# Robinson Helicopter R44 II - Type: Aircraft model (FAA registry) - Registry codes: 7640122, 7640123 - Manufacturer (registry): ROBINSON HELICOPTER COMPANY · ROBINSON HELICOPTER - Model: R44 II - Aircraft type: Rotorcraft - Category: Rotorcraft - Engines: 1 · Reciprocating - Seats: 4 - Weight class: Up to 12,499 lb - Certification: Type certificated - Data sheet: [TCDS H11NM](https://openairdocs.org/tcds/H11NM) (OpenAirDocs) - Holder: Robinson Helicopter Company - Registered aircraft: 1,382 - Page: https://openairdocs.org/model/robinson-helicopter-r44-ii Model codes come from the FAA registry's reference file. ADs are matched to them by model name and maker. The FAA lists this model under more than one registry code, usually for different spellings of the maker. This page covers them all. ## 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 2025-11-07](https://openairdocs.org/ad/2025-11-07): Engine/Transmission Coupling · Robinson Helicopter R44 and R44 II. Effective Jul 11, 2025 - [AD 2024-23-01](https://openairdocs.org/ad/2024-23-01): Main rotor drive system, Rotorcraft flight control · Robinson Helicopter R44 and R44 II. Effective Jan 7, 2025 - [AD 2024-20-07](https://openairdocs.org/ad/2024-20-07): Emergency Equipment; Emergency Flotation Section · Apical Emergency Float Kit, P/N 20498 (STC SR00780LA or 12 others). Effective Dec 5, 2024 - [AD 2024-20-03](https://openairdocs.org/ad/2024-20-03): Flight Control System · Robinson Helicopter R22 BETA, R22 MARINER, R44 and 1 more. Effective Nov 29, 2024 - [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 2022-19-12](https://openairdocs.org/ad/2022-19-12): Tail Rotor Blades · Robinson Helicopter R44, R44 II and R66. Effective Oct 20, 2022 - [AD 2022-12-08](https://openairdocs.org/ad/2022-12-08): Flight Control System Wiring, Engine Control System Wiring, Engine RPM Indicating System · Robinson Helicopter R22 BETA, R44 and R44 II. Effective Jun 29, 2022 - [AD 2020-18-08](https://openairdocs.org/ad/2020-18-08): Engine Air Intake System · Robinson Helicopter R44 II. Effective Aug 27, 2020 - [AD 2020-08-10](https://openairdocs.org/ad/2020-08-10): Tail Rotor Blades · Robinson Helicopter R44 and R44 II. Effective May 22, 2020 - [AD 2020-05-11](https://openairdocs.org/ad/2020-05-11): Agricultural Spray System · Robinson Helicopter R44 and R44 II with STC SR00286BO. Effective Apr 16, 2020 - [AD 2016-26-04](https://openairdocs.org/ad/2016-26-04): Main Rotor Blades · Robinson Helicopter R44, R44 II and R66. Effective Feb 8, 2017 - [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 2013-05-15](https://openairdocs.org/ad/2013-05-15): Emergency floats · Robinson Helicopter R44 and R44 II. Effective Apr 30, 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 2007-11-01](https://openairdocs.org/ad/2007-11-01): Seat belt buckle (buckle) assembly · Robinson Helicopter R44 and R44 II. Effective Jun 27, 2007 - [AD 95-26-05 R1](https://openairdocs.org/ad/95-26-05-R1): R44 Rotorcraft Flight Manual (RFM) · Robinson Helicopter R44 and R44 II. Effective Jul 6, 2004 - [AD 2003-24-51](https://openairdocs.org/ad/2003-24-51): Main rotor swashplate · Robinson Helicopter R44 and R44 II Historical (superseded or no longer in force): - [AD 2024-19-11](https://openairdocs.org/ad/2024-19-11) (historical): Engine/Transmission coupling · Robinson Helicopter R44 and R44 II. Effective Oct 31, 2024 - [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 2021-19-08](https://openairdocs.org/ad/2021-19-08) (historical): Tail Rotor Blades · Robinson Helicopter R44 and R44 II. Effective Sep 22, 2021 - [AD 2019-12-18](https://openairdocs.org/ad/2019-12-18) (historical): Engine Air Intake System · Robinson Helicopter R44 II. Effective Jul 5, 2019 - [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 ## Information bulletins (advisory) (17) - [SAIB 2024-05](https://openairdocs.org/saib/2024-05): Engine/Transmission Coupling, Gearmotor Assembly. Issued Oct 29, 2024 - [SAIB 2022-21](https://openairdocs.org/saib/2022-21): EMERGENCY FLOTATION SECTION, Pop-Out Float Under-inflation.. Issued Nov 21, 2022 - [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 AIR-21-14](https://openairdocs.org/saib/AIR-21-14): Robinson R44 and R66 HeliSAS Autopilot/Garmin Primary Flight Display (PFD) Interface. Issued Aug 24, 2021 - [SAIB AIR-21-11](https://openairdocs.org/saib/AIR-21-11): ROTORCRAFT SERVO SYSTEM (JASC 6730). Issued Jul 22, 2021 - [SAIB AIR-21-03](https://openairdocs.org/saib/AIR-21-03): Electrical Power System; Ameri-King RFI DC Filter Smoke/Fire. Issued Jan 28, 2021 - [SAIB SW-15-08R1](https://openairdocs.org/saib/SW-15-08R1): Robinson R44 and R44 Main Rotor Blades. Issued Mar 31, 2015 - [SAIB SW-15-08](https://openairdocs.org/saib/SW-15-08) (historical): Robinson R44 Main Rotor Blades. Issued Feb 23, 2015 - [SAIB SW-13-11](https://openairdocs.org/saib/SW-13-11): JASC Code 2810 Fuel Storage Robinson Helicopter Company Bladder Fuel Tank Retrofit. Issued Dec 26, 2012 - [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-09-36](https://openairdocs.org/saib/SW-09-36): Robinson Helicopter Company Hot Weather Operation. Issued Jun 30, 2009 - [SAIB SW-09-07](https://openairdocs.org/saib/SW-09-07): JASC Code 2410 Alternator-Generator Drive, Robinson Helicopter Company Alternator Belts. Issued Jan 30, 2009 - [SAIB SW-08-16](https://openairdocs.org/saib/SW-08-16): Air Conditioning Wiring Chafing. Issued Apr 2, 2008 - [SAIB SW-07-16](https://openairdocs.org/saib/SW-07-16): Rotor blade skin debonding. Issued Feb 9, 2007 - [SAIB SW-06-19](https://openairdocs.org/saib/SW-06-19): . Issued Dec 28, 2005 ## Registered aircraft (1,382, first 50) - [N1004T](https://openairdocs.org/aircraft/N1004T): [I1 Aviation LLC](https://openairdocs.org/faa-owner/I1%20AVIATION%20LLC), [Ronkonkoma, NY](https://openairdocs.org/faa-place/NY/Ronkonkoma), built 2010, S/N 13012 - [N100EE](https://openairdocs.org/aircraft/N100EE): [Concho Aviation LLC](https://openairdocs.org/faa-owner/CONCHO%20AVIATION%20LLC), [Sterling City, TX](https://openairdocs.org/faa-place/TX/Sterling%20City), built 2006, S/N 11028 - [N101GD](https://openairdocs.org/aircraft/N101GD): [101 Gd Corp](https://openairdocs.org/faa-owner/101%20GD%20CORP), [Miami, FL](https://openairdocs.org/faa-place/FL/Miami), built 2021, S/N 14434 - [N101SU](https://openairdocs.org/aircraft/N101SU): [Southern Utah University](https://openairdocs.org/faa-owner/SOUTHERN%20UTAH%20UNIVERSITY), [Cedar City, UT](https://openairdocs.org/faa-place/UT/Cedar%20City), built 2024, S/N 14728 - [N104TE](https://openairdocs.org/aircraft/N104TE): [N104te LLC](https://openairdocs.org/faa-owner/N104TE%20LLC), [Tucumcari, NM](https://openairdocs.org/faa-place/NM/Tucumcari), built 2011, S/N 13093 - [N106FC](https://openairdocs.org/aircraft/N106FC): [Folden Holdlings LLC](https://openairdocs.org/faa-owner/FOLDEN%20HOLDLINGS%20LLC), [Jonesboro, AR](https://openairdocs.org/faa-place/AR/Jonesboro), built 2012, S/N 13399 - [N107LJ](https://openairdocs.org/aircraft/N107LJ): [Raven Helicopter Corp](https://openairdocs.org/faa-owner/RAVEN%20HELICOPTER%20CORP), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 2010, S/N 13026 - [N1086B](https://openairdocs.org/aircraft/N1086B): [State Of Alaska](https://openairdocs.org/faa-owner/STATE%20OF%20ALASKA), [Anchorage, AK](https://openairdocs.org/faa-place/AK/Anchorage), built 2024, S/N 14698 - [N108AF](https://openairdocs.org/aircraft/N108AF): [Rideout Melvin B Jr](https://openairdocs.org/faa-owner/RIDEOUT%20MELVIN%20B%20JR), [Jarratt, VA](https://openairdocs.org/faa-place/VA/Jarratt), built 2005, S/N 10948 - [N108EH](https://openairdocs.org/aircraft/N108EH): [Polar Star Corp](https://openairdocs.org/faa-owner/POLAR%20STAR%20CORP), [Kalispell, MT](https://openairdocs.org/faa-place/MT/Kalispell), built 2005, S/N 10951 - [N108MQ](https://openairdocs.org/aircraft/N108MQ): [Arapahoe Flight Club LLC](https://openairdocs.org/faa-owner/ARAPAHOE%20FLIGHT%20CLUB%20LLC), [Colorado Springs, CO](https://openairdocs.org/faa-place/CO/Colorado%20Springs), built 2006, S/N 11067 - [N1092C](https://openairdocs.org/aircraft/N1092C): [State Of Alaska Department Of Public Safety](https://openairdocs.org/faa-owner/STATE%20OF%20ALASKA%20DEPARTMENT%20OF%20PUBLIC%20SAFETY), [Anchorage, AK](https://openairdocs.org/faa-place/AK/Anchorage), built 2023, S/N 14687 - [N109MC](https://openairdocs.org/aircraft/N109MC): [Prater Grant](https://openairdocs.org/faa-owner/PRATER%20GRANT), [La Vernia, TX](https://openairdocs.org/faa-place/TX/La%20Vernia), built 2006, S/N 11342 - [N10AF](https://openairdocs.org/aircraft/N10AF): [Hambelton Robert](https://openairdocs.org/faa-owner/HAMBELTON%20ROBERT), [Klamath Falls, OR](https://openairdocs.org/faa-place/OR/Klamath%20Falls), built 2006, S/N 11079 - [N10QH](https://openairdocs.org/aircraft/N10QH): [Comanche Maverick Air LLC](https://openairdocs.org/faa-owner/COMANCHE%20MAVERICK%20AIR%20LLC), [Houston, TX](https://openairdocs.org/faa-place/TX/Houston), built 2016, S/N 13990 - [N10UP](https://openairdocs.org/aircraft/N10UP): [Leonards Dream LLC](https://openairdocs.org/faa-owner/LEONARDS%20DREAM%20LLC), [Kent, OH](https://openairdocs.org/faa-place/OH/Kent), built 2019, S/N 14330 - [N110SX](https://openairdocs.org/aircraft/N110SX): [Skyryse Inc](https://openairdocs.org/faa-owner/SKYRYSE%20INC), [El Segundo, CA](https://openairdocs.org/faa-place/CA/El%20Segundo), built 2008, S/N 12328 - [N111PA](https://openairdocs.org/aircraft/N111PA): [Wpp Nautical LLC](https://openairdocs.org/faa-owner/WPP%20NAUTICAL%20LLC), [Helena, MT](https://openairdocs.org/faa-place/MT/Helena), built 2006, S/N 11276 - [N112JJ](https://openairdocs.org/aircraft/N112JJ): [November Alpha LLC](https://openairdocs.org/faa-owner/NOVEMBER%20ALPHA%20LLC), [Dover, DE](https://openairdocs.org/faa-place/DE/Dover), built 2004, S/N 10568 - [N112WF](https://openairdocs.org/aircraft/N112WF): [Whiskey Fox LLC](https://openairdocs.org/faa-owner/WHISKEY%20FOX%20LLC), [Kirkland, WA](https://openairdocs.org/faa-place/WA/Kirkland), built 2008, S/N 12486 - [N113AF](https://openairdocs.org/aircraft/N113AF): [Ra Aviation LLC](https://openairdocs.org/faa-owner/RA%20AVIATION%20LLC), [Clinton, LA](https://openairdocs.org/faa-place/LA/Clinton), built 2008, S/N 12133 - [N115PS](https://openairdocs.org/aircraft/N115PS): [Ag Farmacy Applications LLC](https://openairdocs.org/faa-owner/AG%20FARMACY%20APPLICATIONS%20LLC), [Erie, IL](https://openairdocs.org/faa-place/IL/Erie), built 2007, S/N 12047 - [N115RH](https://openairdocs.org/aircraft/N115RH): [Regional Helicopters LLC](https://openairdocs.org/faa-owner/REGIONAL%20HELICOPTERS%20LLC), [Anchorage, AK](https://openairdocs.org/faa-place/AK/Anchorage), built 2013, S/N 13470 - [N117LE](https://openairdocs.org/aircraft/N117LE): [Leading Edge Aviation Inc](https://openairdocs.org/faa-owner/LEADING%20EDGE%20AVIATION%20INC), [Bend, OR](https://openairdocs.org/faa-place/OR/Bend), built 2007, S/N 11714 - [N1189](https://openairdocs.org/aircraft/N1189): [Aeroluxe Aviation LLC](https://openairdocs.org/faa-owner/AEROLUXE%20AVIATION%20LLC), [Nashville, TN](https://openairdocs.org/faa-place/TN/Nashville), built 2014, S/N 13711 - [N118YL](https://openairdocs.org/aircraft/N118YL): [Executive Helicopters Inc](https://openairdocs.org/faa-owner/EXECUTIVE%20HELICOPTERS%20INC), [Myrtle Beach, SC](https://openairdocs.org/faa-place/SC/Myrtle%20Beach), built 2004, S/N 10399 - [N119MJ](https://openairdocs.org/aircraft/N119MJ): [N119mj LLC](https://openairdocs.org/faa-owner/N119MJ%20LLC), [Honolulu, HI](https://openairdocs.org/faa-place/HI/Honolulu), built 2013, S/N 13406 - [N11BM](https://openairdocs.org/aircraft/N11BM): [Robinson Helicopter Co](https://openairdocs.org/faa-owner/ROBINSON%20HELICOPTER%20CO), [Torrance, CA](https://openairdocs.org/faa-place/CA/Torrance), S/N 15043 - [N11GA](https://openairdocs.org/aircraft/N11GA): [Crosswind Leasing LLC](https://openairdocs.org/faa-owner/CROSSWIND%20LEASING%20LLC), [Prescott, AZ](https://openairdocs.org/faa-place/AZ/Prescott), built 2005, S/N 10826 - [N11HN](https://openairdocs.org/aircraft/N11HN): [Vstol Aviation LLC](https://openairdocs.org/faa-owner/VSTOL%20AVIATION%20LLC), [Houston, TX](https://openairdocs.org/faa-place/TX/Houston), built 2016, S/N 14040 - [N120AB](https://openairdocs.org/aircraft/N120AB): [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 2005, S/N 10868 - [N1212N](https://openairdocs.org/aircraft/N1212N): [Hgh Holdings LLC](https://openairdocs.org/faa-owner/HGH%20HOLDINGS%20LLC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 2024, S/N 14800 - [N121AH](https://openairdocs.org/aircraft/N121AH): [Soul Shine LLC](https://openairdocs.org/faa-owner/SOUL%20SHINE%20LLC), [Nashville, TN](https://openairdocs.org/faa-place/TN/Nashville), built 2004, S/N 10548 - [N121ME](https://openairdocs.org/aircraft/N121ME): [Evergreen Empire LLC](https://openairdocs.org/faa-owner/EVERGREEN%20EMPIRE%20LLC), [Delano, CA](https://openairdocs.org/faa-place/CA/Delano), built 2007, S/N 11797 - [N121RH](https://openairdocs.org/aircraft/N121RH): [Helirod LLC](https://openairdocs.org/faa-owner/HELIROD%20LLC), [Oro Valley, AZ](https://openairdocs.org/faa-place/AZ/Oro%20Valley), built 2023, S/N 14615 - [N121SX](https://openairdocs.org/aircraft/N121SX): built 2018, S/N 14147 - [N121TV](https://openairdocs.org/aircraft/N121TV): [Sky Helicopters Inc](https://openairdocs.org/faa-owner/SKY%20HELICOPTERS%20INC), [Eustace, TX](https://openairdocs.org/faa-place/TX/Eustace), built 2012, S/N 13214 - [N122AA](https://openairdocs.org/aircraft/N122AA): [Cnt Aviation LLC](https://openairdocs.org/faa-owner/CNT%20AVIATION%20LLC), [Lake Tapps, WA](https://openairdocs.org/faa-place/WA/Lake%20Tapps), built 2006, S/N 11228 - [N123MP](https://openairdocs.org/aircraft/N123MP): [Prairie River Farm Inc](https://openairdocs.org/faa-owner/PRAIRIE%20RIVER%20FARM%20INC), [Watertown, SD](https://openairdocs.org/faa-place/SD/Watertown), built 2010, S/N 12796 - [N123MV](https://openairdocs.org/aircraft/N123MV): [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 2005, S/N 10664 - [N123SU](https://openairdocs.org/aircraft/N123SU): [Southern Utah University](https://openairdocs.org/faa-owner/SOUTHERN%20UTAH%20UNIVERSITY), [Cedar City, UT](https://openairdocs.org/faa-place/UT/Cedar%20City), built 2024, S/N 14727 - [N123YW](https://openairdocs.org/aircraft/N123YW): [Maxwell Truck And Equipment LLC](https://openairdocs.org/faa-owner/MAXWELL%20TRUCK%20AND%20EQUIPMENT%20LLC), [State College, PA](https://openairdocs.org/faa-place/PA/State%20College), built 2005, S/N 10606 - [N124AS](https://openairdocs.org/aircraft/N124AS): [Lek Services Corp](https://openairdocs.org/faa-owner/LEK%20SERVICES%20CORP), [Houston, TX](https://openairdocs.org/faa-place/TX/Houston), S/N 11232 - [N124HH](https://openairdocs.org/aircraft/N124HH): [Rotorwing LLC](https://openairdocs.org/faa-owner/ROTORWING%20LLC), [Sheffield, IL](https://openairdocs.org/faa-place/IL/Sheffield), built 2008, S/N 12267 - [N1253P](https://openairdocs.org/aircraft/N1253P): [Maco Aviation Inc](https://openairdocs.org/faa-owner/MACO%20AVIATION%20INC), [Dayton, WA](https://openairdocs.org/faa-place/WA/Dayton), built 2007, S/N 11715 - [N125WF](https://openairdocs.org/aircraft/N125WF): [Southern Aircraft Consultancy Inc Trustee](https://openairdocs.org/faa-owner/SOUTHERN%20AIRCRAFT%20CONSULTANCY%20INC%20TRUSTEE), [Casper, WY](https://openairdocs.org/faa-place/WY/Casper), built 2004, S/N 10445 - [N126SK](https://openairdocs.org/aircraft/N126SK): [Soky Helicopters LLC](https://openairdocs.org/faa-owner/SOKY%20HELICOPTERS%20LLC), [Bowling Green, KY](https://openairdocs.org/faa-place/KY/Bowling%20Green), built 2008, S/N 12382 - [N1273](https://openairdocs.org/aircraft/N1273): [Taf Investments LLC](https://openairdocs.org/faa-owner/TAF%20INVESTMENTS%20LLC), [Doraville, GA](https://openairdocs.org/faa-place/GA/Doraville), built 2021, S/N 14489 - [N1282S](https://openairdocs.org/aircraft/N1282S): [Scharfenberg Andrea](https://openairdocs.org/faa-owner/SCHARFENBERG%20ANDREA), [Maquon, IL](https://openairdocs.org/faa-place/IL/Maquon), built 2014, S/N 13618 - [N128AF](https://openairdocs.org/aircraft/N128AF): [Summerskyz Inc](https://openairdocs.org/faa-owner/SUMMERSKYZ%20INC), [Saint Joseph, IL](https://openairdocs.org/faa-place/IL/Saint%20Joseph), built 2006, S/N 11475 All 1,382: https://openairdocs.org/model/robinson-helicopter-r44-ii/aircraft.md ## NTSB investigations (292, newest 50) 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 CEN26LA317](https://openairdocs.org/ntsb/CEN26LA317), Sep 13, 2026: Robinson Helicopter R44 II (N7527L), Natchez, MS, substantial damage, investigation ongoing - [NTSB ANC26LA103](https://openairdocs.org/ntsb/ANC26LA103), Sep 11, 2026: Robinson Helicopter R44 II (N4026E), Colquitt, GA, substantial damage, investigation ongoing - [NTSB ANC26LA084](https://openairdocs.org/ntsb/ANC26LA084), Aug 13, 2026: Robinson Helicopter R44 II (N861MP), Anthony, FL, substantial damage, investigation ongoing - [NTSB CEN26LA276](https://openairdocs.org/ntsb/CEN26LA276), Aug 2, 2026: Robinson Helicopter R44 II (N26KL), Bennett, IA, substantial damage, investigation ongoing - [NTSB CEN26LA256](https://openairdocs.org/ntsb/CEN26LA256), Jul 16, 2026: Robinson Helicopter R44 II (N322TC), Coralville, IA, substantial damage. Probable cause: The pilot’s failure to maintain clearance from a power line during a low-level aerial application flight. - [NTSB CEN26LA168](https://openairdocs.org/ntsb/CEN26LA168), Apr 17, 2026: Robinson Helicopter R44 (N445JS), Mount Blanco, TX, substantial damage. Probable cause: The pilot’s failure to maintain proper main rotor rpm during a low-level turn, which resulted in the main rotor rpm drooping, a loss of control at an altitude too low for recovery, and a subsequent… - [NTSB CEN26LA148](https://openairdocs.org/ntsb/CEN26LA148), Mar 24, 2026: Robinson Helicopter R44 II (N233JD), Stonewall, TX, substantial damage, investigation ongoing - [NTSB CEN26LA101](https://openairdocs.org/ntsb/CEN26LA101), Jan 29, 2026: Robinson Helicopter R44 II (N916VK), Sullivan, MO, destroyed. Probable cause: The pilot’s failure to maintain clearance from powerlines during low-level operations. - [NTSB WPR26LA083](https://openairdocs.org/ntsb/WPR26LA083), Jan 19, 2026: Robinson R44 (N996NR), Parkman, WY, substantial damage. Probable cause: The pilots’ failure to maintain separation while conducting air work in a common operational area. Contributing to the accident was the pilots’ divided attention associated with the mission activity… - [NTSB WPR26LA083](https://openairdocs.org/ntsb/WPR26LA083), Jan 19, 2026: Robinson R44 (N74730), Parkman, WY, substantial damage. Probable cause: The pilots’ failure to maintain separation while conducting air work in a common operational area. Contributing to the accident was the pilots’ divided attention associated with the mission activity… - [NTSB CEN25LA359](https://openairdocs.org/ntsb/CEN25LA359), Aug 31, 2025: Robinson Helicopter R44 II (N442PR), Nashville, AR, substantial damage. Probable cause: The pilot’s inadequate fuel planning which resulted in a total loss of power due to fuel exhaustion. Contributing to the accident was the landing zone being unlit. - [NTSB ANC25LA099](https://openairdocs.org/ntsb/ANC25LA099), Aug 29, 2025: Robinson Helicopter R44 II (N74435), Petersville, AK, substantial damage. Probable cause: The pilot’s exceedance of the helicopter’s available power while landing in a remote confined area, which resulted in rotor droop and a hard landing. - [NTSB WPR25LA262](https://openairdocs.org/ntsb/WPR25LA262), Aug 18, 2025: Robinson Helicopter R44 II (N877DR), Burlington, WA, substantial damage. Probable cause: The pilot’s failure to see and avoid the light pole, which resulted in a collision with the light pole and subsequent ground impact. - [NTSB CEN25LA326](https://openairdocs.org/ntsb/CEN25LA326), Aug 16, 2025: Robinson Helicopter R44 II (N24DF), Cape Girardeau, MO, substantial damage, investigation ongoing - [NTSB WPR25LA239](https://openairdocs.org/ntsb/WPR25LA239), Aug 3, 2025: Robinson Helicopter R44 II (N750GT), Ponderosa Pines, MT, substantial damage. Probable cause: The pilot’s improper pedal application during an approach to a hover. - [NTSB ERA25LA267](https://openairdocs.org/ntsb/ERA25LA267), Jul 9, 2025: Robinson Helicopter R44 II (N67RW), Inlet, NY, substantial damage. Probable cause: The pilot’s failure to maintain control of the helicopter during the landing. - [NTSB CEN25LA237](https://openairdocs.org/ntsb/CEN25LA237), Jul 4, 2025: Robinson Helicopter R44 II (N992TP), Pecos, TX, substantial damage. Probable cause: The pilot’s failure to maintain aircraft control during gusty wind conditions. - [NTSB ANC25LA064](https://openairdocs.org/ntsb/ANC25LA064), Jun 30, 2025: Robinson Helicopter R44 II (N531AT), Palmer, AK, substantial damage. Probable cause: The pilot’s diverted attention during takeoff in flat light conditions, which resulted in a loss of visual reference with terrain. - [NTSB ERA25LA240](https://openairdocs.org/ntsb/ERA25LA240), Jun 25, 2025: Robinson Helicopter R44 II (N144WK), Hawesville, KY, substantial damage. Probable cause: The pilot’s failure to maintain clearance from power lines during low-level agricultural spray operations. - [NTSB CEN25FA183](https://openairdocs.org/ntsb/CEN25FA183), May 23, 2025: Robinson Helicopter R44 II (N1195P), Miami, TX, destroyed, 1 fatal, investigation ongoing - [NTSB WPR25LA118](https://openairdocs.org/ntsb/WPR25LA118), Mar 25, 2025: Robinson Helicopter R44 II (N7530U), Hobbs, NM, substantial damage. Probable cause: The student pilot’s loss of directional control during a hover, which resulted in an impact with terrain. - [NTSB WPR25LA110](https://openairdocs.org/ntsb/WPR25LA110), Mar 10, 2025: Robinson Helicopter R44 II (N44KY), Las Vegas, NV, substantial damage. Probable cause: The pilot’s loss of helicopter control after the door opened during takeoff. Contributing to the accident was the pilot’s failure to confirm that the door was properly closed before departure. - [NTSB CEN25LA116](https://openairdocs.org/ntsb/CEN25LA116), Mar 10, 2025: Robinson Helicopter R44 II (N128AF), Chicago, IL, substantial damage, investigation ongoing - [NTSB CEN25LA105](https://openairdocs.org/ntsb/CEN25LA105), Feb 27, 2025: Robinson Helicopter R44 II (N6555C), Edgemont, SD, no damage. Probable cause: The pilot’s failure to properly identify the proper anchor point for the supplemental harness and the crew’s incorrect use of the restraint system structure as an anchor point, which resulted in the… - [NTSB CEN25FA104](https://openairdocs.org/ntsb/CEN25FA104), Feb 27, 2025: Robinson Helicopter R44 (N144SG), Uvalde, TX, substantial damage, 2 fatal, investigation ongoing - [NTSB CEN25LA073](https://openairdocs.org/ntsb/CEN25LA073), Jan 8, 2025: Robinson Helicopter R44 II (N430JM), Buras, LA, substantial damage. Probable cause: The pilot’s failure to maintain control during a hover taxi with a quartering tailwind. - [NTSB WPR25LA034](https://openairdocs.org/ntsb/WPR25LA034), Nov 7, 2024: Robinson Helicopter R44 II (N4361R), Durkee, OR, substantial damage. Probable cause: The pilot's inadequate performance planning, which resulted in insufficient engine power to transition into an out-of-ground-effect hover at a high gross weight. - [NTSB CEN25FA034](https://openairdocs.org/ntsb/CEN25FA034), Nov 2, 2024: Robinson Helicopter R44 II (N62CD), Iowa, LA, destroyed, 3 fatal, investigation ongoing - [NTSB CEN25FA019](https://openairdocs.org/ntsb/CEN25FA019), Oct 21, 2024: Robinson R44 (N881KE), Houston, TX, destroyed, 4 fatal. Probable cause: The pilot’s failure to maintain clearance from a lighted radio tower during a visual night flight. Contributing to the accident was the air traffic controller’s failure to issue a safety alert… - [NTSB ERA24LA393](https://openairdocs.org/ntsb/ERA24LA393), Sep 23, 2024: Robinson Helicopter R44 II (N153LA), Ravenel, SC, substantial damage. Probable cause: The pilot’s failure to maintain clearance from terrain, which resulted in the right skid contacting the ground and a subsequent rollover. - [NTSB WPR24LA307](https://openairdocs.org/ntsb/WPR24LA307), Sep 15, 2024: Robinson Helicopter R44 II (N233WT), Basin, MT, substantial damage. Probable cause: The pilot’s decision to continue performing a high-performance takeoff in a full throttle and low-rotor-rpm condition, which resulted in a loss of control and subsequent impact with terrain. - [NTSB ANC24LA079](https://openairdocs.org/ntsb/ANC24LA079), Aug 18, 2024: Robinson Helicopter R44 II (N783AK), Palmer, AK, substantial damage. Probable cause: The pilot's failure to follow the operator’s procedure manual and attempted to land at a remote landing zone in high wind conditions. Contributing factor was the pilot’s decision to not conduct a fly… - [NTSB WPR24LA241](https://openairdocs.org/ntsb/WPR24LA241), Jul 13, 2024: Robinson Helicopter R44 II (N6960), Herriman, UT, substantial damage. Probable cause: A hard landing following a total loss of engine power due to fuel starvation as a result of the improper idle setting of the helicopter’s engine. Contributing to the loss of engine power was the… - [NTSB CEN24LA252](https://openairdocs.org/ntsb/CEN24LA252), Jul 4, 2024: Robinson Helicopter R44 II (N225AM), New Florence, MO, substantial damage. Probable cause: The pilot’s failure to maintain proper altitude/clearance from a dead tree limb during an aerial application flight. - [NTSB WPR24FA200](https://openairdocs.org/ntsb/WPR24FA200), Jun 19, 2024: Robinson Helicopter R44 II (N323TT), Bluestem, WA, destroyed, 2 fatal. Probable cause: The pilot’s failure to manage main rotor rpm during an autorotation, which resulted in a loss of helicopter control. Contributing to the accident was a loss of power for reasons that could not be… - [NTSB ERA24LA236](https://openairdocs.org/ntsb/ERA24LA236), Jun 2, 2024: Robinson R44 (N220SW), Gilbertsville, KY, substantial damage. Probable cause: The pilot's failure to maintain control of the helicopter while attempting to take off from sloping terrain. - [NTSB ERA24LA171](https://openairdocs.org/ntsb/ERA24LA171), Apr 9, 2024: Robinson Helicopter R44 II (N331EL), South Kingstown, RI, substantial damage. Probable cause: The pilot’s failure to maintain clearance from the water while maneuvering at low altitude. - [NTSB ANC24LA013](https://openairdocs.org/ntsb/ANC24LA013), Feb 11, 2024: Robinson Helicopter R44 II (N74868), Glacier View, AK, substantial damage. Probable cause: A sudden stoppage of the tail rotor for unknown reasons, which resulted in the tortional overload failure of the tail rotor driveshaft. - [NTSB CEN24LA112](https://openairdocs.org/ntsb/CEN24LA112), Feb 7, 2024: Robinson Helicopter R44 II (N4054Y), Tupelo, MS, substantial damage. Probable cause: The pilot’s failure to maintain clearance from water during a dark night landing. - [NTSB ERA24LA118](https://openairdocs.org/ntsb/ERA24LA118), Feb 1, 2024: Robinson Helicopter R44 II (N521LS), Miami, FL, substantial damage. Probable cause: Tail rotor contact with an unseen object while performing a precautionary landing to a closed helipad at night. - [NTSB WPR24LA092](https://openairdocs.org/ntsb/WPR24LA092), Dec 6, 2023: Robinson Helicopter R44 II (N422DX), Calexico, CA, substantial damage. Probable cause: The pilot's failure to maintain clearance from power lines during an aerial application flight. - [NTSB ERA24LA042](https://openairdocs.org/ntsb/ERA24LA042), Nov 18, 2023: Robinson Helicopter R44 II (N789GR), Ogdensburg, NY, substantial damage. Probable cause: The loss of control of the helicopter during taxi, which resulted in rollover. - [NTSB CEN23LA341](https://openairdocs.org/ntsb/CEN23LA341), Jul 31, 2023: Robinson Helicopter R44 II (N644ME), Arthur, IL, substantial damage. Probable cause: The pilot’s failure to maintain clearance from trees during a low-level aerial application flight. - [NTSB CEN23LA326](https://openairdocs.org/ntsb/CEN23LA326), Jul 26, 2023: Robinson Helicopter R44 II (N4174L), Charles City, IA, substantial damage. Probable cause: The pilot’s improper preflight of the helicopter to ensure that it was within the loading and performance limitations that resulted in settling and impact with terrain during initial climb. - [NTSB CEN23LA306](https://openairdocs.org/ntsb/CEN23LA306), Jul 14, 2023: Robinson Helicopter R44 II (N62RK), Pocahontas, IL, substantial damage. Probable cause: A reported loss of engine power for undetermined reasons. - [NTSB WPR23LA263](https://openairdocs.org/ntsb/WPR23LA263), Jul 9, 2023: Robinson Helicopter R44 II (N163RK), Marble Falls, TX, substantial damage. Probable cause: A total loss of engine power due to fuel contamination from an unknown source. - [NTSB ERA23LA228](https://openairdocs.org/ntsb/ERA23LA228), May 11, 2023: Robinson Helicopter R44 II (N62HT), Bradenton, FL, substantial damage. Probable cause: The pilot’s failure to maintain adequate rotor rpm during landing which resulted in a premature landing on uneven ground and a subsequent rollover. - [NTSB ANC23LA032](https://openairdocs.org/ntsb/ANC23LA032), May 9, 2023: Robinson Helicopter R44 II (N704T), Skwentna, AK, substantial damage. Probable cause: The pilot's failure to maintain adequate altitude/clearance from terrain while maneuvering in adverse weather conditions, which resulted in a dynamic rollover. - [NTSB WPR23LA170](https://openairdocs.org/ntsb/WPR23LA170), Apr 28, 2023: Robinson Helicopter R44 II (N549TS), Van Nuys, CA, substantial damage. Probable cause: The pilot’s failure to maintain lateral control of the helicopter, which resulted in a hard landing. - [NTSB WPR23LA145](https://openairdocs.org/ntsb/WPR23LA145), Apr 1, 2023: Robinson Helicopter R44 II (N462BA), Elko, NV, substantial damage. Probable cause: The pilot’s failure to maintain sufficient altitude and airspeed in gusting tailwind conditions that resulted in an unrecoverable descent and impact with terrain. All 292: https://openairdocs.org/model/robinson-helicopter-r44-ii/ntsb.md ## FAA accident and incident reports (324, 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. - [Incident 20260927012349I](https://openairdocs.org/incident/20260927012349I), Sep 27, 2026: Robinson R-44 (N255PK), Ozona, TX, Minor damage. On September 27, 2026, at 1235 CDT, a Robinson R-44 helicopter bearing registration number [privacy data omitted], registered to a corporation, struck a wire… - [Accident 20260812011269A](https://openairdocs.org/incident/20260812011269A), Aug 12, 2026: Robinson Helicopter Company R44 II (N861MP), Anthony, FL, Substantial damage. The pilot reported that while in cruse flight, the engine had a sudden reduction in power. The pilot initiated an autorotation when power was regained, causing… - [Accident 20260802011379A](https://openairdocs.org/incident/20260802011379A), Aug 2, 2026: Robinson Helicopter Company R44 II (N26KL), Bennett, IA, Substantial damage. Pilot-in-command experienced an unknown shake/shimmy throughout aircraft while crossing a row of trees. The shake subsided momentarily, then returned.… - [Accident 20260715007689A](https://openairdocs.org/incident/20260715007689A), Jul 15, 2026: Robinson Helicopter Company R44 II (N322TC), Iowa City, IA, Substantial damage. Pilot-in-command contacted a telephone wire with the right spray boom resulting in an unusual attitude which led to the helicopter crash-landing in a cornfield. - [Accident 20260417003629A](https://openairdocs.org/incident/20260417003629A), Apr 17, 2026: Robinson Helicopter Company R44 II (N445JS), Crosbyton, TX, Substantial damage. On April 17, 2026, at approximately 1145, a Robinson R44 helicopter, impacted the ground approximately seven miles north of Crosbyton, Texas. The aircraft was… - [Accident 20260324003489A](https://openairdocs.org/incident/20260324003489A), Mar 24, 2026: Robinson Helicopter Company R44 II (N233JD), Fredericksburg, TX, Substantial damage. On March 24, 2026, at approximately 0930 local time, a Robinson R44 ii helicopter was substantially damaged during an accident that occurred on a private ranch… - [Accident 20260129000929A](https://openairdocs.org/incident/20260129000929A), Jan 29, 2026: Robinson Helicopter Company R44 II (N916VK), Sullivian, MO, Substantial damage. The airman had completed arial survey operations and was en route to conduct a passenger exchange. The airman was operating approximately 40 feet above the… - [Accident 20260119000311A](https://openairdocs.org/incident/20260119000311A), Jan 19, 2026: Robinson Helicopter Company R44 II (N74730), Sheridan, WY, Substantial damage. R-44 #1 rotor struck R-44 #2 tail rotor mid air. Both aircraft made an emergency landing. Minor damage to R-44 #1 substantial damage to R-44 #2 - [Accident 20260119000302A](https://openairdocs.org/incident/20260119000302A), Jan 19, 2026: Robinson Helicopter Company R44 II (N996NR), Sheridan, WY, Minor damage. Robinson R-44 aircraft #2 was struck in the tail rotor by R-44 #1 both aircraft initiated an emergency landing. No injuries and minor damage to R-44 #2 and… - [Accident 20250830020649A](https://openairdocs.org/incident/20250830020649A), Aug 30, 2025: Robinson Helicopter Company R44 II (N442PR), Nashville, AR, Substantial damage. The pilot reported that while en route to his home, about two minutes from his planned landing zone, the low-fuel light illuminated. He flew past the intended… - [Accident 20250829017419A](https://openairdocs.org/incident/20250829017419A), Aug 29, 2025: Robinson Helicopter Company R44 II (N74435), Petersville, AK, Substantial damage. Pilot was shuttling a group of 10 tour passengers from one ridge to another, both takeoff/landing areas approximately 3800 ft MSL. The first group to be… - [Accident 20250818018099A](https://openairdocs.org/incident/20250818018099A), Aug 18, 2025: Robinson Helicopter Company R44 II (N877DR), Burlington, WA, Substantial damage. Helcopter was lifing off from a flatbed trailer. In the process of departing, the pilot swung the tail around to depart and subsequently hit the tail boom on… - [Accident 20250816015469A](https://openairdocs.org/incident/20250816015469A), Aug 16, 2025: Robinson Helicopter Company R44 II (N24DF), Cape Girardeau, MO, Substantial damage. Airman was conducting air tour operations at approximately 400 feet AGL at 75 knots on approach to landing when the aircraft developed abnormal… - [Accident 20250803011099A](https://openairdocs.org/incident/20250803011099A), Aug 3, 2025: Robinson Helicopter Company R44 II (N750GT), Clarkston, MT, Substantial damage. On August 03, 2025 a Robinson helicopter, model R44, crashed in a remote location se of helena Montana. The pilot was practicing a hover at the time of the… - [Accident 20250709011119A](https://openairdocs.org/incident/20250709011119A), Jul 9, 2025: Robinson Helicopter Company R44 II (N67RW), Inlet, NY, Substantial damage. Pilot stated he was making an approach to the landing dock located adjacent to the lake. As he descended toward the water he misjudged the amount of decrease… - [Accident 20250704009429A](https://openairdocs.org/incident/20250704009429A), Jul 4, 2025: Robinson Helicopter Company R44 II (N992TP), Pecos, TX, Substantial damage. On July 04, 2025, at 1105 CDT, a Robinson R-44-II incurred substantial damage when it impacted terrain while attempting to hover-taxi. The aircraft was being… - [Accident 20250629008789A](https://openairdocs.org/incident/20250629008789A), Jun 29, 2025: Robinson Helicopter Company R44 II (N531AT), Palmer, AK, Substantial damage. Pilot took off from glacier setting with snow covered terrain and flat light conditions. Upon lift up to about 50'AGL facing eastward, pilot initiated left… - [Accident 20250625012139A](https://openairdocs.org/incident/20250625012139A), Jun 25, 2025: Robinson Helicopter Company R44 II (N144WK), Hawesville, KY, Destroyed. Helicopter was performing agricultural spraying of a corn field when the main rotor mast struck a utility power line. The impact severed the blade links, and… - [Accident 20250523005559A](https://openairdocs.org/incident/20250523005559A), May 23, 2025: Robinson Helicopter Company R44 II (N1195P), Miami, TX, Destroyed, 1 fatal. On 05/23/2025 at approximately 0718 central time, a Robinson R-44 helicopter bearing registration number [privacy data omitted] impacted terrain approximately… - [Accident 20250325007519A](https://openairdocs.org/incident/20250325007519A), Mar 25, 2025: Robinson Helicopter Company R44 II (N7530U), Hobbs, NM, Substantial damage. On March 25, 2025, a Robinson R-44, while attempting to hover taxi, encountered a dynamic rollover and impacted terrain. The aircraft sustained substantial… - [Accident 20250309003779A](https://openairdocs.org/incident/20250309003779A), Mar 9, 2025: Robinson Helicopter Company R44 II (N44KY), North Las Vegas, NV, Substantial damage. On 03/09/2025 at approximately 2105 PST, a Robinson R-44II helicopter, departed the North Las Vegas Airport, kvgt, on a VFR air tour flight of the las Vegas… - [Accident 20250227002629A](https://openairdocs.org/incident/20250227002629A), Feb 27, 2025: Robinson Helicopter Company R44 II (N144SG), Uvalde, TX, Substantial damage, 2 fatal. The aircraft was being used to perform wildlife animal survey flying 75-100 AGL. Aircraft impacted the ground nose down leaving two parallel scars from the… - [Accident 20250227001329A](https://openairdocs.org/incident/20250227001329A), Feb 27, 2025: Robinson Helicopter Company R44 II (N6555C), Edgemont, SD, No damage. On 2/27/25 at approximately 7:30AM mt, a Robinson R-44 [privacy data omitted], LLC was conducting an elk survey/capture operation when the gunner fell from the… - [Accident 20250108000259A](https://openairdocs.org/incident/20250108000259A), Jan 8, 2025: Robinson Helicopter Company R44 II (N430JM), Buras, LA, Substantial damage. After a brief flight, the helicopter came back to the runway and entered a hover to land. The winds were gusty and while attempting a right peddle turn to taxi… - [Accident 20241107016699A](https://openairdocs.org/incident/20241107016699A), Nov 7, 2024: Robinson Helicopter Company R44 II (N4361R), Durkee, OR, Substantial damage. On short final to the ridgeline with an external load the pilot began to settle into the lz. He jettisoned the load and spread the skids in the trees where he… - [Accident 20241101016939A](https://openairdocs.org/incident/20241101016939A), Nov 1, 2024: Robinson Helicopter Company R44 II (N62CD), Iowa, LA, Destroyed, 3 fatal. A student pilot, whithout a solo endorsement and flying at night, intended to fly his personal helicopter from a restaurant to his home with [privacy data… - [Accident 20241020020529A](https://openairdocs.org/incident/20241020020529A), Oct 20, 2024: Robinson Helicopter Company R44 II (N881KE), Houston, TX, Destroyed, 4 fatal. Aircraft operating at 600 ft flying straight and evel struck a 1000 ft transmission tower exploded and burned - [Accident 20240923013399A](https://openairdocs.org/incident/20240923013399A), Sep 23, 2024: Robinson Helicopter Company R44 II (N153LA), Ravenel, SC, Substantial damage. Eon-dra message text: Ravenel, SC: [privacy data omitted], R44, was executing a precautionary landing on a farm with cattle at [privacy data omitted], SC when… - [Incident 20240919013729I](https://openairdocs.org/incident/20240919013729I), Sep 19, 2024: Robinson Helicopter Company R44 II (N1413X), Eagle, AK, Minor damage. The pilot departed Eagle, AK enroute to a remote landing zone. Upon arrival, the pilot determined that the landing zone was unsuitable to land. During the… - [Accident 20240915012459A](https://openairdocs.org/incident/20240915012459A), Sep 15, 2024: Robinson Helicopter Company R44 II (N233WT), Basin, MT, Destroyed. The pilot stated the following: "We landed at our cabin at 1100 in the morning, upon descending into the landing zone I completed a hover check." "The weather… - [Accident 20240818014129A](https://openairdocs.org/incident/20240818014129A), Aug 18, 2024: Robinson Helicopter Company R44 II (N783AK), Palmer, AK, Substantial damage. On August 18th, 2024, at approximately 1230, a helicopter with 3 passengers and a pilot departed its base of operations on a glacier tour. The passengers… - [Incident 20240715008539I](https://openairdocs.org/incident/20240715008539I), Jul 15, 2024: Robinson Helicopter Company R44 II (N4QH), Talkeetna, AK, Minor damage. Departed the Talkeetna Airport at 2:00PM local with the current afis and traffic advisory carrying a sling load on a 100FT line. Weather at the airport was… - [Accident 20240713010499A](https://openairdocs.org/incident/20240713010499A), Jul 13, 2024: Robinson Helicopter R44 II (N6960), Herriman, UT, Substantial damage. During flight pilot/cfi reduced throttle to demonstrate autorotation to student. Immediately following reduction of throttle, experienced engine failure… - [Accident 20240704010619A](https://openairdocs.org/incident/20240704010619A), Jul 4, 2024: Robinson Helicopter Company R44 II (N225AM), New Florence, MO, Destroyed. The airman was conducting part 137 spray operations and made a cleanup pass along the edge of a field, descending to approximately 15 feet above the… - [Accident 20240619009029A](https://openairdocs.org/incident/20240619009029A), Jun 19, 2024: Robinson Helicopter Company R44 II (N323TT), Bluestem, WA, Destroyed, 2 fatal. Helicopter on cross country flight encountered a sudden loss of altitude while at cruising altitude of 750' and an airspeed of 69 KTS. Aircraft's tailboom was… - [Accident 20240602009529A](https://openairdocs.org/incident/20240602009529A), Jun 2, 2024: Robinson Helicopter Company R44 II (N220SW), Gilbertsville, KY, Substantial damage. According to the pilot's statement, he departed from his home in carmi, IL and flew to his lake house on Kentucky lake initially landed aircraft without… - [Accident 20240409004319A](https://openairdocs.org/incident/20240409004319A), Apr 9, 2024: Robinson Helicopter Company R44 II (N331EL), South Kingston, RI, Destroyed. The pilot reported he flew southwest at 800 feet MSL to wordens' pond to perform a flight over the pond. He began executing a series of flight parameters,… - [Incident 20240317002469I](https://openairdocs.org/incident/20240317002469I), Mar 17, 2024: Robinson Helicopter Company R44 II (N992TC), South Lake Taho, CA, No damage. On March 17, 2023, [privacy data omitted] a Robinson R44 helicopter was on a sightseeing flight near south lake tahoe, CA. At the time of the incident the… - [Accident 20240211003989A](https://openairdocs.org/incident/20240211003989A), Feb 11, 2024: Robinson Helicopter Company R44 II (N74868), Glacier View, AK, Substantial damage. Received report of accident in vicinity of matanuska Glacier involving a Robinson R-44II helicopter operated under part 91 rules. Interview with accident pilot… - [Accident 20240207008509A](https://openairdocs.org/incident/20240207008509A), Feb 7, 2024: Robinson Helicopter Company R44 II (N4054Y), Planterville, MS, Destroyed. Aircraft [privacy data omitted] R44 departed Tupelo Regional Airport(ktup)and crashed in a pond located on state park road under unknown circumstances. The… - [Accident 20240201001919A](https://openairdocs.org/incident/20240201001919A), Feb 1, 2024: Robinson Helicopter Company R44 II (N521LS), Miami, FL, Substantial damage. During flight airman noticed that the manifold pressure, engine oil pressure, and temperature were in the red area of the gages. Airman executed a precautional… - [Accident 20231206021039A](https://openairdocs.org/incident/20231206021039A), Dec 6, 2023: Robinson Helicopter Company R44 II (N422DX), Calexico, CA, Substantial damage. Pilot reported he was performing part 137 spraying operations on multiple agiculture fields. While spraying a fields next to highway 98 in Calexico California… - [Accident 20231118020099A](https://openairdocs.org/incident/20231118020099A), Nov 18, 2023: Robinson Helicopter Company R44 II (N789GR), Ogdensburg, NY, Substantial damage. Pilot was taxing the aircraft into position prior to departure. While in a hover 2-3 feet above surface pilot encountered a roll/yaw to the right leading to… - [Incident 20230818013659I](https://openairdocs.org/incident/20230818013659I), Aug 18, 2023: Robinson Helicopter Company R44 II (N744ME), Beatty, NV, Minor damage. [privacy data omitted] Was conducting aerial survey of an off road race. While following a race car westbound at approximately 300 feet and 40KTS in a canyon… - [Accident 20230731010519A](https://openairdocs.org/incident/20230731010519A), Jul 31, 2023: Robinson Helicopter Company R44 II (N644ME), Arcola, IL, Destroyed. The pilot was engaged in part 137 agricultural spraying. The pilot stated that they cleared the field with a survey pass. During the first spray pass parallel… - [Accident 20230726008029A](https://openairdocs.org/incident/20230726008029A), Jul 26, 2023: Robinson Helicopter Company R44 II (N4174L), Charles City, IA, Substantial damage. Helicopter returned to tender truck for load of product and fuel. Shortly after departing tender truck helicopter descended into a corn field. - [Accident 20230713015519A](https://openairdocs.org/incident/20230713015519A), Jul 13, 2023: Robinson Helicopter Company R44 II (N62RK), Pocahontas, IL, Destroyed. Narritive - on the evening of 13 July 2023, R-44 helicopter was in flight conducting aerial agricultural applications when a loss of engine power occured and… - [Accident 20230709010329A](https://openairdocs.org/incident/20230709010329A), Jul 9, 2023: Robinson Helicopter Company R44 II (N163RK), Marble Falls, TX, Substantial damage. While performing powerline inspection at 350 feet above ground level the engine failed. During the decent the tail rotor struck teh power line resulting in the… - [Incident 20230621009909I](https://openairdocs.org/incident/20230621009909I), Jun 21, 2023: Robinson Helicopter Company R44 II (N225AM), Clarkson, NE, Minor damage. Pilot was conducting part 137 operations. Pilot performed a low recon of a field and did not see a cable ran to a fixture in the field. Helicopter contacted… - [Accident 20230510016899A](https://openairdocs.org/incident/20230510016899A), May 10, 2023: Robinson Helicopter Company R44 II (N62HT), Bradenton, FL, Substantial damage. R44, landed in a field and Pitched forward causing the aircraft to onto the Left side. All 324: https://openairdocs.org/model/robinson-helicopter-r44-ii/incidents.md ## STCs that may be installed (OpenAirDocs) (89, 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 SR02420AK](https://openairdocs.org/stc/SR02420AK): Installation of the ZW Aviation LLC R44M-001 Utility Camera Mount. Gyro-Stabilized Systems LLC - [STC SR03403CH](https://openairdocs.org/stc/SR03403CH): Installation of universal internal mount for electrical equipment provisions. STERLING HELICOPTER - [STC SR02270AK](https://openairdocs.org/stc/SR02270AK): Manufacture cargo rack. Larry T. Larrivee - [STC SR02049LA](https://openairdocs.org/stc/SR02049LA): Installation of Apical Industries, Inc. Emergency Float Kits. Apical Industries, Inc. dba Dart Aerospace - [STC SR01980WI](https://openairdocs.org/stc/SR01980WI): Installation of Garmin GI 275 Multi-Function Instrument. Garmin International Inc - [STC SA01435LA](https://openairdocs.org/stc/SA01435LA): Installation of engines modified with Firewall Forward Technologies LLC modified camshaft. Centri-Lube Technologies LLC - [STC SA11137SC](https://openairdocs.org/stc/SA11137SC): Installation of Plane-Power ALT-FLX alternator. Hartzell Engine Technologies, LLC - [STC SR02431AK](https://openairdocs.org/stc/SR02431AK): Installation of the LAM-R44 Portable Device Mount. Airglas Inc - [STC SR03512AT](https://openairdocs.org/stc/SR03512AT): Installation of HID Landing and Taxi Lights. Whelen Aerospace Technologies - [STC SR00578SE](https://openairdocs.org/stc/SR00578SE): Fabrication of Onboard Systems Cargo Hook Kits Model 200-227-00 (without load weigh), Model 200-228-00 (with load weigh), Model 200-313-00 (28V, without load weigh), Model 200-314-00 (28V, with load weigh). Onboard Systems International - [STC SR01064SE](https://openairdocs.org/stc/SR01064SE): Fabrication of Onboard Systems Model 200-265-00 12 Volt Talon LC Keeperless cargo hook kit without load weigh, Model 200-266-00 12 Volt Talon LC Keeperless Cargo hook kit with load weigh, Model 200-288-00 28 Volt Talon LC Keeperless cargo hook kit without load weigh. Onboard Systems International LLC - [STC SR01808SE](https://openairdocs.org/stc/SR01808SE): Installation of Onboard Systems International Cargo Hook Kit. Onboard Systems International - [STC SR04200AT](https://openairdocs.org/stc/SR04200AT): Installation of a Sky Sign Model H-47C Electronic Billboard. SKY SIGN INC - [STC SR02254LA](https://openairdocs.org/stc/SR02254LA): Installation of stability augmentation system and autopilot. S-TEC Corporation - [STC SR02704SE](https://openairdocs.org/stc/SR02704SE): Installation and maintenance of the Sunspot 36 and 46 series lights. AeroLED's Holdings LLC - [STC SR02736LA](https://openairdocs.org/stc/SR02736LA): Installation of Skid Step. Longhorn Aviation Services LLC - [STC SR02991NY](https://openairdocs.org/stc/SR02991NY): The installation of Quick Release Mounting Provisions and Quick Release Cargo Basket. Dart Aerospace Limited - [STC SR03297CH](https://openairdocs.org/stc/SR03297CH): Installation of provisions for external equipment. Certex Aviation LLC - [STC SR02622SE](https://openairdocs.org/stc/SR02622SE): Installation of Garmin G500H TXi Display System (Primary Flight Display (PDF), Multi-Function Display (MFD)). Garmin International Inc - [STC SR02363AK](https://openairdocs.org/stc/SR02363AK): Installation of a fixed mounted Max-Viz® Enhanced Vision System (EVS) Models 100/600 to include a sensor Line Replaceable Unit (LRU) with conformal housing, power supply, and a glareshield-mounted, dedicated display monitor. PECO Inc - [STC SR04411NY](https://openairdocs.org/stc/SR04411NY): Installation of Flight and Operations Data Recorder. EIT Avionics LLC - [STC SR04453CH](https://openairdocs.org/stc/SR04453CH): Installation of Appareo Systems LLC Stratus ES & Stratus ESG ADS-B transponder. Appareo Systems 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 SR02295LA](https://openairdocs.org/stc/SR02295LA): Installation of Garmin Model G500H Flight Display System. Garmin International Inc - [STC SR02432NY](https://openairdocs.org/stc/SR02432NY): Installation of Helitowcart Bear Paw Models BP350, BP44 or BP130. Dart Aerospace Ltd - [STC SR02521AK](https://openairdocs.org/stc/SR02521AK): Installation of bicycle racks. Robbie Rack LLC - [STC SR00359BO](https://openairdocs.org/stc/SR00359BO): Installation of Parmetheus Plus LED PAR36 and PAR46 taxi and landing lights. Whelen Aerospace Technologies - [STC SR02290AK](https://openairdocs.org/stc/SR02290AK): Manufacture tundra/snow boards, Install and maintain. Pollux Aviation Ltd - [STC SR03080NY](https://openairdocs.org/stc/SR03080NY): Installation of the External Power Receptacle (EGPR). Aero Design Ltd - [STC SR00805NY](https://openairdocs.org/stc/SR00805NY): Manufacture and installation of bearpaws. Northeast Engr & Dev Ltd - [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 SR02660LA](https://openairdocs.org/stc/SR02660LA): Installation of Nose Utility Mount. Airfilm Camera Systems - [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 SR09568RC](https://openairdocs.org/stc/SR09568RC): Installation of Tech Tool Plastics replacement doors with full view windows. Tech-Tool Plastics Inc - [STC SR02487AK](https://openairdocs.org/stc/SR02487AK): Installation of L-3 Communications Avionics Systems ESI-500 Standby Instrument System. ADS-B Technologies, LLC - [STC SR03901NY](https://openairdocs.org/stc/SR03901NY): Installation of Replacement Seat Cushion/Backrest and Interior Accessories. Ramm Aerospace Inc - [STC SR03879NY](https://openairdocs.org/stc/SR03879NY): Installation of Replacement Floor Covering Kits. Ramm Aerospace Inc - [STC SR03878NY](https://openairdocs.org/stc/SR03878NY): Installation of Replacement Headliner and Bulkhead Covering Kits. Ramm Aerospace Inc - [STC SR03866NY](https://openairdocs.org/stc/SR03866NY): Installation of LIDAR Anchoring System. Alevia Aeronautique Inc - [STC SR04124CH](https://openairdocs.org/stc/SR04124CH): Installation of Lithium Ion Main Ship Battery. Mid-Continent Instruments and Avionics - [STC SR09868AC](https://openairdocs.org/stc/SR09868AC): Installation of Night Vision Goggle (NVG) Compatible Lighting System. Aero Dynamix Inc - [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 SR02206SE](https://openairdocs.org/stc/SR02206SE): Installation of Garmin G500H Avionics Display System including GDU 620 PFD/MFD, GRS 77H AHRS, GMU 44 Magnetometer, GDC 74H Air Data Computer, and GTP 59 Temperature Probe. Garmin International Inc - [STC SR02470AK](https://openairdocs.org/stc/SR02470AK): Installation of the L-3 Communications NGT -1000/2000/2500 ADS-B System. ADS-B Technologies, LLC - [STC SR02471AK](https://openairdocs.org/stc/SR02471AK): Installation of the L-3 Communications NGT -9000/9000R ADS-B System. ADS-B Technologies, LLC - [STC SR02429AK](https://openairdocs.org/stc/SR02429AK): Installation of Airglas, Inc. LTB2600 Modular Terrain System. Airglas Inc - [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 SR09645RC](https://openairdocs.org/stc/SR09645RC): Installation of Cool City Electronics Inc. Automatic Flight Control System (AFCS), Stability Control Augmentation System (SCAS), Yaw Damper System and Orbit Mode. Cool City Electronics Inc. dba Cool City Avionics All 89: https://openairdocs.org/model/robinson-helicopter-r44-ii/stcs.md ## PMA parts (OpenAirDocs) (452, 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. - [98020044-5012](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID106369861120260402153653.0001): Robinson R44 NVG Modification Kit. REB Technologies Inc · PMA PQ1018SW · Modification part · Mar 24, 2026 - [98020044-5011](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID171083701520260325205944.0001): Robinson R44 NVG Modification Kit. REB Technologies Inc · PMA PQ1018SW · Modification part · Mar 23, 2026 - [LHA-44-005](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID147516958220260514172733.0001): Aft Attachment Bracket. Longhorn Aviation Services, LLC. · PMA PQ00042CB · Modification part · Mar 17, 2026 - [LHA-44-007](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID137520108420260514172733.0001): Clamp Spacer. Longhorn Aviation Services, LLC. · PMA PQ00042CB · Modification part · Mar 17, 2026 - [LHA-44-002](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID125337596820260514172732.0001): Forward Clamp, RH. Longhorn Aviation Services, LLC. · PMA PQ00042CB · Modification part · Mar 17, 2026 - [LHA-44-003](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID114061500920260514172732.0001): Step. Longhorn Aviation Services, LLC. · PMA PQ00042CB · Modification part · Mar 17, 2026 - [LHA-44-001](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID106443746320260514172732.0001): Forward Clamp, LH. Longhorn Aviation Services, LLC. · PMA PQ00042CB · Modification part · Mar 17, 2026 - [LHA-44-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID109028373720241017194519.0001): R44/R66 Skid Tube Step. RSG Products Inc · PMA PQ03883SW · Replaces LHA-44-1 · Oct 17, 2024 - [98020044-1009](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID126111785520240620171833.0001): Robinson R44NVG Modification Kit. REB Technologies Inc · PMA PQ1018SW · Modification part · May 1, 2024 - [5MA2346-2](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID188174253120240515131426.0001): Float. SMR Acquisition LLC dba SMR Technologies Inc · PMA PQ0845NE · Replaces B900-7R · Mar 27, 2024 - [5MA2346-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID125105333720240515131426.0001): Float. SMR Acquisition LLC dba SMR Technologies Inc · PMA PQ0845NE · Replaces B900-7L · Mar 27, 2024 - [TAU03323](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID169171093220240221143036.0001): AV/Cabin Heat Kit. Hartzell Propeller LLC · PMA PQ2040CE · Modification part · Dec 14, 2023 - [TA2778-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID137193249420231101130942.0001): Heli- Preheat Kit. Hartzell Propeller LLC · PMA PQ2040CE · Modification part · Oct 16, 2023 - [TA2778-2](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID117046040020231101130942.0001): Heli- Preheat Kit. Hartzell Propeller LLC · PMA PQ2040CE · Modification part · Oct 16, 2023 - [98020044-5010](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID149786026520230726122644.0001): Robinson R44NVG Modification Kit. REB Technologies Inc · PMA PQ1018SW · Modification part · Jul 13, 2023 - [98020044-5009](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID131005634220230424165647.0001): Robinson R44NVG Modification Kit. REB Technologies Inc · PMA PQ1018SW · Modification part · Apr 19, 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 - [149-24HT-H4](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID104706339120230508162404.0001): Starter Assembly. Hartzell Engine Technologies LLC · PMA PQ1383CE · Replaces 149-24HT-H, BC315-100-4 · Jan 10, 2023 - [200-327-00200-327-01200-327-10200-327-11](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID179990350320220811112133.0001): Cargo Hook Suspension System, 28V. Onboard Systems International · PMA PQ0055NM · Modification part · Jul 28, 2022 - [200-265-00](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID165717452020220811112115.0001): R-44 12V Cargo Hook Suspension System – without Load Weigh. Onboard Systems International · PMA PQ0055NM · Modification part · Jul 28, 2022 - [200-324-00](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID164339944520220811112129.0001): 12V Susp. System. Onboard Systems International · PMA PQ0055NM · Modification part · Jul 28, 2022 - [200-289-00](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID163639462920220811112116.0001): R-44 28V Susp. System – with Load Weigh. Onboard Systems International · PMA PQ0055NM · Modification part · Jul 28, 2022 - [200-326-00](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID162908769620220811112132.0001): 12V Susp. System. Onboard Systems International · PMA PQ0055NM · Modification part · Jul 28, 2022 - [200-227-00](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID158276310120220811112049.0001): Cargo Hook Kit Robinson R44 (without Load Weigh). Onboard Systems International · PMA PQ0055NM · Modification part · Jul 28, 2022 - [200-327-02200-327-12](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID144735607720220811112218.0001): Cargo Hook Suspension System, 28V. Onboard Systems International · PMA PQ0055NM · Modification part · Jul 28, 2022 - [200-340-00](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID140923443220220811112133.0001): Pin Load Weigh System. Onboard Systems International · PMA PQ0055NM · Modification part · Jul 28, 2022 - [200-288-00](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID136970210120220811112115.0001): R-44 28V Susp. System – without Load Weigh. Onboard Systems International · PMA PQ0055NM · Modification part · Jul 28, 2022 - [200-340-01](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID136242924220220811112219.0001): Pin Load Weigh System. Onboard Systems International · PMA PQ0055NM · Modification part · Jul 28, 2022 - [200-325-00](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID129212867320220811112130.0001): 28V Susp. System. Onboard Systems International · PMA PQ0055NM · Modification part · Jul 28, 2022 - [200-325-01](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID127813938520220811112131.0001): 28V Susp. System w/ Keepered Cargo Hook & Load Weigh. Onboard Systems International · PMA PQ0055NM · Modification part · Jul 28, 2022 - [200-396-00](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID117109809320220811112134.0001): Remote Hook Electrical Release Kit. Onboard Systems International · PMA PQ0055NM · Modification part · Jul 28, 2022 - [200-228-00](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID100716551520220811112050.0001): Cargo Hook Kit Robinson R44 (with Load Weigh). Onboard Systems International · PMA PQ0055NM · Modification part · Jul 28, 2022 - [01-0790906-00](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID158819961620220610124319.0001): LED Landing Light. Whelen Aerospace Technologies · PMA PQ1372CE · Modification part · Jun 6, 2022 - [AA83-100](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID198935543720260311205440.0001): Intercom. Chelton Avionics Inc. dba Canyon Aeroconnect · PMA PQ2204NM · Replaces AA83-100 · Nov 1, 2021 - [AA83-100](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID152880858420260304184311.0001): Intercom. Chelton Avionics Inc. dba Canyon Aeroconnect · PMA PQ2204NM · Replaces AA83-100 · Nov 1, 2021 - [AG843000-17](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID434912360120211110110517.0001): Gasket-UHF/VHF. Aviation Devices & Electronic Components, LLC · PMA PQ03846SW · Modification part · Aug 9, 2021 - [98020044-5008](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID159179246820210823174707.0001): Robinson R44 NVG Modification Kit. REB Technologies Inc · PMA PQ1018SW · Modification part · May 3, 2021 - [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 - [LHA-44-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID413864469620210622143537.0001): R44/R66 Skid Tube Step. Aerocraft, Inc. · PMA PQ5299NM · Replaces LHA-44-1 · Dec 17, 2020 - [303-002-MDL](https://drs.faa.gov/browse/excelExternalWindow/D0E42058D2A20B088625861B004F0E40.0001): Universal Mount. Certex Aviation LLC · PMA PQ04340CE · Modification part · Nov 1, 2020 - [310-002-MDL](https://drs.faa.gov/browse/excelExternalWindow/8FAB3C5C676CF4E28625861B004F0F17.0001): Universal Mount. Certex Aviation LLC · PMA PQ04340CE · Modification part · Nov 1, 2020 - [R44B-101](https://drs.faa.gov/browse/excelExternalWindow/FCC078E663F5D6EE862585DF00336B09.0001): Clamp Lower Bushing. Brunner Machine Works, LLC · PMA PQ04418CE · Replaces R44B-101 · Sep 7, 2020 - [R66B-904](https://drs.faa.gov/browse/excelExternalWindow/FA30BAF063F9E268862585DF00336B75.0001): Ratchet Strap Anchoring Base. Brunner Machine Works, LLC · PMA PQ04418CE · Replaces R66B-904 · Sep 7, 2020 - [R44B-102](https://drs.faa.gov/browse/excelExternalWindow/CB0AAAC5DD111A2A862585DF00336B39.0001): Clamp Upper Bushing. Brunner Machine Works, LLC · PMA PQ04418CE · Replaces R44B-102 · Sep 7, 2020 - [R66B-905](https://drs.faa.gov/browse/excelExternalWindow/5AF7D3533D48C80D862585DF00336BB0.0001): Ratchet Strap Side Cover. Brunner Machine Works, LLC · PMA PQ04418CE · Replaces R66B-905 · Sep 7, 2020 - [R66B-906](https://drs.faa.gov/browse/excelExternalWindow/4B392B036861E2B6862585DF00336BEC.0001): Ratchet Strap Anchoring Pivot Base. Brunner Machine Works, LLC · PMA PQ04418CE · Replaces R66B-906 · Sep 7, 2020 - [7242-14](https://drs.faa.gov/browse/excelExternalWindow/BE0D4A4B7E7C536D86258596003D5923.0001): Battery. Teledyne Battery Products · PMA PQ1006NM · Replaces Concorde RG24-15 · Jan 21, 2020 - [7242-16](https://drs.faa.gov/browse/excelExternalWindow/2293B1E27802C61686258596003D5951.0001): Battery. Teledyne Battery Products · PMA PQ1006NM · Replaces Concorde RG24-15 · Jan 21, 2020 - [8001723](https://drs.faa.gov/browse/excelExternalWindow/1603B700E3DC8A4D86258593003C44B9.0001): Engine Oil Cooler Assembly. Aero-Classics Heat Transfer Products Inc · PMA PQ2543NM · Replaces 10886A · Jan 20, 2020 - [AG843000-17](https://drs.faa.gov/browse/excelExternalWindow/44F91AF19B0D8D4586258591003A1785.0001): Gasket - UHF/VHF Antenna. Aviation Devices & Electronic Components, LLC · PMA PQ03846SW · Modification part · Jan 1, 2020 All of them: https://openairdocs.org/model/robinson-helicopter-r44-ii/pma.md --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.