was involved in auto rotation practice when the acft caught a down draft, struck the ground hard, rolled over, and was destroyed,…
- [Accident 19990105009779A](https://openairdocs.org/incident/19990105009779A), Jan 5, 1999: Robsin R22ALPHA (N605HA), Portland, OR, Substantial damage. (.19)On January 5, 1999, about 1604 pacific standard time, a Robinson R-22, N605HA, registered to and operated by Hillsboro aviation, was substantially damaged…
- [Accident 19980226006829A](https://openairdocs.org/incident/19980226006829A), Feb 26, 1998: Robsin R22ALPHA (N8457J), Little Rock, CA, Destroyed, 1 fatal. Gusty wind in area observed to dive into ground. Indicates main rotors flexed hit door and bubble prior crashing. (.4) witnesses reported hearing the aircraft…
- [Accident 19940709017889A](https://openairdocs.org/incident/19940709017889A), Jul 9, 1994: Robsin R22ALPHA (N22431), Sanford, FL, Substantial damage. Flying low to spot alligators. Lost tail rotor control. Ditched in river. Driveshaft broke due overload. Prior strike
- [Accident 19940505010049A](https://openairdocs.org/incident/19940505010049A), May 5, 1994: Robsin R22 (N503TH), North Bergen, NJ, Destroyed, 2 fatal. Struck wires following highway at low altitude. Burned. Impacted median. CFI passenger. 100 parked autos burned.
- [Accident 19940125000869A](https://openairdocs.org/incident/19940125000869A), Jan 25, 1994: Robsin R22ALPHA (N8559A), Gaithersburg, MD, Substantial damage. On departing airport, experienced low RPM warning horn. Tried to recover. Touched runway on left skid and rolled. (.4)the pilot was in the process of being…
- [Accident 19930624052449A](https://openairdocs.org/incident/19930624052449A), Jun 24, 1993: Robsin R22ALPHA (N8557Y), Sanford, ME, Substantial damage. During low hover and practice pedal turns. Rolled to right. Used left cyclic too late. Rotor struck ground.
- [Incident 19930527023279I](https://openairdocs.org/incident/19930527023279I), May 27, 1993: Robsin R22ALPHA (N8541E), Clifton, NJ. Complaint received from police of low flying helicopter over golf tournament. Pilot hired to take photos
- [Accident 19920725027959A](https://openairdocs.org/incident/19920725027959A), Jul 25, 1992: Robsin R22ALPHA (N8557Y), Sanford, ME, Substantial damage. Run on landing in soft ground during practice caused helicopter to rock fore and aft. Damaged cabin and skids.
- [Accident 19920131001559A](https://openairdocs.org/incident/19920131001559A), Jan 31, 1992: Robsin R22ALPHA (N85570), Juno Beach, FL, Substantial damage. Struck ocean water while flying low offshore fish spotting. Blamed downdraft.
- [Incident 19910906038779I](https://openairdocs.org/incident/19910906038779I), Sep 6, 1991: Robsin R22ALPHA (N8561V), Taylor, NE, Minor damage. As pilot began transition for landing helicopter rotated to right. Hard landing. Tail rotor had failed.
- [Incident 19910810040889I](https://openairdocs.org/incident/19910810040889I), Aug 10, 1991: Robsin R22ALPHA (N97CP), Danbury, CT, Minor damage. Student lifted helicopter to practice hovering. Lost control and collided with ground.
- [Incident 19910501031739I](https://openairdocs.org/incident/19910501031739I), May 1, 1991: Robsin R22ALPHA (N8518W), Davis, CA, Minor damage. Aircraft hit a set of powerlines during an agricultural pass over a field.
- [Accident 19910210002409A](https://openairdocs.org/incident/19910210002409A), Feb 10, 1991: Robsin R22ALPHA (N8491A), Piru, CA, Substantial damage. Rotor RPM too low on practice power recovery from autorotation. Ground impact caused tail boom chopped and rollover
- [Accident 19910203007459A](https://openairdocs.org/incident/19910203007459A), Feb 3, 1991: Robsin R22ALPHA (N8555K), Coram, NY, Substantial damage. Noise in rear of helicopter. Elected to land to check. Lost tail rotor effectiveness flaring. Skid hit. Rolled over
- [Accident 19900529017849A](https://openairdocs.org/incident/19900529017849A), May 29, 1990: Robsin R22ALPHA (N8557Z), Torrance, CA, Substantial damage. On fifth practice autorotation with power recovery engine was out. Made hard low rotor RPM landing. Carb ice factor
- [Accident 19900121000779A](https://openairdocs.org/incident/19900121000779A), Jan 21, 1990: Robsin R22ALPHA (N2258R), Ramona, CA, Substantial damage. Wind shift while approaching private helo pad. Tried to turn into wind but began settling with power. Hit ground.
- [Incident 19900105003939I](https://openairdocs.org/incident/19900105003939I), Jan 5, 1990: Robsin R22ALPHA (N8557Z), Torrance, CA. Vibration during climb. Precautionary landing in field. Powerplant spark plugs were lead fouled.
- [Accident 19891026043669A](https://openairdocs.org/incident/19891026043669A), Oct 26, 1989: Robsin R22ALPHA (N84817), Simi Valley, CA, Substantial damage. Student allowed helicopter to touch a skid on ground while drifting sideways during aerial taxi. Caused rollover.
- [Accident 19890810028629A](https://openairdocs.org/incident/19890810028629A), Aug 10, 1989: Robsin R22ALPHA (N8477B), Scottsdale, AZ, Substantial damage. Student lost control of helicopter on liftoff from pad. Touched a skid and rolled over.
- [Accident 19890122000979A](https://openairdocs.org/incident/19890122000979A), Jan 22, 1989: Robsin R22ALPHA (N8529C), Santa Barbara, CA, Destroyed, 2 fatal. Struck a powerline and crashed on a commercial sightseeing flight. Low scattered to broken clouds and fog in area.
- [Accident 19880827035579A](https://openairdocs.org/incident/19880827035579A), Aug 27, 1988: Robsin R22ALPHA (N8559A), Gaithersburg, MD, Substantial damage. During practice hover student over corrected with rapid cyclic input. CFI unable to gain control. Chopped tailboom.
- [Incident 19880814046859I](https://openairdocs.org/incident/19880814046859I), Aug 14, 1988: Robsin R22ALPHA (N8541E), Nyack, NY. Autorotated to forced landing on highway due to loss of RPM. Oil line chafed, sprayed oil into carburetor air hose.
- [Accident 19871103061769A](https://openairdocs.org/incident/19871103061769A), Nov 3, 1987: Robsin R22ALPHA (N8475A), Moraga, CA, Destroyed, 2 fatal. Main rotor blade struck the cockpit and shattered inflight during possible engine out practice and rotor RPM decay.
- [Accident 19870823083059A](https://openairdocs.org/incident/19870823083059A), Aug 23, 1987: Robsin R22ALPHA (N8379Z), Tukwila, WA, Substantial damage. Attempted to secure right door while hovering 3 ft AGL. Allowed aircraft to hit ground hard in tail low attitude.
- [Incident 19870624046409I](https://openairdocs.org/incident/19870624046409I), Jun 24, 1987: Robsin R22 (N85351), Clinton, MD, Minor damage. Power interruption during hover. Found a carbon build up on valves. One valve was stuck.
- [Accident 19870422010839A](https://openairdocs.org/incident/19870422010839A), Apr 22, 1987: Robsin R22 (N8561Z), Substantial damage. Rolled over
- [Accident 19870412009199A](https://openairdocs.org/incident/19870412009199A), Apr 12, 1987: Robsin R22ALPHA (N85570), Pottstown, PA, Substantial damage. Lost lift on approach to intended touchdown point. Aircraft fell vertically to the ground from height of eight feet
- [Incident 19870410024709I](https://openairdocs.org/incident/19870410024709I), Apr 10, 1987: Robsin R22ALPHA (N8516K), Trona, CA. Landed in remote desert area due to low fuel. Pilot inadvertently by passed intended fuel stop.
- [Accident 19870316008009A](https://openairdocs.org/incident/19870316008009A), Mar 16, 1987: Robsin R22ALPHA (N2256M), Scottsdale, AZ, Destroyed, 2 fatal. Indicates student may have used improper inputs. CFI tried to recover and main rotor hit tail boom. Spun to ground.
- [Incident 19860921081129I](https://openairdocs.org/incident/19860921081129I), Sep 21, 1986: Robsin R22ALPHA (N8379Z), Seattle, WA, Minor damage. While taxiing to another parking area main rotor severed a telephone cable. Pilot unaware of wire strike.
- [Accident 19860208007069A](https://openairdocs.org/incident/19860208007069A), Feb 8, 1986: Robsin R22ALPHA (N8557K), Mcalester, OK, Substantial damage. While slowly paralleling a fence, made a turn to avoid a tree. Tail rotor hit fence, helicopter spun, hit ground.
- [Accident 19850707033259A](https://openairdocs.org/incident/19850707033259A), Jul 7, 1985: Robsin R22ALPHA (N8530J), Summit Lake, AK, Substantial damage. Pilot momentarily disoriented after looking in cockpit allowed aircraft to descend. Struck the water and nosed over
- [Accident 19850608023689A](https://openairdocs.org/incident/19850608023689A), Jun 8, 1985: Robsin R22ALPHA (N8490D), Port Orchard, WA, Substantial damage. The helicopter hit the ground during practice autorotations. The instructor failed to maintain rotor speed.
- [Incident 19850525030029I](https://openairdocs.org/incident/19850525030029I), May 25, 1985: Robsin R22ALPHA (N97CP), Florence, SC, Minor damage. Pilot said engine lost power during hover. Hard landing. No engine defects found.
- [Accident 19850508017039A](https://openairdocs.org/incident/19850508017039A), May 8, 1985: Robsin R22ALPHA (N8556C), Mcalester, OK, Substantial damage. While rounding up cattle,one charged aircraft striking tail rotor. Aircraft ditched nose down and rotors hit ground
- [Accident 19841225068339A](https://openairdocs.org/incident/19841225068339A), Dec 25, 1984: Robsin R22ALPHA (N8475K), Huntsville, AL, Destroyed, 1 fatal. Main rotor blade hit left side of cockpit and left cyclic stick. Cyclic had to be full left to be in path of rotor
- [Accident 19841222067629A](https://openairdocs.org/incident/19841222067629A), Dec 22, 1984: Robsin R22ALPHA (N84958), Ellington, CT, Destroyed, 1 fatal. Attempted to land despite advisories that weather had closed field. Pilot was not instrument rated.
- [Accident 19840711034499A](https://openairdocs.org/incident/19840711034499A), Jul 11, 1984: Robsin R22ALPHA (N8518W), Henderson, TX, Substantial damage. Student caused a dynamic roll over by applying left cyclic while hellicopter was light on skids. Froze on controls.

All 51: https://openairdocs.org/model/robinson-helicopter-r22-alpha/incidents.md

## Service difficulty reports (15)

As reported by operators and repair stations, by the model named in the report.

- [SDR 2007FA0001081](https://openairdocs.org/sdr/2007FA0001081), Sep 26, 2007: OIL COOLER. CRACKED. AT A 100 HR INSPECTION ON HELICOPTER, INSTALLED A NEW OIL COOLER REPLACING THE ORIGINAL OIL COOLER. (NOVEMBER 5, 2007, HOUR METER 1042) WHILE FLYING, NOTICED TH
- [SDR AU510002172](https://openairdocs.org/sdr/AU510002172), Nov 11, 2005: FILTER. MISMANUFACTURED. (AUS) ENGINE OIL FILTER ELEMENT INCORRECTLY BONDED. CARDBOARD FILTER SEAM WAS ONLY JUST HOLDING TOGETHER. (CASA NR 510002172)
- [SDR AU510001906](https://openairdocs.org/sdr/AU510001906), Oct 9, 2005: BLADE. DISTORTED. (AUS) MAIN ROTOR BLADE BENT. BEND LOCATED IN AREA APPROXIMATELY 200MM (7.8IN) OB OF THE BLADE DOUBLER AND RUNNING ALONG THE CHORDWISE AXIS. A STRINGLINE WAS RUN
- [SDR AUS20040277](https://openairdocs.org/sdr/AUS20040277), Apr 20, 2004: DRIVE BELT. DAMAGED. (AUS) ENGINE TO TRANSMISSION DRIVE BELTS STRETCHED AND WORN.
- [SDR AUS20020321](https://openairdocs.org/sdr/AUS20020321), Mar 2, 2002: PUSHROD. DISTORTED. (AUS) NO4 CYLINDER EXHAUST VALVE PUSHROD BENT. EXHAUST VALVE DID NOTAPPEAR TO BE STUCK OR TIGHT IN THE VALVE GUIDE.
- [SDR AU001201](https://openairdocs.org/sdr/AU001201), Dec 20, 2000: YOKE. CRACKED. (AUS) MAIN ROTOR YOKE CRACKED IN THE AREA DESCRIBED IN AD/R22/49.
- [SDR 20000804SH003](https://openairdocs.org/sdr/20000804SH003), Aug 4, 2000: TAB. BENT. FOUND SEVERAL CAPS WITH BROKEN AND BENT LOCKING TABS. ALSO, CORRODED/STUCK SPRUNG IN CAP - EITHER WILL CAUSE DISRUPTION OF POWER TO CLUTCH MOTOR PREVENTING PROP
- [SDR AU000429](https://openairdocs.org/sdr/AU000429), May 8, 2000: BEARING. WORN. (AUS) TAIL ROTOR TEETER BEARINGS WEARING PREMATURELY.
- [SDR AU990478](https://openairdocs.org/sdr/AU990478), May 12, 1999: FRAME. CRACKED. (AUS) FUSELAGE UPPER FRAME ASSEMBLY CRACKED AT THE EDGE OF THE WELDED JOINT ON THE DIAGONAL STRUT BETWEEN THE UPPER AND LOWER FRAME HEXAGONAL BOLT ATTACHMENT PO
- [SDR AU981413](https://openairdocs.org/sdr/AU981413), Oct 28, 1998: SUMP. CLOGGED. (AUS) RECENTLY OVERHAULED MAIN TRANSMISSION CONTINUALLY RUNNING HOT. INVESTIGATION FOUND THAT THE SUMP WAS SLUDGED.
- [SDR AU980965](https://openairdocs.org/sdr/AU980965), Aug 6, 1998: GEARBOX. MALFUNCTIONED. (AUS) TAIL ROTOR GEARBOX FAULTY. GEARBOX OIL BLACK. EVIDENCE OF GEAR SLIPPAGE.
- [SDR 97ZZZX3104](https://openairdocs.org/sdr/97ZZZX3104), Jun 24, 1997: VALVE. CRIMP NUT LOOSE. DURING A00-HOUR INSPECTION OF OIL SCREEN, FOUND NUT ON END OF VERNATHERM THERMOSTATIC VALVE WAS LOOSE. ACCORDING TO LYCOMING SB 518C, THIS PART NUMBER AND SERIA
- [SDR 97ZZZX1144](https://openairdocs.org/sdr/97ZZZX1144), Mar 4, 1997: MUFFLER. BROKEN. FOUND ON ANNUAL INSPECTION, FLAME TUBES BROKEN LOOSE INSIDE OF THE MUFFLER AND SEVERAL PIECES BLOCKING SOME OF THE EXHAUST STACK OPENING.
- [SDR 96ZZZX268](https://openairdocs.org/sdr/96ZZZX268), Nov 30, 1995: BRACKET. BROKEN. INSPECTION FOUND BEARING SUPPORT BRACKET BROKEN OFF AT ATTACH POINT IN TAILBOOM. NOTE: BRACKET WAS SENT BACK TO RHC FOR SAME REPAIR AT 617.6 HOURS TT ON SHIP 16
- [SDR LJER950516](https://openairdocs.org/sdr/LJER950516), May 16, 1995: GEARBOX. UNDER TORQUE. TAIL ROTOR GEARBOX OUTPUT SHAFT RETAINING NUT, PN MS1414526, WAS FOUND SLIPPING AND UNDERTORQUED. DURING 100-HOUR INSPECTION, TAIL ROTOR BLADE ROTATION NOTED MO

## STCs that may be installed (OpenAirDocs) (64, first 50)

Approved for this model: the STC's model list names it on its data sheet, or a series that includes it. In force first, then newest. The registry doesn't record which STCs an aircraft has.

- [STC SR12177IB](https://openairdocs.org/stc/SR12177IB): Installation of Floor Protector. Delastek Inc
- [STC SH5244NM](https://openairdocs.org/stc/SH5244NM): Installation of external pod and camera mount. Dart Aerospace USA Inc
- [STC SR01980WI](https://openairdocs.org/stc/SR01980WI): Installation of Garmin GI 275 Multi-Function Instrument. Garmin International Inc
- [STC SH760NE](https://openairdocs.org/stc/SH760NE): Operation of rotorcraft on unleaded and leaded automotive gasoline, 91 minimum anti-knock index(RON + MON)/2. Intermixing with aviation gasoline is also approved. Petersen Aviation Inc
- [STC SA11137SC](https://openairdocs.org/stc/SA11137SC): Installation of Plane-Power ALT-FLX alternator. Hartzell Engine Technologies, LLC
- [STC SR03512AT](https://openairdocs.org/stc/SR03512AT): Installation of HID Landing and Taxi Lights. Whelen Aerospace Technologies
- [STC SR00557SE](https://openairdocs.org/stc/SR00557SE): Fabrication of Onboard Systems Model 200-225-00 (without load weight) or 200-226-00 (with load weight) cargo hook suspension system. Onboard Systems International
- [STC SR00920SE](https://openairdocs.org/stc/SR00920SE): Fabrication of Onboard Systems Model 200-262-00 cargo hook suspension system. Onboard Systems International
- [STC SR00102AT](https://openairdocs.org/stc/SR00102AT): Installation of Skysign Model H-47C electronic billboard. Sky Sign Inc
- [STC SR02704SE](https://openairdocs.org/stc/SR02704SE): Installation and maintenance of the Sunspot 36 and 46 series lights. AeroLED's Holdings LLC
- [STC SR02124SE](https://openairdocs.org/stc/SR02124SE): Installation functionality. of Data Garmin Required: transponders: (1) Garmin GTX Master 345/345R Drawing with List ADS-B (MDL), Out and In 005-00734-A4, functionality;. Garmin International Inc
- [STC SR00359BO](https://openairdocs.org/stc/SR00359BO): Installation of Parmetheus Plus LED PAR36 and PAR46 taxi and landing lights. Whelen Aerospace Technologies
- [STC SR00821DE](https://openairdocs.org/stc/SR00821DE): Installation of Automatic Dependent Surveillance - Broadcast (ADS-B) Out and in functionality using the BendixKing KT74 Transponder and qualified position sensor and ADS-B In Receiver. Peregrine
- [STC SR00387BO](https://openairdocs.org/stc/SR00387BO): Installation of Avidyne 700-00182-XXX IFD5XX and 700-00179-XXX IFD4XX Series Integrated Flight Displays (IFD). Avidyne Corporation
- [STC SR02506SE](https://openairdocs.org/stc/SR02506SE): Installation of the Collective Pull Down System, installed and maintained. HeliTrak Inc
- [STC SA2586NM](https://openairdocs.org/stc/SA2586NM): Installation of J.P. Instruments temperature monitoring systems. J P Instruments
- [STC SR02487AK](https://openairdocs.org/stc/SR02487AK): Installation of L-3 Communications Avionics Systems ESI-500 Standby Instrument System. ADS-B Technologies, LLC
- [STC SR00840DE](https://openairdocs.org/stc/SR00840DE): Installation of the Rosen Sunvisor System into the Robinson R22. R44 and R66. Rosen Sunvisor Systems LLC
- [STC SR00197SE](https://openairdocs.org/stc/SR00197SE): Addition of strug leg fairings to landing gear. Cascade STC LLC
- [STC SR02394AK](https://openairdocs.org/stc/SR02394AK): Replacement of existing landing and/or hover light bulbs with Light Emitting Diode (LED) lighting system. Seaplanes North LLC
- [STC SA00432SE](https://openairdocs.org/stc/SA00432SE): Installation of EGT 701 series fuel flow instrument. J P Instruments
- [STC SA00861SE](https://openairdocs.org/stc/SA00861SE): Installation of J.P. Instruments (JPI) fuel flow indicating system. J P Instruments
- [STC SA01026SE](https://openairdocs.org/stc/SA01026SE): Improved fuel gascolator assembly. Steve's Aircraft
- [STC SR02232LA](https://openairdocs.org/stc/SR02232LA): Installation of Garmin Model 400W / 500W Series GPS-WAAS Navigation System. Garmin AT Inc
- [STC SR03863AT](https://openairdocs.org/stc/SR03863AT): Installation of Power Flow Systems, Inc. (PFS) tuned exhaust system. Power Flow Systems Inc
- [STC SA2693NM](https://openairdocs.org/stc/SA2693NM): Installation of Electronics International digital volt/amp gauges and accessories. Electronics International Inc
- [STC SR00038BO](https://openairdocs.org/stc/SR00038BO): Installation of Helipod cargo containers. Simplex Manufacturing Company
- [STC SA4172NM](https://openairdocs.org/stc/SA4172NM): Installation of Aviation Development oil filter. Aviation Development Corporation
- [STC SA593CH](https://openairdocs.org/stc/SA593CH): Install Champion SlickSTART magneto booster system. Champion Aerospace LLC
- [STC SA02033AT](https://openairdocs.org/stc/SA02033AT): Modification to install an air-oil separator to prevent oil from being aspirated from the engine breather line. M-20 Oil Separators LLC
- [STC SR01821SE](https://openairdocs.org/stc/SR01821SE): Installation of High Intensity Discharge (HID) aviation lighting system manufactured. Precise Flight Inc
- [STC ST00049BO](https://openairdocs.org/stc/ST00049BO): Installation of a Pratt & Whitney Engine Services, Inc. Health Usage Monitoring System (HUMS) Model 1022, P/N HUMS-A-030-1. Pratt & Whitney Engine Services Inc
- [STC SA00402SE](https://openairdocs.org/stc/SA00402SE): Installation of a remote spin-on oil filter adapter. (GC-1B w/Lycoming or Cont 360 engine installed). Aviation Development Corporation
- [STC SR02089NY](https://openairdocs.org/stc/SR02089NY): Structural installation of replacement window kits. Dart Aerospace Limited
- [STC SA00680SE](https://openairdocs.org/stc/SA00680SE): Installation of Electronics International model UBG-16 or UBG-16T bar graph engine analyzer. Electronics International
- [STC SR01430LA](https://openairdocs.org/stc/SR01430LA): Installation of Stainless Steel Skid shoes. Papas Gary Los Angeles Laboratories Inc
- [STC SR02037NY](https://openairdocs.org/stc/SR02037NY): Installation of D022-720-011 cabin floor protectors kit. Dart Aerospace Limited
- [STC SH397NE](https://openairdocs.org/stc/SH397NE): Installation of anti-torque foot pedal extensions at right-hand pilot's station. Limited to installation on serial number 438 ONLY. Fuller Howard J Jr
- [STC SH407NE](https://openairdocs.org/stc/SH407NE): Installation of Robinson R-22 Beta model muffler P/N A169-6L. Fuller Howard J Jr
- [STC SR18BO](https://openairdocs.org/stc/SR18BO): Installation of a low rotor RPM voice warning system. Fuller Howard J Jr
- [STC SR01915NY](https://openairdocs.org/stc/SR01915NY): Installation of a cargo mirror. Dart Aerospace Limited
- [STC SR01362SE](https://openairdocs.org/stc/SR01362SE): Installation of the support assembly for the ground handling wheel on the skid tube of the above model rotorcraft. Micro AeroDynamics Inc
- [STC SH3298NM](https://openairdocs.org/stc/SH3298NM): Installation of Classic Aircraft Products CH-400 Cargo Hook System. Test Instrumentation Inc
- [STC SH288NE](https://openairdocs.org/stc/SH288NE): Installation of Model 2201 bubble doors. Fuller Howard J Jr
- [STC SA02520AT](https://openairdocs.org/stc/SA02520AT): Installation of M-20 Oil Separator, model 600-WP. M-20 Oil Separators LLC
- [STC SR01493NY](https://openairdocs.org/stc/SR01493NY): Installation of Bearpaws per Dart Installation Instructions IIN-DO22-661, Rev B, dtd 1/3/02 or later Transport Canada approved revision. Dart Aerospace Limited
- [STC SA2687NM](https://openairdocs.org/stc/SA2687NM): Installation of Truboplus/ Electronics Int'l gauges and switches. Aero Manufacturing Inc
- [STC SR01059CH](https://openairdocs.org/stc/SR01059CH): Install Lee Precision, Inc. 'Magic Wand' Cyclic Control System Vibration Absorber. Lee Precision, Inc
- [STC SR09189RC](https://openairdocs.org/stc/SR09189RC): Installation of a modified door and window. Tech-Tool Plastics Inc
- [STC SA00678SE](https://openairdocs.org/stc/SA00678SE): Installation of J. P. Instruments 8Jimline EGT-100 series primary instruments. J P Instruments

All 64: https://openairdocs.org/model/robinson-helicopter-r22-alpha/stcs.md

## PMA parts (OpenAirDocs) (88, first 50)

Current parts manufacturer approvals (PMA): parts the FAA has approved companies to make as replacements or modifications. Each record lists its models as free text; OpenAirDocs matched them to this model on its data sheet, so check the FAA record before relying on it. Newest first.

- [TA2798-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID170637336320240531131308.0001): Heli- Preheat Kit. Hartzell Propeller LLC · PMA PQ2040CE · Modification part · Apr 29, 2024
- [TA2798-2](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID113019535520240531131309.0001): Heli- Preheat Kit. Hartzell Propeller LLC · PMA PQ2040CE · Modification part · Apr 29, 2024
- [TAU03323](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID169171093220240221143036.0001): AV/Cabin Heat Kit. Hartzell Propeller LLC · PMA PQ2040CE · Modification part · Dec 14, 2023
- [V674903-91](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID148304477920230713122532.0001): Leaded and Unleaded Automotive Gasoline. Petersen Aviation Inc · PMA PQ3427CE · Modification part · Jul 11, 2023
- [149-12HT-H2](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID135824552320230508162358.0001): Starter Assembly. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 149-12HT-H, BC315-100-2, MZ4224 · Jan 10, 2023
- [200-262-01](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID171263207020220811112114.0001): Cargo Hook Suspension System. Onboard Systems International · PMA PQ0055NM · Modification part · Jul 28, 2022
- [200-225-00](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID156912016720220811112048.0001): Cargo Hook Kit (w/o Load Weigh). Onboard Systems International · PMA PQ0055NM · Modification part · Jul 28, 2022
- [200-262-00](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID128897900420220811112114.0001): R-22 Cargo Hook Suspension System – 3.5K Keeperless Hook without Load Weigh. Onboard Systems International · PMA PQ0055NM · Modification part · Jul 28, 2022
- [01-0790906-00](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID108548523720220610124320.0001): LED Landing Light. Whelen Aerospace Technologies · PMA PQ1372CE · Modification part · Jun 6, 2022
- [CCA-110-H4](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID133901990320260310185526.0001): Fuel Drain Valve Assembly. Curtis Superior Valve Co Inc · PMA PQ05319NM · Replaces Fuel Drain AssemblyA761-1 · Feb 25, 2021
- [7025-24](https://drs.faa.gov/browse/excelExternalWindow/6CC681A4BB87DF7486258566004187B4.0001): Battery. Teledyne Battery Products · PMA PQ1006NM · Replaces Concorde RG-25XC · Sep 16, 2019
- [R2091000](https://drs.faa.gov/browse/excelExternalWindow/CE099D096781B71E8625856C0033583B.0001): Sunvisor System. Rosen Sunvisor Systems, LLC · PMA PQ2393NM · Modification part · Jul 23, 2019
- [CCB-36000H](https://drs.faa.gov/browse/excelExternalWindow/138BCF589A6B87DD8625854C004B1823.0001): Oil Drain Valve Assembly. Curtis Superior Valve Co Inc · PMA PQ05319NM · Replaces B367-1 · May 1, 2019
- [LSM-SCD-007-1](https://drs.faa.gov/browse/excelExternalWindow/F27A0B34E0EE2A3686258289005DAFF4.0001): Ballast To Power Wire Harness. LoPresti Speed Merchants · PMA PQ1372CE · Modification part · Apr 2, 2018
- [LSM-500-132-1](https://drs.faa.gov/browse/excelExternalWindow/E79474CD07678D5286258289005DAFE2.0001): Installation Instructions, Robinson Helicopter Comapny Taxi/ Landing Lights. LoPresti Speed Merchants · PMA PQ1372CE · Modification part · Apr 2, 2018
- [LSM-SCD-009-1](https://drs.faa.gov/browse/excelExternalWindow/D688910F8437CD9386258289005DAFF1.0001): HID Lamp Bulb. LoPresti Speed Merchants · PMA PQ1372CE · Modification part · Apr 2, 2018
- [LSM-500-300 -36T](https://drs.faa.gov/browse/excelExternalWindow/C52C03D38A654D9486258289005DAFEA.0001): Par 36 HID Flood Light RH Lens. LoPresti Speed Merchants · PMA PQ1372CE · Modification part · Apr 2, 2018
- [LSM-SCD-003-1](https://drs.faa.gov/browse/excelExternalWindow/8C8B17DFE048211B86258289005DAFE9.0001): Par 36 HID Spot Light LH Lens. LoPresti Speed Merchants · PMA PQ1372CE · Modification part · Apr 2, 2018
- [LSM-SCD-008 -12W](https://drs.faa.gov/browse/excelExternalWindow/77E30FA45D35CC9486258289005DAFF5.0001): HID Lamp Wire Harness. LoPresti Speed Merchants · PMA PQ1372CE · Modification part · Apr 2, 2018
- [LSM-501-103-5](https://drs.faa.gov/browse/excelExternalWindow/554FDE64CE62911C86258289005DAFED.0001): Ballast Mounting Guide. LoPresti Speed Merchants · PMA PQ1372CE · Modification part · Apr 2, 2018
- [LSM-SCD-019-5](https://drs.faa.gov/browse/excelExternalWindow/4EDE9AA5D91D3DAF86258289005DAFEC.0001): HID Light Ballast. LoPresti Speed Merchants · PMA PQ1372CE · Modification part · Apr 2, 2018
- [LSM-500-304-1](https://drs.faa.gov/browse/excelExternalWindow/0AA9CCF54233BA1686258289005DAFF2.0001): Strap. LoPresti Speed Merchants · PMA PQ1372CE · Modification part · Apr 2, 2018
- [87-05208-001](https://drs.faa.gov/browse/excelExternalWindow/C4B8A8A2B2422B728625822E007853B6.0001): Assembly, Light, PAR 46 Landing. Astronics Luminescent Systems Inc · PMA PQ0786NE · Replaces 01-0790750-20 · Jan 23, 2018
- [87-05207-002](https://drs.faa.gov/browse/excelExternalWindow/4BE4BA39295AB01E862581760058C64D.0001): Assembly, Light, PAR 36 Taxi. Astronics Luminescent Systems Inc · PMA PQ0786NE · Replaces 01-0771833-25 · Aug 1, 2017
- [87-05207-001](https://drs.faa.gov/browse/excelExternalWindow/4ACD6BDF5990D9C7862581760058C571.0001): Assembly, Light, PAR 36 Landing. Astronics Luminescent Systems Inc · PMA PQ0786NE · Replaces 01-0771833-20 · Aug 1, 2017
- [10-176487-121](https://drs.faa.gov/browse/excelExternalWindow/64AB1D34CCF7D2468625810200794153.0001): Starting Vibrator, S-200 Series, 12 Volts DC. Continental Motors Inc · PMA PQ1269CE · Replaces 10-176487-121, 10-176487-121, 63333… · Feb 16, 2017
- [100060](https://drs.faa.gov/browse/excelExternalWindow/0C4909F591D4BA2B862580E900777F6D.0001): Pull Down Installation  R22. HeliTrak, Inc. · PMA PQ05343NM · Modification part · Feb 8, 2017
- [SA3-00-D](https://drs.faa.gov/browse/excelExternalWindow/D5B3725F33B5FD1F86258026005E1ADE.0001): Gascolator. Steve's Aircraft · PMA PQ2372NM · Modification part · Jun 1, 2016
- [SA3-00-A](https://drs.faa.gov/browse/excelExternalWindow/AF5F202013722EDE86258026005E1A0E.0001): Gascolator. Steve's Aircraft · PMA PQ2372NM · Modification part · Jun 1, 2016
- [01-0790750-20](https://drs.faa.gov/browse/excelExternalWindow/DF585F07385239BF86257F000060B609.0001): LED Landing Light. Whelen Engineering Co Inc · PMA PQ0610NE · Modification part · Oct 28, 2015
- [01-0771833-20](https://drs.faa.gov/browse/excelExternalWindow/B3ED2FAAA3DCF33C86257F000060B51A.0001): LED Landing Light. Whelen Engineering Co Inc · PMA PQ0610NE · Modification part · Oct 28, 2015
- [01-0790750-10](https://drs.faa.gov/browse/excelExternalWindow/9D6AFCBD1348AD6186257F000060B5B8.0001): LED Landing Light. Whelen Engineering Co Inc · PMA PQ0610NE · Modification part · Oct 28, 2015
- [01-0771833-15](https://drs.faa.gov/browse/excelExternalWindow/687551E9968AF90886257F000060B4C0.0001): LED Taxi Light. Whelen Engineering Co Inc · PMA PQ0610NE · Modification part · Oct 28, 2015
- [01-0771833-25](https://drs.faa.gov/browse/excelExternalWindow/368AB879B374E71086257F000060B56A.0001): LED Taxi Light. Whelen Engineering Co Inc · PMA PQ0610NE · Modification part · Oct 28, 2015
- [01-0771833-10](https://drs.faa.gov/browse/excelExternalWindow/0973C66BC006449A86257F000060B467.0001): LED Landing Light. Whelen Engineering Co Inc · PMA PQ0610NE · Modification part · Oct 28, 2015
- [CAR-2200-1](https://drs.faa.gov/browse/excelExternalWindow/ED2F370C5351C61086257D7800553843.0001): Fairing. Cascade STC, LLC · PMA PQ5275NM · Modification part · Sep 1, 2014
- [CAR-2200-3](https://drs.faa.gov/browse/excelExternalWindow/BD46EAD0216FECCE86257D7800553845.0001): Fairing. Cascade STC, LLC · PMA PQ5275NM · Modification part · Sep 1, 2014
- [CAR-2200-2](https://drs.faa.gov/browse/excelExternalWindow/AE372E5F655E117986257D7800553844.0001): Fairing. Cascade STC, LLC · PMA PQ5275NM · Modification part · Sep 1, 2014
- [B-00371-1](https://drs.faa.gov/browse/excelExternalWindow/D1B9BB7012B252A486257AB60074822C.0001): Alternator Control, 14V. Lamar Technologies LLC · PMA PQ2242NM · Replaces B-00371-2 · Oct 28, 2012
- [01-0771424-25](https://drs.faa.gov/browse/excelExternalWindow/DFC8C9A036093F40862579EC00539710.0001): LED PAR36 Taxi Light. Whelen Engineering Co Inc · PMA PQ0610NE · Replaces 01-0771424-25 · Apr 10, 2012
- [01-0771424-20](https://drs.faa.gov/browse/excelExternalWindow/BD84CA0936FC287C862579EC0053969B.0001): LED PAR36 Landing Light. Whelen Engineering Co Inc · PMA PQ0610NE · Replaces 01-0771424-20 · Apr 10, 2012
- [01-0771424-10](https://drs.faa.gov/browse/excelExternalWindow/3A8EEF8AE12997AF862579EC0053960D.0001): LED PAR36 Landing Light. Whelen Engineering Co Inc · PMA PQ0610NE · Replaces 01-0771424-10 · Apr 10, 2012
- [01-0771424-15](https://drs.faa.gov/browse/excelExternalWindow/2788755BBBD7B122862579EC00539658.0001): LED PAR36 Taxi Light. Whelen Engineering Co Inc · PMA PQ0610NE · Replaces 01-0771424-15 · Apr 10, 2012
- [200-262-01](https://drs.faa.gov/browse/excelExternalWindow/7A1F8D6276C3DB9E862579E400487810.0001): R22 Cargo Hook Suspension System. Onboard Systems · PMA PQ0055NM · Modification part · Feb 22, 2012
- [B-00371-1](https://drs.faa.gov/browse/excelExternalWindow/3E3502141EFD473186257AB60073237A.0001): Alternator Control, 14V. Lamar Technologies LLC · PMA PQ2242NM · Replaces B-00371-2 · Dec 14, 2010
- [H-47C](https://drs.faa.gov/browse/excelExternalWindow/47C10F4C9C07A3B48625779E005D4C4A.0001): Aerial Advertising System. Sky Sign Inc · PMA PQ4100CE · Modification part · Aug 18, 2010
- [AA12S-600](https://drs.faa.gov/browse/excelExternalWindow/5BBA9C03346D8AA2862576560045E8C3.0001): Audio Panel. Wulfsberg Electronics Division · PMA PQ2204NM · Replaces AA12S-600 · Oct 8, 2009
- [AA83-100](https://drs.faa.gov/browse/excelExternalWindow/61E86ECBEC359C5E8625764A00730DEC.0001): Intercom. Wulfsberg Electronics Division · PMA PQ2204NM · Replaces AA83-100 · Sep 30, 2009
- [AA-RBPT-100](https://drs.faa.gov/browse/excelExternalWindow/8968A0CA0E3BDF83862573DA00739046.0001): Blade Protective Tape Kit. Airwolf Aerospace LLC (formerly Airwolf Helicopter) · PMA PQ2684CE · Modification part · Jan 2, 2008
- [4200-002-5](https://drs.faa.gov/browse/excelExternalWindow/BFABFE72DE0D2CD8862576C7004D8CCC.0001): Circuit Breaker. SAFRAN Power USA LLC · PMA PQ1478CE · Replaces Robinson Helicopter Company P/N B297-5 · Apr 22, 2004

All of them: https://openairdocs.org/model/robinson-helicopter-r22-alpha/pma.md

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