Rotorcraft · FRANKLIN 6V 350 SERIES · as of Sep 21, 2026
Resources Manufacturer · Bell Textron ↗ Engine · Franklin Engine Corp (PZL-Aero) ↗ Search FAA TCDS ↗
Distribution · currently registered
By state (top 10)
- FL 14.5% 8
- CA 12.7% 7
- KS 10.9% 6
- MI 7.3% 4
- DE 5.5% 3
- TX 5.5% 3
- NC 3.6% 2
- OH 3.6% 2
- AR 3.6% 2
- IL 3.6% 2
+15 more states
By decade of manufacture
- 1940s 5.5% 3
- 1950s 54.5% 30
- 1960s 9.1% 5
- 1970s 1.8% 1
- Unknown 29.1% 16
NTSB records
48 event(s) on file. Showing the most recent 25 · 23 more available on NTSB CAROL.
- Oct 1, 2022 N24067 Mesa, Arizona NTSB docket ↗
- Mar 2, 2016 N568TB Agua Dulce, California Minor NTSB docket ↗
- Sep 7, 2001 N6327D Berry, Alabama NTSB docket ↗
- Aug 17, 1998 N2795A MONETTE, Arkansas NTSB docket ↗
- Jul 9, 1996 N6356 BARTOW, Florida Minor NTSB docket ↗
- Jul 2, 1993 N2473B S. SN FRANCISCO, California Fatal NTSB docket ↗
- May 11, 1991 N955B AGUADILLA, Puerto Rico NTSB docket ↗
- Aug 23, 1989 N955B PONCE, Puerto Rico NTSB docket ↗
- Aug 10, 1987 N10175 DOTHAN, Alabama Minor NTSB docket ↗
- Jul 24, 1987 N6355 MARSTON MILLS, Massachusetts Minor NTSB docket ↗
- Sep 19, 1983 N62221 OCEANSIDE, California NTSB docket ↗
- Sep 7, 1983 N88754 CHARLESTON, West Virginia NTSB docket ↗
- May 15, 1983 N6597D PLAINSBORO, New Jersey Minor NTSB docket ↗
- Feb 28, 1982 N1773 DALLAS, Texas NTSB docket ↗
- Mar 17, 1981 N62221 PESCADERO, California NTSB docket ↗
- Jul 12, 1980 N2795A GETTYSBURG, Pennsylvania NTSB docket ↗
- May 30, 1979 N3740G SPOFFORD, Texas NTSB docket ↗
- Apr 2, 1979 N6327D GUADALUPE, California NTSB docket ↗
- Apr 8, 1978 N4419E TULUKSAK, Alaska NTSB docket ↗
- Mar 6, 1978 N1773 NEW BERN, North Carolina NTSB docket ↗
- Sep 8, 1976 N62221 SAN PEDRO, California Minor NTSB docket ↗
- Jul 26, 1975 N1773 MYRTLE BEACH, South Carolina NTSB docket ↗
- Apr 30, 1975 N2469B APACHE JNCTN, Arizona Serious NTSB docket ↗
- Sep 27, 1974 N6327D LANCASTER, California NTSB docket ↗
- Aug 13, 1974 N7985A SACRAMENTO, California NTSB docket ↗
Airworthiness directives
15 directive(s) on file. Showing the most recent 15.
- Jun 12, 2023
Airworthiness Directives; Various Airplanes, Helicopters, and Engines
The FAA is adopting a new airworthiness directive (AD) for turbocharged, reciprocating engine-powered airplanes and helicopters and turbocharged, reciprocating engines with a certain v-band coupling installed. This AD was prompted by multiple failures of spot-welded, multi-segment v-band couplings at the tailpipe to t…
- Oct 29, 2021
Airworthiness Directives; Scotts-Bell 47 Inc. (Type Certificate Previously Held by Bell Helicopter Textron Inc.) Helicopters
The FAA is withdrawing a notice of proposed rulemaking (NPRM) that proposed to adopt a new airworthiness directive (AD) that would have applied to Scotts-Bell 47 Inc. (Scotts-Bell) (type certificate previously held by Bell Helicopter Textron Inc.) Model 47, 47B, 47B3, 47D, 47D1, 47E, 47G, 47G-2, 47G-2A, 47G-2A-1, 47G-…
- May 18, 2018
Airworthiness Directives; Scotts-Bell 47 Inc. (Type Certificate Previously Held by Bell Helicopter Textron Inc.)
We propose to adopt a new airworthiness directive (AD) for Scotts-Bell 47 Inc. (Scotts-Bell) Model 47, 47B, 47B3, 47D, 47D1, 47E, 47G, 47G-2, 47G-2A, 47G-2A-1, 47G-3, 47G-3B, 47G-3B-1, 47G-3B-2, 47G- 3B-2A, 47G-4, 47G-4A, 47G-5, 47G-5A, 47H-1, 47J, 47J-2, 47J-2A, and 47K helicopters. This proposed AD would require rep…
- Jun 12, 2009
Airworthiness Directives; Bell Helicopter Textron, Inc. Model 47, 47B, 47B3, 47D, 47D1, 47E, 47G, 47G-2, 47G-2A, 47G-2A-1, 47G-3, 47G-3B, 47G-3B-1, 47G-3B-2, 47G-3B-2A, 47G-4, 47G-4A, 47G-5, 47G-5A, 47H-1, 47J, 47J-2, 47J-2A, and 47K Helicopters
This amendment adopts a new airworthiness directive (AD) for the specified Bell Helicopter Textron, Inc. (Bell) helicopters. This action requires visually inspecting each main rotor blade box beam clip (clip) for correct installation. This amendment is prompted by a report of a main rotor blade with an incorrectly ins…
- Oct 17, 2005
Airworthiness Directives; Bell Helicopter Textron Model 47D1, 47G, 47G-2, 47G-2A, 47G-2A-1, 47G-3, 47G-3B, 47G-3B-1, 47G-3B-2, 47G-3B-2A, 47G-4, 47G-4A, 47G-5, 47G-5A and Coastal Helicopters, Inc. Model OH-13H (Tomcat Mark 5A, 6B, 6C) Helicopters
This amendment adopts a new airworthiness directive (AD) for Bell Helicopter Textron (Bell) Model 47D1, 47G, 47G-2, 47G-2A, 47G-2A- 1, 47G-3, 47G-3B, 47G-3B-1, 47G-3B-2, 47G-3B-2A, 47G-4, 47G-4A, 47G-5, 47G-5A and Coastal Helicopters, Inc. Model OH-13H (Tomcat Mark 5A, 6B, 6C) helicopters that have a certain scissors…
- Jul 6, 2005
Airworthiness Directives; Bell Helicopter Textron Model 47D1, 47G, 47G-2, 47G-2A, 47G-2A-1, 47G-3, 47G-3B, 47G-3B-1, 47G-3B-2, 47G-3B-2A, 47G-4, 47G-4A, 47G-5, 47G-5A and Coastal Helicopters, Inc. Model OH-13H (Tomcat Mark 5A, 6B, 6C) Helicopters
This document proposes adopting a new airworthiness directive (AD) for Bell Helicopter Textron (Bell) Model 47D1, 47G, 47G-2, 47G-2A, 47G-2A-1, 47G-3, 47G-3B, 47G-3B-1, 47G-3B-2, 47G-3B-2A, 47G-4, 47G-4A, 47G-5, 47G-5A and Coastal Helicopters, Inc. Model OH-13H (Tomcat Mark 5A, 6B, 6C) helicopters that have a certain…
- May 18, 2005
Airworthiness Directives; Rolls-Royce Corporation (Formerly Allison Engine Company) 250-B17B, -B17C, -B17D, -B17E, -C20, -C20B, -C20F, -C20J, -C20S, and -C20W Turboprop and Turboshaft Engines
The FAA is adopting a new airworthiness directive (AD) for Rolls- Royce Corporation (RRC) (formerly Allison Engine Company) 250-B17B, - B17C, -B17D, -B17E, -C20, -C20B, -C20F, -C20J, -C20S, and -C20W turboprop and turboshaft engines that do not have turbine energy absorbing ring, RRC part number (P/N) 23035175, or an…
- Dec 4, 2001
Airworthiness Directives; Rolls-Royce Corporation (Formerly Allison Engine Company) 250-C20 Series Turboshaft and 250-B17 Series Turboprop Engines
This amendment supersedes an emergency airworthiness directive (AD) that was sent previously to all known U.S. owners and operators of Rolls-Royce Corporation (formerly Allison Engine Company) models 250- C20, -C20B, -C20F, -C20R, -C20R/1, -C20R/2, -C20S, and -C20W turboshaft engines, and 250-B17, -B17C, -B17D, -B17E,…
- Oct 29, 2001
Airworthiness Directives; Bell Helicopter Textron, Inc.-Manufactured Model OH-13E, OH-13H, and OH-13S Helicopters
This document proposes superseding an existing airworthiness directive (AD) for Model OH-13E, OH-13H, and OH-13S helicopters manufactured by Bell Helicopter Textron, Inc. (BHTI). That AD currently requires either recurring liquid penetrant or eddy current inspections of the main rotor blade grip (grip) threads for a c…
- Aug 29, 2001
Airworthiness Directives; Bell Helicopter Textron, Inc. Model 47B, 47B-3, 47D, 47D-1, 47G, 47G-2, 47G2A, 47G-2A-1, 47G-3, 47G-3B, 47G-3B-1, 47G-3B-2, 47G-3B-2A, 47G-4, 47G-4A, 47G-5, 47G-5A, 47H-1, 47J, 47J-2, 47J-2A, and 47K Helicopters
This amendment supersedes an existing airworthiness directive (AD) that applies to Bell Helicopter Textron, Inc. (BHTI) Model 47B, 47B-3, 47D, 47D-1, 47G, 47G-2, 47G2A, 47G-2A-1, 47G-3, 47G-3B, 47G-3B- 1, 47G-3B-2, 47G-3B-2A, 47G-4, 47G-4A, 47G-5, 47G-5A, 47H-1, 47J, 47J- 2, 47J-2A, and 47K helicopters. That AD curren…
- Mar 29, 2001
Airworthiness Directives; Bell Helicopter Textron, Inc. Model 47B, 47B-3, 47D, 47D-1, 47G, 47G-2, 47G2A, 47G-2A-1, 47G-3, 47G-3B, 47G-3B-1, 47G-3B-2, 47G-3B-2A, 47G-4, 47G-4A, 47G-5, 47G-5A, 47H-1, 47J, 47J-2, 47J-2A, and 47K Helicopters
This document proposes superseding an existing airworthiness directive (AD) for Bell Helicopter Textron, Inc. (BHTI) Model 47B, 47B- 3, 47D, 47D-1, 47G, 47G-2, 47G2A, 47G-2A-1, 47G-3, 47G-3B, 47G-3B-1, 47G-3B-2, 47G-3B-2A, 47G-4, 47G-4A, 47G-5, 47G-5A, 47H-1, 47J, 47J-2, 47J-2A, and 47K helicopters. That AD currently…
- Nov 15, 2000
Airworthiness Directives; Bell Helicopter Textron, Inc.-Manufactured Model OH-13E, OH-13H, and OH-13S Helicopters
This document publishes in the Federal Register an amendment adopting Airworthiness Directive (AD) 2000-18-52 which was sent previously to all known U.S. owners and operators of Bell Helicopter Textron, Inc. (BHTI)-manufactured Model OH-13E, OH-13H, and OH-13S helicopters by individual letters. This AD requires a liqu…
- Nov 15, 2000
Airworthiness Directives; Bell Helicopter Textron, Inc. Model 47B, 47B-3, 47D, 47D-1, 47G, 47G-2, 47G2A, 47G-2A-1, 47G-3, 47G-3B, 47G-3B-1, 47G-3B-2, 47G-3B-2A, 47G-4, 47G-4A, 47G-5, 47G-5A, 47H-1, 47J, 47J-2, 47J-2A, and 47K Helicopters
This document publishes in the Federal Register an amendment adopting superseding Airworthiness Directive (AD) 2000-18-51 which was sent previously to all known U.S. owners and operators of Bell Helicopter Textron, Inc. (BHTI) Model 47B, 47B-3, 47D, 47D-1, 47G, 47G- 2, 47G2A, 47G-2A-1, 47G-3, 47G-3B, 47G-3B-1, 47G-3B-…
- Apr 1, 1998
Airworthiness Directives; Bell Helicopter Textron, Inc. Model 47B, 47B-3, 47D, 47D-1, 47G, 47G-2, 47G-2A, 47G-2A-1, 47G-3, 47G-3B, 47G-3B-1, 47G-3B-2, 47G-3B-2A, 47G-4, 47G-4A, 47G-5, 47G-5A, 47H-1, 47J, 47J-2, 47J-2A, and 47K Helicopters
This amendment adopts a new airworthiness directive (AD), applicable to Bell Helicopter Textron, Inc. (BHTI) Model 47B, 47B-3, 47D, 47D-1, 47G, 47G-2, 47G-2A, 47G-2A-1, 47G-3, 47G-3B, 47G-3B-1, 47G- 3B-2, 47G-3B-2A, 47G-4, 47G-4A, 47G-5, 47G-5A, 47H-1, 47J, 47J-2, 47J- 2A, and 47K helicopters, that requires installing…
- May 20, 1997
Airworthiness Directives; Bell Helicopter Textron, Inc. Model 47B, 47B-3, 47D, 47D-1, 47G, 47G-2, 47G-2A, 47G-2A-1, 47G-3, 47G-3B, 47G-3B-1, 47G-3B-2, 47G-3B-2A, 47G-4, 47G-4A, 47G-5, 47G-5A, 47H-1, 47J, 47J-2, 47J-2A, and 47K Helicopters
Type certificate data sheets · 2 matches in the FAA catalog
- H-1 Bell Helicopter Textron Historical Rev 40 · 06/15/1980
Models: 47H-1, 47B3, 47B, 47 + 5 more
- 2H3 Bell Helicopter Textron Historical Rev 17 · 06/15/1980
Models: 47G-2A, 47G-3B, 47G-3, 47G-4A + 7 more
Supplemental type certificates · 297 on file
- 01/16/2026 STC SR12272SE Installation of a Supplemental Lighting System Aviation Specialties Unlimited Inc. DRS ↗
- 05/27/2025 STC SA5581SW Installation of ALCOR true-flow/ totalizer system Alcor LLC DRS ↗
- 03/19/2025 STC SH100WE Installation of fiberglass baggage carriers. Texas Transland LLC DRS ↗
- 03/19/2025 STC SH153WE Installation of Transland Model54170 agricultural spray system Texas Transland LLC DRS ↗
- 02/15/2024 STC SH75WE Installation of Evergreen Helicopters, Inc. Model BG5 agricultural spreader Erickson Incorporated DRS ↗
- 04/14/2023 STC SH3319NM Installation of Precise Flight Pulselite Control Unit in the Landing /Taxi Recognition Visual Control Light system, Precise Flight Inc DRS ↗
- 07/30/2021 STC SH1152NW Installation of the Automatic Flagman Model 135 Control Stick Grip Air Products & Parts LLC DRS ↗
- 06/14/2021 STC SR09066RC Fabricate the HAC-47-3 Tail Rotor Blade. Scott's-Bell 47 Inc DRS ↗
- 12/17/2020 STC SR02704SE Installation and maintenance of the Sunspot 36 and 46 series lights AeroLED's Holdings LLC DRS ↗
- 12/17/2020 STC SR02704SE Installation and maintenance of the Sunspot 36 and 46 series lights AeroLEDS LLC DRS ↗
- 06/04/2020 STC SA02268CH (PAGE 1) Installation of Airwolf Filter Corp. Air Oil Separator Airwolf Filter Corporation DRS ↗
- 05/19/2020 STC SH3319NM (1 OF 2) Installation of Precise Flight Pulselite Control Unit in the\nLanding /Taxi Recognition Visual Control Light system, Precise Flight Inc DRS ↗
- 10/10/2019 STC SH2772SW Revise mast controls and remove stabilizer bar and install control system. Scott's-Bell 47 Inc DRS ↗
- 06/19/2019 STC SA800EA Installation of Whelen Anti-Collision, Position, or Anti-Collision/Position Light System, and applicable associated power supplies Whelen Aerospace Technologies DRS ↗
- 05/30/2019 STC SA615EA (PAGE 1) Installation of a Whelen Anti-Collision Strobe Light System as replacement for originally installed anti-collision lights. Whelen Aerospace Technologies DRS ↗
- 05/29/2019 STC SR00359BO Installation of Parmetheus Plus LED PAR36 and PAR46 taxi and landing lights. Whelen Aerospace Technologies DRS ↗
- 05/02/2018 STC SA615EA (PAGE 1) Installation of Whelen Anti-Collision Strobe Light Systems, Part Number 01-0770006-( ), 01-0770028-( ), 01-0770029-( ), 01-0770062-( ), 01-0770900-( ), and 01-0771055-( ), as repla… Whelen Engineering Co Inc DRS ↗
- 04/02/2018 STC SA800EA Installation of Whelen Anti-Collision, Position, or Anti-Collision/Position Light System, and applicable associated power supplies Whelen Engineering Co Inc DRS ↗
- 03/23/2018 STC SR01845SE Installation of a barrier air filtration system Cascade Flying Service LLC DRS ↗
- 12/20/2017 STC SA02268CH (PAGE 1) Installation of Airwolf Filter Corp. Air Oil Separator Airwolf Filter Corporation DRS ↗
- 12/20/2017 STC SR00408NY Installation of Airwolf remote mounted engine oil filter model AFC-600. Airwolf Filter Corporation DRS ↗
- 05/23/2017 STC SR02487AK Installation of L-3 Communications Avionics Systems ESI-500 Standby Instrument System ADS-B Technologies, LLC DRS ↗
- 12/29/2016 STC SH3319NM Installation of Precise Flight Pulselite Control Unit in the Landing /Taxi Recognition Visual Control Light system, Precise Flight Inc DRS ↗
- 11/28/2016 STC SR00359BO Installation of Parmetheus Plus LED PAR36 and PAR46 taxi and landing lights. Whelen Engineering Co Inc DRS ↗
- 08/27/2016 STC SA01240SE (3 OF 5) Installation of secondary voltage indication system Visual Instruments LLC DRS ↗
- 03/04/2016 STC SR02470AK Installation of the L-3 Communications NGT -1000/2000/2500 ADS-B System ADS-B Technologies, LLC DRS ↗
- 03/04/2016 STC SR02471AK Installation of the L-3 Communications NGT -9000/9000R ADS-B System ADS-B Technologies, LLC DRS ↗
- 02/16/2016 STC SR02470AK Installation of the L-3 Communications NGT -1000/2000/2500 ADS-B System ADS-B Technologies LLC DRS ↗
- 02/16/2016 STC SR02471AK Installation of the L-3 Communications NGT -9000/9000R ADS-B System ADS-B Technologies LLC DRS ↗
- 08/26/2015 STC SH2348SW Installation of Sprag System Kit P/N 74-612-153-1M Revision D, dated 9/17/14 Scott's Bell 47 Inc DRS ↗
+ 267 more STCs on file
PMA replacement parts · 60+ on file
- SB47-631-800-029#https://drs.faa.gov/browse/excelExternalWindow/2A15EDA3B5971ECF8625846D0065A338.0001## Tube Assy Scott's-Bell 47 Inc. replaces 47-631-800-029
- SB47-631-800-029#https://drs.faa.gov/browse/excelExternalWindow/8FAFFD645065B4AE862583C2006D1622.0001## Tube Assy Scott's-Bell 47 Inc. replaces 47-631-800-029
- SB47-612-171-123C#https://drs.faa.gov/browse/excelExternalWindow/0EE88E617B60B48286257FDB005C534A.0001## Mount Assembly - Engine Support Scott's-Bell 47 Inc. replaces 47-612-171-123
- SB47-110-372-001#https://drs.faa.gov/browse/excelExternalWindow/34AE3AAD3C0D574486257CDA005DC7EC.0001## Drag Brace Assembly Scott's-Bell 47 Inc. replaces 47-110-372-1
- SB47-722-269-001#https://drs.faa.gov/browse/excelExternalWindow/74C6A8DB449C6E8C862579CA006339A7.0001## Cable assembly, anti-torque controls, FWD Scott's-Bell 47 Inc. replaces 47-722-269-1
- SB47-722-272-001#https://drs.faa.gov/browse/excelExternalWindow/8DFC3122EC51C1B7862579CA006338DD.0001## Sleeve, ball seat, control cable Scott's-Bell 47 Inc. replaces 47-722-272-1
- SB47-722-273-001#https://drs.faa.gov/browse/excelExternalWindow/885CF935E0948568862579CA006336D0.0001## Cable, flight control, assembly of Scott's-Bell 47 Inc. replaces 47-722-273-1
- SB47-722-270-005#https://drs.faa.gov/browse/excelExternalWindow/5E094AFFCBB1A71F862579CA00633C6E.0001## Cable assembly, anti-torque controls, AFT Scott's-Bell 47 Inc. replaces 47-722-270-5
- SB47-631-800-019#https://drs.faa.gov/browse/excelExternalWindow/8F8EBDE8ED544F7D8625791400513486.0001## Control Installation, VO435 Engine Throttle Scott's-Bell 47 Inc. replaces Bell Helicopter P/N 47-631-800-19
- SB47-385-143-005#https://drs.faa.gov/browse/excelExternalWindow/C1DB610078C7CC958625791400512B73.0001## Shaft, handle assembly, jettisonable door assembly Scott's-Bell 47 Inc. replaces Bell Helicopter P/N 47-385-143-5
- SB47-722-270-021#https://drs.faa.gov/browse/excelExternalWindow/85694D59863D32E1862586290049EB36.0001## Cable Assembly, Anti-Torque Controls, Aft Scott's-Bell 47 Inc. replaces 47-722-270-1, 47-722-270-5
- SB47-640-055-007#https://drs.faa.gov/browse/excelExternalWindow/ED7D60D4E08E649586258439006DEFC1.0001## Tube Assy- Tail Rotor Drive Scott's-Bell 47 Inc. replaces 47-640-055-7
- SB47-640-055-007#https://drs.faa.gov/browse/excelExternalWindow/3143A4AAE9697B6B862583C2006D161C.0001## Tube Assy- Tail Rotor Drive Scott's-Bell 47 Inc. replaces 47-640-055-7
- SB47-644-232-009#https://drs.faa.gov/browse/excelExternalWindow/1E5D8C47929D6BA686258439006DEF9D.0001## Shaft, Tail Rotor Drive, Assy of Scott's-Bell 47 Inc. replaces 47-644-232-009
- SB47-644-232-009#https://drs.faa.gov/browse/excelExternalWindow/5ABFDB43305F5AA0862583C2006D1276.0001## Shaft, Tail Rotor Drive, Assy of Scott's-Bell 47 Inc. replaces 47-644-232-009
- SB47-120-250-001#https://drs.faa.gov/browse/excelExternalWindow/5BD631E02591B7F686258439006DEF7C.0001## Spring, Dynamic Flap Restraint Scott's-Bell 47 Inc. replaces 47-120-250-1
- SB47-120-250-001#https://drs.faa.gov/browse/excelExternalWindow/428E9BE24DA80025862583C2006D1611.0001## Spring, Dynamic Flap Restraint Scott's-Bell 47 Inc. replaces 47-120-250-1
- R47-110-373-1#https://drs.faa.gov/browse/excelExternalWindow/80678E3826DC10F7862579640071A4CD.0001## Clevis, inboard drag brace metal blade Helicopter Technology Inc replaces 47-110-373-1 Bell Helicopter
- R47-110-374-1#https://drs.faa.gov/browse/excelExternalWindow/E1CDD810F6E993D9862579640071A553.0001## Clevis, outboard Helicopter Technology Inc replaces 47-110-374-1 Bell Helicopter
- R47-110-372-1#https://drs.faa.gov/browse/excelExternalWindow/C01706CD778E9B88862579640071A4FF.0001## Drag Brace Assembly Helicopter Technology Inc replaces 47-110-372-1 Bell Helicopter
- R47-110-304-1#https://drs.faa.gov/browse/excelExternalWindow/2F1DD8D2E7102E24862579640071A49B.0001## Link, motor blade drag brace Helicopter Technology Inc replaces 47-110-304-1 Bell Helicopter
- R47-620-691-5#https://drs.faa.gov/browse/excelExternalWindow/D9757696C1BC485E862579640071A317.0001## Drum, Centrifugal Clutch, Transmission Helicopter Technology Inc replaces Bell P/N 047-620-691-5
- R47-140-252-1 (Replaced by, R47-140-253-1)#https://drs.faa.gov/browse/excelExternalWindow/036C6C5DDB573994862579640071A5E2.0001## Bearing, Rod End Helicopter Technology Inc replaces 47-140-252-1 and 47-140-253-1 Bell Helicopter
- R47-620-691-3#https://drs.faa.gov/browse/excelExternalWindow/682DC0D30DB58CA1862579640071A2D7.0001## Drum, Centrifugal Clutch, Transmission Helicopter Technology Inc replaces Bell P/N 047-620-691-3
- R47-110-378-1#https://drs.faa.gov/browse/excelExternalWindow/505ED52862579CB3862579640071A5B7.0001## Rod, tie Helicopter Technology Inc replaces 47-110-378-1 Bell Helicopter
- R47-620-692-1#https://drs.faa.gov/browse/excelExternalWindow/12A258DE7FEC5589862579640071A57F.0001## Pin Helicopter Technology Inc replaces 47-620-692-1 Bell Helicopter
- Helicopter Tech, Inc. P/N R47-120-252-115#https://drs.faa.gov/browse/excelExternalWindow/43D99321C1411772862579640071CF86.0001## Grip Main Rotor Helicopter Technology Inc replaces Bell P/N 47-120-252-115
- SB47-645-239-103#https://drs.faa.gov/browse/excelExternalWindow/D655D6EEF6882A958625818B0060C409.0001## Bearing- Tail Rotor Drive Shaft Scott's-Bell 47 Inc. replaces 47-645-239-1, 47-645-239-101
- SB47-722-290-021#https://drs.faa.gov/browse/excelExternalWindow/6C33549C73CE6AF4862581F50058087B.0001## Cable, Assy of, Flight Control Scott's-Bell 47 Inc. replaces 47-722-290-001, 47-722-290-021, NAS313C17-1840
- 74-140-134-1#https://drs.faa.gov/browse/excelExternalWindow/72D6825F249AED68862581980061C1C5.0001## Clamp, Stabilizer, Dampener Frame Scott's-Bell 47 Inc. replaces 47-140-134-1, 47-140-134-101
- 74-140-134-1M#https://drs.faa.gov/browse/excelExternalWindow/27344C4C20A24618862581980061C085.0001## Clamp, Stabilizer, Dampener Frame Scott's-Bell 47 Inc. replaces 47-140-134-1, 47-140-134-101
- SB47-620-629-007#https://drs.faa.gov/browse/excelExternalWindow/BE552AB0033637148625810100558130.0001## Bearing- Tail Rotor Drive Sleeve Scott's-Bell 47 Inc. replaces 47-620-629-7
- SB47-J-5736-13#https://drs.faa.gov/browse/excelExternalWindow/05F9B0E48CE00A578625800A0058634E.0001## Mount Scott's-Bell 47 Inc. replaces J-5736-13
- SB47-612-171-123C#https://drs.faa.gov/browse/excelExternalWindow/8056CAF6CA7EF7CA86257FDB005C53DE.0001## Mount Assembly - Engine Support Scott's-Bell 47 Inc. replaces 47-612-171-123
- SB47-645-205-003#https://drs.faa.gov/browse/excelExternalWindow/913B01B3ED08E1C786257FD9005B4CD7.0001## Shaft, Tail Rotor Drive Scott's-Bell 47 Inc. replaces 47-645-205-003
- SB47-110-021-003#https://drs.faa.gov/browse/excelExternalWindow/DEC3E39E7731B40986257F62006E1269.0001## Bolt, Rotor Blade, Type 10 Scott's-Bell 47 Inc. replaces 47-110-021-003
- SB47-631-131-003#https://drs.faa.gov/browse/excelExternalWindow/7798AF762D615CD786257EEB0061D6AB.0001## Control Assembly Fuel Shutoff Scott's-Bell 47 Inc. replaces 47-631-131-003
- SB47-661-031-001#https://drs.faa.gov/browse/excelExternalWindow/05C26697AF0DF63F86257E0A005FC97A.0001## Bearing, Cooling Fan Scott's-Bell 47 Inc. replaces 47-661-031-001
- SB47-110-372-001#https://drs.faa.gov/browse/excelExternalWindow/E1E176EE6E06EDEF86257CDA005DC7EE.0001## Drag Brace Assembly Scott's-Bell 47 Inc. replaces 47-110-372-1
- SB47-645-238-003#https://drs.faa.gov/browse/excelExternalWindow/B4B48CE3E481810F86257CC80045954F.0001## Bearing, Gear Box, Tail Rotor Drive Scott's-Bell 47 Inc. replaces 47-645-238-3
+ 20 more PMA parts on file
Advisory circulars & Federal Register
Advisory circulars
No ACs explicitly mention this type. Showing universal operating-rule ACs that apply to all aircraft.
Recent Federal Register · Parts 91 & 43
- 2026-09-14 Use of Certain Restricted Category Aircraft for the Transport of Firefighters for Wildfire Suppression FR ↗
- 2026-07-31 Requirements for Interference-Tolerant Radio Altimeter Systems FR ↗
- 2026-07-02 Enabling Supersonic Overland Flight FR ↗
- 2026-07-01 Mechanic Certification: Inspection Rating and Recent Experience Requirements FR ↗
- 2026-06-30 Designation-Restrict the Operation of Unmanned Aircraft in Close Proximity to a Fixed Site Facility; Extension of Comment Period FR ↗
Registered N-numbers · 55
| N-number | St | Year | NTSB | FAA |
|---|---|---|---|---|
| N10175 | AL | 1954 | ● | Look up ↗ |
| N1101V | NC | 1947 | · | Look up ↗ |
| N125MR | VA | 1957 | · | Look up ↗ |
| N13AS | NC | 1954 | · | Look up ↗ |
| N147CG | OH | 1956 | · | Look up ↗ |
| N147DP | FL | 1956 | · | Look up ↗ |
| N155JN | DE | 1955 | · | Look up ↗ |
| N17611 | IN | 1952 | · | Look up ↗ |
| N1773 | MI | 1967 | ● | Look up ↗ |
| N2199 | WA | 1952 | · | Look up ↗ |
| N22AP | TN | — | · | Look up ↗ |
| N22SH | TX | 1952 | · | Look up ↗ |
| N24067 | AZ | 1953 | ● | Look up ↗ |
| N2469B | TX | — | ● | Look up ↗ |
| N2473B | CA | 1955 | ● | Look up ↗ |
| N2795A | AR | — | ● | Look up ↗ |
| N2801B | DE | — | · | Look up ↗ |
| N2802B | FL | — | ● | Look up ↗ |
| N2814B | MT | 1956 | ● | Look up ↗ |
| N2821B | FL | 1956 | ● | Look up ↗ |
| N2862B | NY | 1957 | · | Look up ↗ |
| N29GR | KS | — | · | Look up ↗ |
| N33507 | CA | 1953 | · | Look up ↗ |
| N3740G | FL | — | ● | Look up ↗ |
| N4115A | FL | 1957 | · | Look up ↗ |
| N415DP | IL | 1947 | · | Look up ↗ |
| N4419E | AK | — | ● | Look up ↗ |
| N472DM | CA | 1963 | · | Look up ↗ |
| N472GD | MI | 1953 | · | Look up ↗ |
| N47ED | NV | 1972 | · | Look up ↗ |
| N47ZA | FL | 1956 | · | Look up ↗ |
| N547SB | MO | 1954 | · | Look up ↗ |
| N568TB | CA | — | ● | Look up ↗ |
| N62221 | DC | 1947 | ● | Look up ↗ |
| N6327D | DE | 1952 | ● | Look up ↗ |
| N6355 | MI | 1956 | ● | Look up ↗ |
| N6356 | PA | 1956 | ● | Look up ↗ |
| N6359X | KY | 1963 | ● | Look up ↗ |
| N6597D | CA | — | ● | Look up ↗ |
| N68GR | KS | — | · | Look up ↗ |
| N69GR | KS | — | · | Look up ↗ |
| N701GR | KS | — | · | Look up ↗ |
| N703GR | KS | — | · | Look up ↗ |
| N7736 | PA | 1954 | · | Look up ↗ |
| N7985A | TX | 1958 | ● | Look up ↗ |
| N7AR | MI | 1963 | · | Look up ↗ |
| N8236 | CA | 1955 | · | Look up ↗ |
| N8409E | OH | 1960 | ● | Look up ↗ |
| N88754 | FL | 1953 | ● | Look up ↗ |
| N921B | IL | 1952 | · | Look up ↗ |
| N932B | CA | 1953 | ● | Look up ↗ |
| N950B | AR | 1954 | ● | Look up ↗ |
| N955B | OK | 1954 | ● | Look up ↗ |
| N957B | FL | — | ● | Look up ↗ |
| N999GR | KS | — | · | Look up ↗ |
Source — FAA Aircraft Registry
Sources
- FAA Aircraft Registry ↗ Refreshed Apr 27, 2026 Available
- NTSB CAROL ↗ Refreshed Jun 10, 2026 Available
- Federal Register (FAA Airworthiness Directives) ↗ Refreshed Apr 27, 2026 Available