Rotorcraft · LYCOMING T53-L-13 · as of Sep 21, 2026
Resources Engine · Lycoming Engines ↗ Search FAA TCDS ↗
Distribution · currently registered
By state (top 10)
- CA 42.9% 3
- OR 28.6% 2
- WA 28.6% 2
By decade of manufacture
- 1960s 85.7% 6
- Unknown 14.3% 1
NTSB records
5 event(s) on file. Showing the most recent 5.
- May 31, 2015 N462CC Cove, Oregon NTSB docket ↗
- Oct 7, 2012 N1577 Shady Cove, Oregon Minor NTSB docket ↗
- Feb 23, 2004 N6257P Liberty, Washington Serious NTSB docket ↗
- May 19, 1998 N98NW HOPE, Idaho NTSB docket ↗
- Oct 20, 1996 N98NW DETROIT, Oregon Minor NTSB docket ↗
Airworthiness directives
27 directive(s) on file. Showing the most recent 25 · 2 more in the Federal Register.
- Sep 30, 2021
Airworthiness Directives; Arrow Falcon Exporters, Inc. (Previously Utah State University); California Department of Forestry; Firefly Aviation Helicopter Services (Previously Erickson Air-Crane Co.); Garlick Helicopters, Inc.; Global Helicopter Technology, Inc.; Hagglund Helicopters, LLC (Previously Western International Aviation, Inc.); International Helicopters, Inc.; Precision Helicopters, LLC; Robinson Air Crane, Inc.; San Joaquin Helicopters (Previously Hawkins and Powers Aviation, Inc.); S.M.&T. Aircraft (Previously US Helicopters, Inc., UNC Helicopter, Inc., Southern Aero Corporation, and Wilco Aviation); Smith Helicopters; Southern Helicopter, Inc.; Southwest Florida Aviation International, Inc. (Previously Jamie R. Hill and Southwest Florida Aviation); Tamarack Helicopters, Inc. (Previously Ranger Helicopter Services, Inc.); US Helicopter, Inc. (Previously UNC Helicopter, Inc.); West Coast Fabrication; and Williams Helicopter Corporation (Previously Scott Paper Co.) Model AH-1G, AH-1S, HH-1K, TH-1F, TH-1L, UH-1A, UH-1B, UH-1E, UH-1F, UH-1H, UH-1L, and UH-1P Helicopters; and Southwest Florida Aviation Model UH-1B (SW204 and SW204HP) and UH-1H (SW205) Helicopters
The FAA is withdrawing a notice of proposed rulemaking (NPRM) that proposed to supersede Airworthiness Directive (AD) AD 2002-20-01, which applies to certain Model HH-1K, TH-1F, TH-1L, UH-1A, UH-1B, UH- 1E, UH-1F, UH-1H, UH-1L, and UH-1P helicopters; and Southwest Florida Aviation Model SW204, SW204HP, SW205, and SW20…
- Oct 31, 2019
Airworthiness Directives; Various Experimental and Restricted Category Helicopters
The FAA proposes to adopt a new airworthiness directive (AD) for various helicopters operating under experimental airworthiness certificates and various type certificated restricted category helicopters. This proposed AD was prompted by multiple accidents and incidents involving failure of the tail boom attachment str…
- Aug 6, 2013
Airworthiness Directives; Various Restricted Category Helicopters
We are adopting a new airworthiness directive (AD) for Arrow Falcon Exporters, Inc. (previously Utah State University); Firefly Aviation Helicopter Services (previously Erickson Air-Crane Co.); California Department of Forestry; Garlick Helicopters, Inc.; Global Helicopter Technology, Inc.; Hagglund Helicopters, LLC (…
- Jul 30, 2012
Airworthiness Directives; Various Restricted Category Helicopters
We are adopting a new airworthiness directive (AD) for Arrow Falcon Exporters, Inc. (previously Utah State University); Firefly Aviation Helicopter Services (previously Erickson Air-Crane Co.); California Department of Forestry; Garlick Helicopters, Inc.; Global Helicopter Technology, Inc.; Hagglund Helicopters, LLC (…
- Jul 8, 2010
Airworthiness Directives; Arrow Falcon Exporters, Inc. (previously Utah State University); AST, Inc. (previously Firefly Aviation Helicopter Services, and Erickson Air-Crane); Rotorcraft Development Corporation (previously Garlick Helicopters, Inc.); Global Helicopter Technology, Inc.; Hagglund Helicopters, LLC (previously Western International Aviation, Inc.); International Helicopters, Inc.; Northwest Rotorcraft, LLC (previously Precision Helicopters, LLC); Robinson Air Crane, Inc.; San Joaquin Helicopters (previously Hawkins & Powers Aviation); S.M. &T. Aircraft (previously US Helicopter Inc., UNC Helicopters, Inc., Southern Aero Corporation, and Wilco Aviation); Smith Helicopters; Southern Helicopter, Inc.; Southwest Florida Aviation International, Inc. (previously Mr. Jamie R. Hill and Southwest Florida Aviation, Inc.); Tamarack Helicopters, Inc. (previously Ranger Helicopter Services, Inc.); US Helicopter, Inc. (previously Williams Helicopter Tech., Southern Aero Corp., Oregon Helicopters and Lenair Corp); West Coast Fabrications; and Overseas Aircraft Support Inc. (previously Williams Helicopter Corporation, Scott Paper Company and Offshores Construction) Model AH-1G, AH-1S, HH-1K, TH-1F, TH-1L, UH-1A, UH-1B, UH-1E, UH-1F, UH-1H, UH-1L, and UH-1P Helicopters; and Southwest Florida Aviation Model UH-1B (SW204 and SW204HP) and UH-1H (SW205) Helicopters
This amendment adopts a new airworthiness directive (AD) for the Aeronautical Accessories, Inc. (AAI) Low Skid Landing Gear Forward Crosstube (crosstube) installed on the specified helicopters. This action requires replacing certain AAI serial-numbered crosstubes installed on these model helicopters. This amendment is…
- Jul 8, 2010
Airworthiness Directives; Arrow Falcon Exporters, Inc. (Previously Utah State University), et al., Model HH-1K, TH-1F, TH-1L, UH-1A, UH-1B, UH-1E, UH-1F, UH-1H, UH-1L, and UH-1P Helicopters; and Southwest Florida Aviation Model UH-1B (SW204 and SW204HP) and UH-1H (SW205) Helicopters
This document proposes adopting a new airworthiness directive (AD) for the specified type-certificated military surplus helicopters. The AD would require: Creating a component history card or equivalent record for each main rotor grip (grip); determining and recording the total hours time-in-service (TIS) for each gri…
- May 13, 2010
Airworthiness Directives; Arrow Falcon Exporters, Inc. (previously Utah State University) et al. Model HH-1K, TH-1F, TH-1L, UH-1A, UH-1B, UH-1E, UH-1F, UH-1H, UH-1L, and UH-1P Helicopters; and Southwest Florida Aviation Model UH-1B (SW204 and SW204HP) and UH-1H (SW205) Helicopters
This document proposes adopting a new airworthiness directive (AD) for the specified model helicopters. The AD would require inspecting each affected tail rotor blade (blade) forward tip weight retention block (tip block) and the aft tip closure (tip closure) for adhesive bond voids and removing any blade with an exce…
- Apr 22, 2010
Airworthiness Directives; Arrow Falcon Exporters, Inc. (previously Utah State University); California Department of Forestry; Firefly Aviation Helicopter Services (previously Erickson Air-Crane Co.); Garlick Helicopters, Inc.; Global Helicopter Technology, Inc.; Hagglund Helicopters, LLC (previously Western International Aviation, Inc.); International Helicopters, Inc.; Precision Helicopters, LLC; Robinson Air Crane, Inc.; San Joaquin Helicopters (previously Hawkins and Powers Aviation, Inc.); S.M.&T. Aircraft (previously US Helicopters, Inc., UNC Helicopter, Inc., Southern Aero Corporation, and Wilco Aviation); Smith Helicopters; Southern Helicopter, Inc.; Southwest Florida Aviation International, Inc. (previously Jamie R. Hill and Southwest Florida Aviation); Tamarack Helicopters, Inc. (previously Ranger Helicopter Services, Inc.); US Helicopter, Inc. (previously UNC Helicopter, Inc.); West Coast Fabrication; and Williams Helicopter Corporation (previously Scott Paper Co.) Model AH-1G, AH-1S, HH-1K, TH-1F, TH-1L, UH-1A, UH-1B, UH-1E, UH-1F, UH-1H, UH-1L, and UH-1P Helicopters; and Southwest Florida Aviation Model UH-1B (SW204 and SW204HP) and UH-1H (SW205) Helicopters
This document proposes superseding an existing airworthiness directive (AD) for Model HH-1K, TH-1F, TH-1L, UH-1A, UH-1B, UH-1E, UH- 1F, UH-1H, UH-1L, and UH-1P helicopters; and Southwest Florida Aviation Model SW204, SW204HP, SW205, and SW205A-1 helicopters, manufactured by Bell Helicopter Textron, Inc. (BHTI) for the…
- Sep 11, 2006
Airworthiness Directives; Arrow Falcon Exporters, Inc. (Previously Utah State University); Firefly Aviation Helicopter Services (Previously Erickson Air-Crane Co.); California Department of Forestry; Garlick Helicopters, Inc.; Global Helicopter Technology, Inc.; Hagglund Helicopters, LLC (Previously Western International Aviation, Inc.); International Helicopters, Inc.; Precision Helicopters, LLC; Robinson Air Crane, Inc.; San Joaquin Helicopters (Previously Hawkins and Powers Aviation, Inc.) S.M.&T. Aircraft (Previously U.S. Helicopters, Inc., UNC Helicopter, Inc., Southern Aero Corporation, and Wilco Aviation); Smith Helicopters; Southern Helicopter, Inc.; Southwest Florida Aviation International, Inc. (Previously Jamie R. Hill and Southwest Florida Aviation); Tamarack Helicopters, Inc. (Previously Ranger Helicopter Services, Inc.); U.S. Helicopter, Inc. (Previously UNC Helicopter, Inc.); West Coast Fabrication; and Williams Helicopter Corporation (Previously Scott Paper Co.) Model HH-1K, TH-1F, TH-1L, UH-1A, UH-1B, UH-1E, UH-1F, UH-1H, UH-1L, and UH-1P Helicopters; and Southwest Florida Aviation Model SW204, SW204HP, SW205, and SW205A-1 Helicopters
This amendment adopts a new airworthiness directive (AD) for the specified restricted category type-certificated helicopters. The AD requires a review of the helicopter records to determine the Commercial and Government Entity (CAGE) code of the tail rotor (T/R) slider. If the T/R slider is FAA approved or has a certa…
- Jun 22, 2006
Airworthiness Directives; Arrow Falcon Exporters, Inc. (Previously Utah State University); Firefly Aviation Helicopter Services (Previously Erickson Air-Crane Co.); California Department of Forestry; Garlick Helicopters, Inc.; Global Helicopter Technology, Inc.; Hagglund Helicopters, LLC (Previously Western International Aviation, Inc.); International Helicopters, Inc.; Precision Helicopters, LLC; Robinson Air Crane, Inc.; San Joaquin Helicopters (Previously Hawkins and Powers Aviation, Inc.); S.M.&T. Aircraft (Previously US Helicopters, Inc., UNC Helicopter, Inc., Southern Aero Corporation, and Wilco Aviation); Smith Helicopters; Southern Helicopter, Inc.; Southwest Florida Aviation International, Inc. (Previously Jamie R. Hill and Southwest Florida Aviation); Tamarack Helicopters, Inc. (Previously Ranger Helicopter Services, Inc.); US Helicopter, Inc. (Previously UNC Helicopter, Inc.); West Coast Fabrication; and Williams Helicopter Corporation (Previously Scott Paper Co.) Model HH-1K, TH-1F, TH-1L, UH-1A, UH-1B, UH-1E, UH-1F, UH-1H, UH-1L, and UH-1P Helicopters; and Southwest Florida Aviation Model SW204, SW204HP, SW205, and SW205A-1 Helicopters
This document proposes adopting a new airworthiness directive (AD) for the specified restricted category type-certificated helicopters. The AD would require a review of the helicopter records to determine the Commercial and Government Entity (CAGE) code of the tail rotor (T/R) slider. If the T/R slider is FAA approved…
- Feb 26, 2003
Airworthiness Directives; Model HH-1K, TH-1F, TH-1L, UH-1A, UH-1B, UH-1E, UH-1F, UH-1H, UH-1L, and UH-1P; and Southwest Florida Aviation Model SW204, SW204HP, SW205, and SW205A-1 Helicopters, Manufactured by Bell Helicopter Textron, Inc. (BHTI) for the Armed Forces of the United States
This document proposes the supersedure of an existing airworthiness directive (AD) that applies to specified type- certificated military surplus helicopters. That AD currently requires visual and radiographic inspections of the Boom Station (BS) 194 skin joint area and the vertical fin spar caps for cracks or fretting…
- Oct 2, 2002
Airworthiness Directives; Model HH-1K, TH-1F, TH-1L, UH-1A, UH-1B, UH-1E, UH-1F, UH-1H, UH-1L, and UH-1P; and Southwest Florida Aviation Model SW204, SW204HP, SW205, and SW205A-1 Helicopters, Manufactured by Bell Helicopter Textron, Inc. for the Armed Forces of the United States
This amendment adopts a new airworthiness directive (AD) for the specified military surplus helicopters that requires updating the product identification, extending the application of the AD to other models, continuing the existing retirement time for certain main rotor tension-torsion (TT) straps, and adding the TT s…
- Aug 2, 2002
Airworthiness Directives; Model HH-1K, TH-1F, TH-1L, UH-1A, UH-1B, UH-1E, UH-1F, UH-1H, UH-1L, and UH-1P; and Southwest Florida Aviation SW204, SW204HP, SW205, and SW205A-1 Helicopters Manufactured by Bell Helicopter Textron, Inc. for the Armed Forces of the United States
This document publishes in the Federal Register an amendment adopting Airworthiness Directive (AD) 2002-13-51, sent previously to all known U.S. owners and operators of the specified helicopters by individual letters. This AD requires cleaning and inspecting a certain tail rotor (T/R) grip with a magnet to determine i…
- Apr 10, 2002
Airworthiness Directives; Model HH-1K, TH-1F, TH-1L, UH-1A, UH-1B, UH-1E, UH-1F, UH-1H, UH-1L, and UH-1P; and Southwest Florida Aviation Model SW204, SW204HP, SW205, and SW205A-1 Helicopters, Manufactured by Bell Helicopter Textron, Inc. for the Armed Forces of the United States
This document proposes adopting a new airworthiness directive (AD) for specified restricted category helicopters. The proposed AD would require updating the product identification, extending the application of the AD to other models, continuing the existing retirement time for certain main rotor tension-torsion (TT) s…
- Feb 1, 2002
Airworthiness Directives; Model HH-1K, TH-1F, TH-1L, UH-1A, UH-1B, UH-1E, UH-1F, UH-1H, UH-1L, UH-1P, and Southwest Florida Aviation Model SW204, SW204HP, SW205, and SW205A-1 Helicopters, Manufactured by Bell Helicopter Textron, Inc. for the Armed Forces of the United States
This amendment supersedes an existing airworthiness directive (AD) that applies to Model HH-1K, TH-1F, TH-1L, UH-1A, UH-1B, UH-1E, UH-1F, UH-1H, UH-1L, UH-1P, and Southwest Florida Aviation Model SW204, SW204HP, SW205, and SW205A-1 helicopters, manufactured by Bell Helicopter Textron, Inc. (BHTI) for the Armed Forces…
- Sep 21, 2001
Airworthiness Directives; Model HH-1K, TH-1F, TH-1L, UH-1A, UH-1B, UH-1E, UH-1F, UH-1H, UH-1L, UH-1P, and Southwest Florida Aviation Model SW204, SW204HP, SW205, and SW205A-1 Helicopters, Manufactured by Bell Helicopter Textron, Inc. for the Armed Forces of the United States
This document proposes superseding an existing airworthiness directive (AD) for Model HH-1K, TH-1F, TH-1L, UH-1A, UH-1B, UH-1E, UH- 1F, UH-1H, UH-1L, and UH-1P; and Southwest Florida Aviation SW204, SW204HP, SW205, and SW205A-1 helicopters manufactured by Bell Helicopter Textron, Inc. (BHTI) for the Armed Forces of th…
- Dec 13, 2000
Airworthiness Directives; Bell Helicopter Textron, Inc. Model 204B, 205A, 205A-1, 205B, and 212 Helicopters
This document publishes in the Federal Register an amendment adopting superseding Airworthiness Directive (AD) 2000-15-52, which was sent previously to all known U.S. owners and operators of Bell Helicopter Textron, Inc. Model (BHTI) Model 204B, 205A, 205A-1, 205B, and 212 helicopters by individual letters. This AD re…
- Dec 11, 2000
Airworthiness Directives; Model HH-1K, TH-1F, TH-1L, UH-1A, UH-1B, UH-1E, UH-1F, UH-1H, UH-1L, and UH-1P; and Southwest Florida Aviation SW204, SW204HP, SW205, and SW205A-1 Helicopters Manufactured by Bell Helicopter Textron Inc. for the Armed Forces of the United States
This document publishes in the Federal Register an amendment adopting superseding Airworthiness Directive (AD) 2000-22-51, which was sent previously by individual letters to all known U.S. owners and operators of Model HH-1K, TH-1F, TH-1L, UH-1A, UH-1B, UH-1E, UH-1F, UH- 1H, UH-1L, and UH-1P; and Southwest Florida Avi…
- Nov 7, 2000
Airworthiness Directives; Bell Helicopter Textron Inc.-Manufactured Model HH-1K, TH-1F, TH-1L, UH-1A, UH-1B, UH-1E, UH-1F, UH-1H, UH-1L, and UH-1P; and Southwest Florida Aviation SW204, SW204HP, SW205, and SW205A-1 Helicopters
This amendment revises an existing airworthiness directive (AD) that applies to Model HH-1K, TH-1F, TH-1L, UH-1A, UH-1B, UH-1E, UH-1F, UH-1H, UH-1L, and UH-1P; and Southwest Florida Aviation SW204, SW204HP, SW205, and SW205A-1 helicopters, manufactured by Bell Helicopter Textron Inc. (BHTI) for the Armed Forces of the…
- Aug 9, 2000
Airworthiness Directives; Bell Helicopter Textron Inc.-Manufactured Model HH-1K, TH-1F, TH-1L, UH-1A, UH-1B, UH-1E, UH-1F, UH-1H, UH-1L, and UH-1P; and Southwest Florida Aviation SW204, SW204HP, SW205, and SW205A-1 Helicopters
This amendment adopts a new airworthiness directive (AD) that applies to Bell Helicopter Textron Inc. (BHTI)-manufactured Model HH- 1K, TH-1F, TH-1L, UH-1A, UH-1B, UH-1E, UH-1F, UH-1H, UH-1L, and UH-1P; and Southwest Florida Aviation SW204, SW204HP, SW205, and SW205A-1 helicopters. This AD requires removing and replac…
- Mar 24, 2000
Airworthiness Directives; Bell Helicopter Textron Inc.-Manufactured Model HH-1K, TH-1F, TH-1L, UH-1A, UH-1B, UH-1E, UH-1F, UH-1H, UH-1L, and UH-1P; and Southwest Florida Aviation SW204, SW204HP, SW205, and SW205A-1 Helicopters
This document proposes the adoption of a new airworthiness directive (AD) applicable to Bell Helicopter Textron Inc. (BHTI)- manufactured Model HH-1K, TH-1F, TH-1L, UH-1A, UH-1B, UH-1E, UH-1F, UH- 1H, UH-1L, and UH-1P; and Southwest Florida Aviation SW204, SW204HP, SW205, and SW205A-1 helicopters. This AD would requir…
- Dec 7, 1999
Airworthiness Directives; Bell Helicopter Textron-manufactured Model HH-1K, TH-1F, TH-1L, UH-1A, UH-1B, UH-1E, UH-1F, UH-1H, UH-1L, and UH-1P Helicopters; and Southwest Florida Aviation SW204, SW204HP, SW205, and SW205A-1 Helicopters
This amendment supersedes an existing airworthiness directive (AD), applicable to Bell Helicopter Textron (Bell)-manufactured Model HH-1K, TH-1F, TH-1L, UH-1A, UH-1B, UH-1E, UH-1F, UH-1H, UH-1L, and UH- 1P helicopters; and Southwest Florida Aviation SW204, SW204HP, SW205, and SW205A-1 helicopters, that currently requi…
- Apr 16, 1999
Airworthiness Directives; Bell Helicopter Textron-manufactured Model HH-1K, TH-1F, TH-1L, UH-1A, UH-1B, UH-1E, UH-1F, UH-1H, UH-1L, and UH-1P Helicopters; and Southwest Florida Aviation SW204, SW204HP, SW205, and SW205A-1 Helicopters
This document proposes the supersedure of an existing airworthiness directive (AD), applicable to Bell Helicopter Textron (Bell)-manufactured Model HH-1K, TH-1F, TH-1L, UH-1A, UH-1B, UH-1E, UH- 1F, UH-1H, UH-1L, and UH-1P helicopters; and Southwest Florida Aviation SW204, SW204HP, SW205, and SW205A-1 helicopters that…
- Apr 1, 1999
Airworthiness Directives; Bell Helicopter Textron, Inc.- manufactured Model HH-1K, SW204, SW204HP, SW205, SW205A-1, TH-1F, TH- 1L, UH-1A, UH-1B, UH-1E, UH-1F, UH-1H, UH-1L, and UH-1P Helicopters
This amendment adopts a new airworthiness directive (AD) that is applicable to Bell Helicopter Textron, Inc. (BHTI)-manufactured Model HH-1K, SW204, SW204HP, SW205, SW205A-1, TH-1F, TH-1L, UH-1A, UH- 1B, UH-1E, UH-1F, UH-1H, UH-1L, and UH-1P helicopters. This action requires inspecting the tail rotor yoke (yoke) assem…
- May 13, 1998
Airworthiness Directives; Bell Helicopter Textron (Bell)- manufactured Model HH-1K, TH-1F, TH-1L, UH-1A, UH-1B, UH-1E, UH-1F, UH- 1H, UH-1L, and UH-1P Helicopters; and Southwest Florida Aviation SW204, SW204HP, SW205, and SW205A-1 Helicopters
This amendment supersedes an existing priority letter airworthiness directive (AD), applicable to Bell-manufactured Model HH- 1K, TH-1F, TH-1L, UH-1A, UH-1B, UH-1E, UH-1F, UH-1H, UH-1L, and UH-1P helicopters; and Southwest Florida Aviation SW204, SW204HP, and SW205 helicopters, that currently requires modification and…
Type certificate data sheets · 1 match in the FAA catalog
- H13WE Rotorcraft Development Corporation Historical Rev 10 · 09/30/2009
Models: UH-1H, UH-1B
SAIBs · 2 on file · advisory, not mandatory
Supplemental type certificates · 43 on file
- 02/08/2023 STC SR09167RC Replacement of tail rotor control roller chain. Midwest Aerospace TC LLC DRS ↗
- 02/08/2023 STC SR09176RC Modification of the vertical fin spar Midwest Aerospace TC LLC DRS ↗
- 02/08/2023 STC SR09224RC Modification of the lift beam on the Model UH-1H Midwest Aerospace TC LLC DRS ↗
- 08/23/2018 STC SR01039SE Fabrication of tail boom mounted strakes in accordance with Master Drawing List Number BL-UH1H-01, Revision D, dated September 10, 2001, or later Federal Aviation Administration (F… BLR Aerospace LLC. DRS ↗
- 05/16/2011 STC SH5758NM Fabrication of the Onboard Model 200-095-00 Multi-Channel Electrical Slip-Ring Kit in accordance with Onboard Systems Master Drawing List No. 155-022-00, Revision B, dated March 11… Onboard Systems International DRS ↗
- 04/15/2011 STC SR02545AT Manufacture of Fast Rope Kit in accordance with Aeronautical Accessories, Inc. Drawing List Report No. AA-99126-4Rev A dated June 14, 2001, or later FAA approved revision, and inst… Bell Helicopter Textron Inc. DRS ↗
- 12/14/2009 STC SR01470SE Fabrication and Installation of Boundary Layer Research (BLR) Fast Fin System. BLR Aerospace LLC. DRS ↗
- 11/23/2009 STC SR01470SE Fabrication and Installation of Boundary Layer Research (BLR) Fast Fin System. BLR Aerospace LLC. DRS ↗
- 11/23/2009 STC SR00929SE Fabrication of Boundary Layer Research (BLR) tail boom mounted strakes. BLR Aerospace LLC. DRS ↗
- 11/23/2009 STC SR01039SE Fabrication of tail boom mounted strakes in accordance with Master Drawing List Number BL-UH1H-01, Revision D, dated September 10, 2001, or later Federal Aviation Administration (F… BLR Aerospace LLC. DRS ↗
- 09/30/2009 STC SR01196LA Installation of Honeywell (Lycoming) T53-L-703 engine to replace Honeywell (Lycoming) T53-L-13/13B/-13BA engine. Responsible ACO is Los Angeles, NM-L. Minuteman Aviation Inc. DRS ↗
- 09/18/2009 STC SR09257RC Fabrication, modification, and installation of a new vertical fin spar. Global Helicopter Technology Inc. DRS ↗
- 08/27/2009 STC SR01946SE Installation of the Mechanical Specialties, Model UH606 Mechanical Specialties Inc DRS ↗
- 02/04/2009 STC SR09176RC Modification of the vertical fin spar. Rotorcraft Development Corporation DRS ↗
- 01/11/2009 STC SR01742NY Installation of extended height landing gear. Dart Aerospace Limited DRS ↗
- 01/08/2009 STC SR01298NY Installation of replacement crosstubes P/N D212-664. Dart Aerospace Limited DRS ↗
- 08/11/2008 STC SR00563NY Installation of Skidtubes and associated saddles Dart Aerospace Limited DRS ↗
- 06/10/2008 STC SR00332NY Installation of Avionics Specialties power analyzer and recorder no. SL17009 and SL17061. Aerosonic Corporation DRS ↗
- 10/31/2007 STC SR00713SE Fabrication of Onboard Systems Model 200-088-10 (without load weigh) or 200-089-10, -11, -20, -21, -22, or -23 (with load weigh) cargo hook suspension system Onboard Systems International DRS ↗
- 08/14/2007 STC SR00332NY Installation of Avionics Specialties power analyzer and recorder no. SL17009 and SL17061. (UH-1H with STC SR00267SE installed) Avionics Specialties Inc DRS ↗
- 07/19/2007 STC SR01776SE Installation of the Isolair Helicopters System, Model 9002 High Cross tubes. Isolair Inc. DRS ↗
- 07/10/2007 STC SR09224RC Modification of the lift beam on the Model UH-IH Garlick Helicopters Inc DRS ↗
- 07/10/2007 STC SR09167RC Replacement of tail rotor control roller chain. Garlick Helicopters Inc DRS ↗
- 07/10/2007 STC SR09176RC Modification of the vertical fin spar. Garlick Helicopters Inc DRS ↗
- 07/10/2007 STC SR00143DE Installation of an upgraded 42 degree tail rotor gearbox. (UH-1H RESTRICTED CATEGORY) (SW205 (UH-1H) RESTRICTED CATEGORY) Garlick Helicopters Inc DRS ↗
- 05/24/2007 STC SR02051LA Installation of a VAn Horn Aviation Tail Rotor Blade. Van Horn Aviation LLC DRS ↗
- 05/16/2007 STC SR00929SE Fabrication of Boundary Layer Research (BLR) tail boom mounted strakes. Boundary Layer Research Inc DRS ↗
- 05/03/2006 STC SH5707NM Fabrication of Onboard Systems Model 200-088-01, -02, -03, or -04 (without load weight), or 200-089-01, -02, -03, or -04 (with load weigh) cargo hook suspension system. Onboard Systems International DRS ↗
- 11/01/2005 STC SR01470SE Fabrication and Installation of Boundary Layer Research (BLR) Fast Fin System. Boundary Layer Research Inc DRS ↗
- 04/11/2005 STC SR01395NY Installation of adjustable engine mount. Dart Aerospace Limited DRS ↗
+ 13 more STCs on file
PMA replacement parts · 60+ on file
- TAISGT-522-002#https://drs.faa.gov/browse/excelExternalWindow/EC055533B7721BB68625836A005028F8.0001## Wingshaft Extex Engineered Products Inc replaces SGT-522-2
- TAI-4010-481-001#https://drs.faa.gov/browse/excelExternalWindow/8F65ECE5CD1397438625836A004FC630.0001## Nut, Mast, Main Rotor Extex Engineered Products Inc replaces 204-010-481-001
- ASI-4011-116-1#https://drs.faa.gov/browse/excelExternalWindow/6878E02F5BAF11278625836A005028D8.0001## Nut Retention Strap, Main Rotor Extex Engineered Products Inc replaces 204-011-116-1
- ASI-4040-313-001#https://drs.faa.gov/browse/excelExternalWindow/E93B7083F17E71818625836A005028E9.0001## Spacer, Tail Rotor Drive Quill Extex Engineered Products Inc replaces 204-040-313-1
- TAI-4010-720-003#https://drs.faa.gov/browse/excelExternalWindow/6FF67CBB2D80CFDC8625836A004FC61F.0001## Slider -Tail Rotor Assembly Extex Engineered Products Inc replaces 204-010-720-003
- TAI-5011-711-101#https://drs.faa.gov/browse/excelExternalWindow/9327F933A20A054B8625836A005028F7.0001## Grip Assembly - Steel, Tail Rotor Extex Engineered Products Inc replaces 205-011-711-101
- TAI-4011-423-1#https://drs.faa.gov/browse/excelExternalWindow/C611E55FA41786FE8625836A004FC637.0001## Sleeve, Bearing Inner Race S/P Inner Ring Extex Engineered Products Inc replaces 204-011-423-1
- TAI-2040-136-001#https://drs.faa.gov/browse/excelExternalWindow/FF4DBEF2A279E6F88625836A004FC62D.0001## Bearing Extex Engineered Products Inc replaces 212-040-136-001
- TAI-4040-603-007#https://drs.faa.gov/browse/excelExternalWindow/65DDF15AF69F750B8625836A005028F4.0001## Coupling, Male Spherical, Driveshaft Extex Engineered Products Inc replaces 204-040-603-007
- TAI-4031-244-005#https://drs.faa.gov/browse/excelExternalWindow/94F3DE238BEA05DC8625836A004FC620.0001## Bolt, 5th Mount Assembly of Extex Engineered Products Inc replaces 204-031-244-5
- ASI-4011-171-3#https://drs.faa.gov/browse/excelExternalWindow/7AC1800E77BCADB58625836A005028E1.0001## Bolt, Pillow Block Extex Engineered Products Inc replaces 204-011-171-3
- TAI-4011-425-1#https://drs.faa.gov/browse/excelExternalWindow/FF8E85F20314435E8625836A004FC638.0001## Liner, Outer Ring Extex Engineered Products Inc replaces 204-011-425-1
- TAI-4011-122-001#https://drs.faa.gov/browse/excelExternalWindow/F8FA99048A03A2268625836A004FC631.0001## Liner Assembly, Trunnion Bearing, Main Rotor Extex Engineered Products Inc replaces 204-011-122-001
- ASI-4011-151-1#https://drs.faa.gov/browse/excelExternalWindow/47488796A31527198625836A005028E0.0001## Bolt - Blade, Main Rotor Assembly Extex Engineered Products Inc replaces 204-011-151-1
- TAI-4040-514-001#https://drs.faa.gov/browse/excelExternalWindow/68C17445E6D51CBD8625836A004FC624.0001## Glass, Sight Gage, Oil Gearbox Extex Engineered Products Inc replaces 204-040-514-001
- TAI-4040-514-001#https://drs.faa.gov/browse/excelExternalWindow/4F776F4BB10579908625836A005028F3.0001## Glass, Sight Gage, Oil Gearbox Extex Engineered Products Inc replaces 204-040-514-001
- TAI-4040-359-1#https://drs.faa.gov/browse/excelExternalWindow/4DC038AE766136D68625836A004FC622.0001## Case-Top, Transmission Assembly Extex Engineered Products Inc replaces 204-040-359-1
- TAI-4011-130-1#https://drs.faa.gov/browse/excelExternalWindow/61792285B94D79028625836A004FC632.0001## Liner, Outboard Bearing Extex Engineered Products Inc replaces 204-011-130-1
- ASI-4011-121-5#https://drs.faa.gov/browse/excelExternalWindow/662D22768B602E848625836A005028DC.0001## Grip Assembly, Main Rotor Extex Engineered Products Inc replaces 204-011-121-5
- ASI-4011-121-113#https://drs.faa.gov/browse/excelExternalWindow/DD5B1629F4F74C0E8625836A005028DD.0001## Grip Assembly, Main Rotor Extex Engineered Products Inc replaces 204-011-121-113
- TAI-5011-711-101#https://drs.faa.gov/browse/excelExternalWindow/84D7EABEFD6620E68625836A004FC629.0001## Grip Assembly - Steel, Tail Rotor Extex Engineered Products Inc replaces 205-011-711-101
- TAISGT-522-002#https://drs.faa.gov/browse/excelExternalWindow/D3E0741EF71B54C18625836A004FC62A.0001## Wingshaft Extex Engineered Products Inc replaces SGT-522-2
- ASI-4010-404-1#https://drs.faa.gov/browse/excelExternalWindow/4F138CFE71A87EB88625836A005028D7.0001## Ring Assembly Swashplate Gimbal Extex Engineered Products Inc replaces 204-010-404-1
- 204-011-409-1AL#https://drs.faa.gov/browse/excelExternalWindow/367AB5FFD5E052FD8625836A004FC62B.0001## Bearing Set, Ball Extex Engineered Products Inc replaces 204-011-409-1
- TAI-4040-815-001#https://drs.faa.gov/browse/excelExternalWindow/E8AB12A1A1175D978625836A004FC627.0001## Bolt, Lift Link Extex Engineered Products Inc replaces 204-040-815-1
- ASI-4012-103-001#https://drs.faa.gov/browse/excelExternalWindow/C479FEC6F5CA62A08625836A005028E8.0001## Fitting, Retention Strap, Outboard, Main Rotor Extex Engineered Products Inc replaces 204-012-103-1
- TAI-4040-603-007#https://drs.faa.gov/browse/excelExternalWindow/219DDD73F3CF23DD8625836A004FC626.0001## Coupling, Male Spherical, Driveshaft Extex Engineered Products Inc replaces 204-040-603-007
- TAISGT528-1#https://drs.faa.gov/browse/excelExternalWindow/AFCAAA84CD8783E38625836A004FC644.0001## Transparent Window Extex Engineered Products Inc replaces SGT528-1
- ASI-4011-180-1#https://drs.faa.gov/browse/excelExternalWindow/F7A90F6F1BE847258625836A005028E3.0001## Fitting, Drag Brace Assembly Extex Engineered Products Inc replaces 204-011-180-1
- TAI-4010-433-1#https://drs.faa.gov/browse/excelExternalWindow/97D6039E75F7FE088625836A004FC62F.0001## Bearing & Liner, Assembly Extex Engineered Products Inc replaces 204-010-433-1
- ASI-4011-120-5#https://drs.faa.gov/browse/excelExternalWindow/5D24CF21B34471258625836A005028DB.0001## Pitch Horn Assembly, Main Rotor Extex Engineered Products Inc replaces 204-011-120-5
- 204-011-430-1T#https://drs.faa.gov/browse/excelExternalWindow/60F58AFE814FA7878625836A004FC62C.0001## Bearing Ball, Thrust Swashplate Extex Engineered Products Inc replaces 204-011-430-1
- TAI-4011-443-001#https://drs.faa.gov/browse/excelExternalWindow/550FFF53F86F084F8625836A004FC639.0001## Bearing & Liner, Assembly Extex Engineered Products Inc replaces 204-011-443-001
- TAI-4012-118-1#https://drs.faa.gov/browse/excelExternalWindow/7D796C6EF0DEBB118625836A004FC63E.0001## Shield, Assembly, M/R Extex Engineered Products Inc replaces 204-012-118-1
- ASI-4011-403-1#https://drs.faa.gov/browse/excelExternalWindow/C0E3A297D69A86A68625836A005028E5.0001## Ring Assembly, Outer Swashplate Extex Engineered Products Inc replaces 204-011-403-1
- ASI-4011-136-103#https://drs.faa.gov/browse/excelExternalWindow/1DAD6710DE807C488625836A005028DE.0001## Clevis, Pitch Change, Main Rotor Extex Engineered Products Inc replaces 204-011-136-103
- TAI-4011-153-001#https://drs.faa.gov/browse/excelExternalWindow/41171A70F65647488625836A004FC635.0001## Nut, Blade Main Rotor Extex Engineered Products Inc replaces 204-011-153-1
- ASI-4011-408-105#https://drs.faa.gov/browse/excelExternalWindow/D60318E8223E33478625836A005028E6.0001## Sleeve, Collective Extex Engineered Products Inc replaces 204-011-408-105
- TAI-5030-517-001#https://drs.faa.gov/browse/excelExternalWindow/56DF7D00E2A175A88625836A004FC643.0001## Pin, Lower, Latch Extex Engineered Products Inc replaces 205-030-517-001
- TAI-4031-244-005#https://drs.faa.gov/browse/excelExternalWindow/F7B22C067ADB807A8625836A005028EF.0001## Bolt, 5th Mount Assembly of Extex Engineered Products Inc replaces 204-031-244-5
+ 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 · 7
| N-number | St | Year | NTSB | FAA |
|---|---|---|---|---|
| N1577 | OR | 1965 | ● | Look up ↗ |
| N205JG | CA | — | · | Look up ↗ |
| N27FU | CA | 1963 | · | Look up ↗ |
| N462CC | OR | 1965 | ● | Look up ↗ |
| N6257P | CA | 1963 | ● | Look up ↗ |
| N6261C | WA | 1968 | · | Look up ↗ |
| N98NW | WA | 1964 | ● | 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