ROBINSON HELICOPTER R44 II

01 /  Distribution

Where the fleet lives and was built

Counts of currently-registered ROBINSON HELICOPTER R44 II aircraft by US state and decade of manufacture, sourced from the FAA Aircraft Registry.

02 /  NTSB Records

Events involving ROBINSON HELICOPTER R44 II aircraft

314 event(s) on file. Showing the most recent 25 · 289 more available on NTSB CAROL.

• Apr 17, 2026

  N445JS

  Mount Blanco, Texas

  NTSB Docket →

• Mar 24, 2026

  N233JD

  Stonewall, Texas Serious

  NTSB Docket →

• Jan 29, 2026

  N916VK

  Sullivan, Missouri Minor

  NTSB Docket →

• Aug 30, 2025

  N442PR

  Nashville, Arkansas

  NTSB Docket →

• Aug 29, 2025

  N74435

  Petersville, Alaska

  NTSB Docket →

• Aug 18, 2025

  N877DR

  Burlington, Washington Minor

  NTSB Docket →

• Aug 16, 2025

  N24DF

  Cape Girardeau, Missouri

  NTSB Docket →

• Aug 3, 2025

  N750GT

  Ponderosa Pines, Montana Minor

  NTSB Docket →

• Jul 9, 2025

  N67RW

  Inlet, New York

  NTSB Docket →

• Jul 4, 2025

  N992TP

  Pecos, Texas Serious

  NTSB Docket →

• Jun 29, 2025

  N531AT

  Palmer, Alaska

  NTSB Docket →

• Jun 25, 2025

  N144WK

  Hawesville, Kentucky Serious

  NTSB Docket →

• May 23, 2025

  N1195P

  Miami, Texas Fatal

  NTSB Docket →

• Mar 25, 2025

  N7530U

  Hobbs, New Mexico Minor

  NTSB Docket →

• Mar 10, 2025

  N128AF

  Chicago, Illinois

  NTSB Docket →

• Mar 9, 2025

  N44KY

  North Las Vegas, Nevada Minor

  NTSB Docket →

• Feb 27, 2025

  N144SG

  Uvalde, Texas Fatal

  NTSB Docket →

• Feb 27, 2025

  N6555C

  Edgemont, South Dakota Serious

  NTSB Docket →

• Nov 7, 2024

  N4361R

  Durkee, Oregon

  NTSB Docket →

• Nov 1, 2024

  N62CD

  Iowa, Louisiana Fatal

  NTSB Docket →

• Oct 20, 2024

  N881KE

  Houston, Texas Fatal

  NTSB Docket →

• Sep 23, 2024

  N153LA

  Ravenel, South Carolina

  NTSB Docket →

• Sep 15, 2024

  N233WT

  Basin, Montana Serious

  NTSB Docket →

• Aug 18, 2024

  N783AK

  Palmer, Alaska Minor

  NTSB Docket →

• Jul 13, 2024

  N6960

  Herriman, Utah

  NTSB Docket →

02b /  NASA ASRS Reports

Near-miss reports involving ROBINSON HELICOPTER R44 II

NASA's voluntary, confidential reporting system surfaces what almost went wrong. 1 de-identified ASRS report references this airframe. Pilot-written narrative. ASRS reports are voluntary and not investigated — they represent the reporter's perspective and cannot infer prevalence.

• ACN 2008727 Rotary Wing Aircraft Flight Crew Reports

  R44 helicopter pilot reported a malfunction of the automatic drive belt tensioner component, which resulted in an immediate uncommanded rise in engine RPM and associated warning lights. The pilot perf

  Robinson R44

03 /  Airworthiness Directives

FAA directives applicable to ROBINSON HELICOPTER R44 II

1 directive(s) on file. Showing the most recent 1.

• May 27, 2016

  Airworthiness Directives; Robinson Helicopter Company Helicopters

  We propose to adopt a new airworthiness directive (AD) for Robinson Helicopter Company (Robinson) Model R44, R44 II, and R66 helicopters. This proposed AD would require a visual inspection of the main rotor blade (MRB) and either removing or altering it. This proposed AD is prompted by a report that a fatigue crack wa…

  Atlas AD → Federal Register ↗

04 /  Type Certificate Data Sheets

FAA TCDS for ROBINSON HELICOPTER R44 II

The TCDS is the legal certification document — weight limits, performance, equipment, AD compliance times, operating limitations. 1 match in the FAA catalog.

• H11NM Historical Rev 3 · 10/10/2002

  Robinson Helicopter Company

  Models: R44 II, R44

  Atlas TCDS → DRS ↗

05 /  Special Airworthiness Information Bulletins

Advisories applicable to ROBINSON HELICOPTER R44 II

2 SAIBs on file. SAIBs are FAA advisory notices — not mandatory like ADs, but worth reviewing for service bulletins and emerging issues.

• 06/30/2009

  SAIB SW-09-36

  Robinson Helicopter Company Hot Weather Operation

  Read → DRS ↗

• 04/02/2008

  SAIB SW-08-16

  Air Conditioning Wiring Chafing

  Read → DRS ↗

06 /  Supplemental Type Certificates

Modifications approved for ROBINSON HELICOPTER R44 II

239 STCs on file — every FAA-approved modification, alteration, or installation for this aircraft. STOL kits, avionics, fuel systems, floats, engine swaps, you name it.

• 09/16/2025

  STC SR12177IB

  Installation of Floor Protector

  Delastek Inc.

  Atlas STC → DRS ↗

• 08/22/2025

  STC SR02420AK

  Installation of the ZW Aviation LLC R44M-001 Utility Camera Mount

  Gyro-Stabilized Systems LLC

  Atlas STC → DRS ↗

• 07/02/2025

  STC SR02420AK

  Installation of the ZW Aviation LLC R44M-001 Utility Camera Mount

  Gyro-Stabilized Systems LLC

  Atlas STC → DRS ↗

• 12/05/2023

  STC SR03403CH

  Installation of universal internal mount for electrical equipment provisions

  STERLING HELICOPTER

  Atlas STC → DRS ↗

• 10/05/2023

  STC SR02270AK

  Manufacture cargo rack.

  Larry T. Larrivee

  Atlas STC → DRS ↗

• 06/21/2023

  STC SR02049LA

  Installation of Apical Industries, Inc. Emergency Float Kits.

  Apical Industries, Inc. dba Dart Aerospace

  Atlas STC → DRS ↗

• 05/25/2023

  STC SR01980WI

  Installation of Garmin GI 275 Multi-Function Instrument

  Garmin International Inc.

  Atlas STC → DRS ↗

• 05/22/2023

  STC SA01435LA

  Installation of engines modified with Firewall Forward Technologies LLC modified camshaft

  Centri-Lube Technologies LLC

  Atlas STC → DRS ↗

• 04/12/2023

  STC SR00086BO

  Operation of rotorcraft on unleaded and leaded automotive gasoline, 91 minimum antiknock index (RON + MON)/2 per ASTM Specification D-439 or D-4814.

  Petersen Aviation Inc.

  Atlas STC → DRS ↗

• 04/04/2023

  STC SA11137SC

  Installation of Plane-Power ALT-FLX alternator

  Hartzell Engine Technologies, LLC

  Atlas STC → DRS ↗

• 01/30/2023

  STC SR02431AK

  Installation of the LAM-R44 Portable Device Mount

  Airglas Inc.

  Atlas STC → DRS ↗

• 07/22/2022

  STC SR03512AT

  Installation of HID Landing and Taxi Lights

  Whelen Aerospace Technologies

  Atlas STC → DRS ↗

• 07/21/2022

  STC SR02420AK

  Installation of the ZW Aviation LLC R44M-001 Utility Camera Mount

  Gyro-Stabilized Systems LLC

  Atlas STC → DRS ↗

• 03/14/2022

  STC SR01980WI

  Installation of Garmin GI 275 Multi-Function Instrument

  Garmin International Inc

  Atlas STC → DRS ↗

• 10/07/2021

  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-…

  Onboard Systems International

  Atlas STC → DRS ↗

• 10/07/2021

  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 loa…

  Onboard Systems International LLC

  Atlas STC → DRS ↗

• 10/07/2021

  STC SR01808SE

  Installation of Onboard Systems International Cargo Hook Kit

  Onboard Systems International

  Atlas STC → DRS ↗

• 04/26/2021

  STC SR04200AT

  Installation of a Sky Sign Model H-47C Electronic Billboard

  SKY SIGN INC.

  Atlas STC → DRS ↗

• 04/15/2021

  STC SR02254LA

  Installation of stability augmentation system and autopilot

  S-TEC Corporation

  Atlas STC → DRS ↗

• 12/17/2020

  STC SR02704SE

  Installation and maintenance of the Sunspot 36 and 46 series lights

  AeroLED's Holdings LLC

  Atlas STC → DRS ↗

• 12/17/2020

  STC SR02704SE

  Installation and maintenance of the Sunspot 36 and 46 series lights

  AeroLEDS LLC

  Atlas STC → DRS ↗

• 12/04/2020

  STC SR02736LA

  Installation of Skid Step

  Longhorn Aviation Services LLC

  Atlas STC → DRS ↗

• 11/30/2020

  STC SR02991NY

  The installation of Quick Release Mounting Provisions and Quick Release Cargo Basket.

  Dart Aerospace Limited

  Atlas STC → DRS ↗

• 10/07/2020

  STC SR03297CH

  Installation of provisions for external equipment

  Certex Aviation LLC

  Atlas STC → DRS ↗

• 10/07/2020

  STC SR03403CH

  Installation of universal internal mount for electrical equipment provisions

  Certex Aviation LLC

  Atlas STC → DRS ↗

• 08/05/2020

  STC SR02622SE

  Installation of Garmin G500H TXi Display System (Primary Flight Display (PDF), Multi-Function Display (MFD))

  Garmin International Inc

  Atlas STC → DRS ↗

• 06/29/2020

  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 gla…

  PECO Inc

  Atlas STC → DRS ↗

• 04/24/2020

  STC SR04411NY

  Installation of Flight and Operations Data Recorder

  EIT Avionics LLC

  Atlas STC → DRS ↗

• 03/11/2020

  STC SR04453CH

  Installation of Appareo Systems LLC Stratus ES & Stratus ESG ADS-B transponder

  Appareo Systems LLC

  Atlas STC → DRS ↗

• 02/17/2020

  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

  Atlas STC → DRS ↗

+ 209 more STCs on file

07 /  PMA replacement parts

FAA-approved replacement parts for ROBINSON HELICOPTER R44 II

38 parts on file from the FAA Parts Manufacturer Approval database. Each is a non-OEM part the FAA has authorized for use as a replacement on this aircraft type.

• 7997-99-01#https://drs.faa.gov/browse/excelExternalWindow/9ADD1333F02C549586258116005989B6.0001##

  KIT, ROBINSON R44 II

  Aero Dynamix Inc replaces Modification Part

  PMA holder →

• D8187-B#https://drs.faa.gov/browse/excelExternalWindow/C5E10304984CE65C862580D7006A4313.0001##

  Pump-Motor Assembly

  Weldon Pump replaces Robinson Helicopter Company D743-1, Weldon Pump D8187-B

  PMA holder →

• 98020044-MDL#https://drs.faa.gov/browse/excelExternalWindow/1EFA58305FC6743986257953005C80FC.0001##

  R44 NVG Modification Kit

  REB Technologies Inc replaces Modification Part

  PMA holder →

• V674903-91#https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID162268515320230713122534.0001##

  Leaded and Unleaded Automotive Gasoline

  Petersen Aviation Inc replaces Modification Part

  PMA holder →

• 200-396-00#https://drs.faa.gov/browse/excelExternalWindow/5F59CE793A33CEF286257FB5005F3EA0.0001##

  Remote Hook Electrical Release Kit

  Onboard Systems International replaces Modification Part

  PMA holder →

• MDL 9C-14237-901#https://drs.faa.gov/browse/excelExternalWindow/D03AFF1B55C36E5C86257C850057941B.0001##

  Aspen PFD Kit

  ART Integration Services replaces Modification Part

  PMA holder →

• 44000001-3#https://drs.faa.gov/browse/excelExternalWindow/985BAD0B563D365E86257F88007383F8.0001##

  Forward Facing Recognition Lights Inst'l [Kit].

  Devore Aviation Corp of America replaces Modification Part

  PMA holder →

• 44000001-7#https://drs.faa.gov/browse/excelExternalWindow/AA2E203CEC769C5186257F88007383FB.0001##

  TFL - No Control Box Inst'l Kit.

  Devore Aviation Corp of America replaces Modification Part

  PMA holder →

• 44000001-1#https://drs.faa.gov/browse/excelExternalWindow/B4FAA9465FF137B886257F88007383F5.0001##

  Tail/Rotor Floodlights Inst'l [Kit].

  Devore Aviation Corp of America replaces Modification Part

  PMA holder →

• 44000001-11#https://drs.faa.gov/browse/excelExternalWindow/42B3C173295BFB5286257F88007383FD.0001##

  FFL - No Control Box Inst'l [Kit].

  Devore Aviation Corp of America replaces Modification Part

  PMA holder →

• 44000001-5#https://drs.faa.gov/browse/excelExternalWindow/8FF31ECE448DA66486257F88007383F9.0001##

  Fuselage Floodlights Inst'l [Kit].

  Devore Aviation Corp of America replaces Modification Part

  PMA holder →

• 44039001-5#https://drs.faa.gov/browse/excelExternalWindow/CD7BB21474604D90862576DA0059243F.0001##

  FUSELAGE FLOODLIGHTS WIRE DIAGRAM SYSTEM INSTALLATION/KIT

  Devore Aviation Corp of America replaces Modification Part

  PMA holder →

• 44039001-3#https://drs.faa.gov/browse/excelExternalWindow/45692B62EF8F2536862576DA00592429.0001##

  FORWARD FACING RECOGNITION LIGHTS WIRE DIAGRAM SYSTEM INSTALLATION/KIT

  Devore Aviation Corp of America replaces Modification Part

  PMA holder →

• 44033004-7#https://drs.faa.gov/browse/excelExternalWindow/5DEA88A6561FEFA6862576DA005923DD.0001##

  CONTROL BOX KIT

  Devore Aviation Corp of America replaces Modification Part

  PMA holder →

• 44039001-1#https://drs.faa.gov/browse/excelExternalWindow/6E37BB0C19D40ED6862576DA00592412.0001##

  TAIL/ROTOR FLOODLIGHTS WIRE DIAGRAM SYSTEM INSTALLATION/KIT

  Devore Aviation Corp of America replaces Modification Part

  PMA holder →

• 44033004-5#https://drs.faa.gov/browse/excelExternalWindow/854DFEB139114B3A862576DA005923C7.0001##

  FUSELAGE FLOODLIGHTS ELECTRICAL/ CONTROLS INSTALLATION/KIT

  Devore Aviation Corp of America replaces Modification Part

  PMA holder →

• 44033004-9#https://drs.faa.gov/browse/excelExternalWindow/E23DA1630DC3E779862576DA005923F4.0001##

  CONTROL BOX KIT, SINGLE DRIVER

  Devore Aviation Corp of America replaces Modification Part

  PMA holder →

• 44033004-1#https://drs.faa.gov/browse/excelExternalWindow/B01075EE644D2356862576DA00592398.0001##

  TAIL/ROTOR FLOODLIGHTS ELECTRICAL/ CONTROLS INSTALLATION/KIT

  Devore Aviation Corp of America replaces Modification Part

  PMA holder →

• 44033003-2#https://drs.faa.gov/browse/excelExternalWindow/79A73FB81DA7D3BD862576DA0059237A.0001##

  FUSELAGE FLOODLIGHTS - RH - INSTALLATION/KIT

  Devore Aviation Corp of America replaces Modification Part

  PMA holder →

• 44033002-2#https://drs.faa.gov/browse/excelExternalWindow/18B94D0BB1F1C7F4862576DA00592340.0001##

  FORWARD FACING RECOGNITION LIGHTS - RH - INSTALLATION/KIT

  Devore Aviation Corp of America replaces Modification Part

  PMA holder →

• 44033004-3#https://drs.faa.gov/browse/excelExternalWindow/A49F0118ECBF91E6862576DA005923B1.0001##

  FORWARD FACING RECOGNITION LIGHTS ELECTRICAL/ CONTROLS INSTALLATION/KIT

  Devore Aviation Corp of America replaces Modification Part

  PMA holder →

• 44033003-1#https://drs.faa.gov/browse/excelExternalWindow/28F238BE787F6343862576DA00592361.0001##

  FUSELAGE FLOODLIGHTS - LH - INSTALLATION/KIT

  Devore Aviation Corp of America replaces Modification Part

  PMA holder →

• 44033001-2#https://drs.faa.gov/browse/excelExternalWindow/D95C6D822C0CD3F7862576DA00592300.0001##

  TAIL/ROTOR FLOODLIGHTS - RH - INSTALLATION/KIT

  Devore Aviation Corp of America replaces Modification Part

  PMA holder →

• 44033001-1#https://drs.faa.gov/browse/excelExternalWindow/F77C5B92DF440F5B862576DA005922DE.0001##

  TAIL/ROTOR FLOODLIGHTS - LH - INSTALLATION/KIT

  Devore Aviation Corp of America replaces Modification Part

  PMA holder →

• 44033002-1#https://drs.faa.gov/browse/excelExternalWindow/24B751BB15DF2C65862576DA00592319.0001##

  FORWARD FACING RECOGNITION LIGHTS - LH - INSTALLATION/KIT

  Devore Aviation Corp of America replaces Modification Part

  PMA holder →

• 322USM1123-44#https://drs.faa.gov/browse/excelExternalWindow/3BE1AB656E8AA27A8625784C004ED060.0001##

  Universal Side Mount

  North American Surveillance Systems Inc replaces Modification Part

  PMA holder →

• 19001-B#https://drs.faa.gov/browse/excelExternalWindow/AEB3564736729DF086257AD900716978.0001##

  Fuel Pump

  Weldon Pump replaces Robinson Helicopter P/N D-743-3

  PMA holder →

• CP-4422#https://drs.faa.gov/browse/excelExternalWindow/6051483036C9ED7C8625780E006F5D22.0001##

  Air Filter

  Challenger Aviation Products Inc replaces C771-2

  PMA holder →

• 200-327-01#https://drs.faa.gov/browse/excelExternalWindow/D8DC3E59F5215E408625762500727D15.0001##

  R44 28V Suspension System with Keeperless Cargo Hook and Load Weigh

  Onboard Systems International replaces Modification Part

  PMA holder →

• 200-340-00#https://drs.faa.gov/browse/excelExternalWindow/2804532E221818F88625762500727D3C.0001##

  R44 Pin Load Weigh System

  Onboard Systems International replaces Modification Part

  PMA holder →

• 200-325-01#https://drs.faa.gov/browse/excelExternalWindow/FA2DB66E5D9397758625762500727CE1.0001##

  R44 28V Suspension System with Keepered Cargo Hook and Load Weigh

  Onboard Systems International replaces Modification Part

  PMA holder →

• Apollo DTM-4-MDL#https://drs.faa.gov/browse/excelExternalWindow/DC92882E46725E5A862574DA00519FFC.0001##

  DTM-4 Spray System

  Apollo Spray Systems replaces Modification Part

  PMA holder →

• 200-314-00#https://drs.faa.gov/browse/excelExternalWindow/129299AC3F82EDB18625740100726545.0001##

  Cargo Hook Kit

  Onboard Systems International replaces Modification Part

  PMA holder →

• 200-313-00#https://drs.faa.gov/browse/excelExternalWindow/F683CF063A12DE838625740100726524.0001##

  Cargo Hook Kit

  Onboard Systems International replaces Modification Part

  PMA holder →

• D8187-B#https://drs.faa.gov/browse/excelExternalWindow/6E87CE558B05D3D1862575D1006E0369.0001##

  Fuel Boost Pump

  Weldon Pump replaces Robinson P/N D743-1

  PMA holder →

• 44-100-5#https://drs.faa.gov/browse/excelExternalWindow/AB2F5517F4F70F36862571380071148E.0001##

  Cargo Hook System

  Test Instrumentation, Inc. replaces N/A

  PMA holder →

• 44-100-3#https://drs.faa.gov/browse/excelExternalWindow/E5BB811219582365862571380071145A.0001##

  Cargo Hook System

  Test Instrumentation, Inc. replaces N/A

  PMA holder →

• 44-100-1#https://drs.faa.gov/browse/excelExternalWindow/CBB2EA0CFAC3182E862571380071142B.0001##

  Cargo Hook System

  Test Instrumentation, Inc. replaces N/A

  PMA holder →

04 /  Regulations watching this type

Advisory Circulars and Federal Register activity for ROBINSON HELICOPTER R44 II

05 /  Aircraft of this type

All 1,363 registered N-numbers

Every tail currently on the FAA registry for this make/model. Click an N-number to query the FAA Aircraft Inquiry; rows flagged ● have NTSB events on file. Tails seeded with full TallyAero pages link directly.