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Type Record · As of May 3, 2026

WILLIAMS HELICOPTER CORP UH-1H

Rotorcraft · LYCOMING T53-L-13

Registered

6

Year Range

1965–1967

NTSB Events

4

Airworthiness Directives

24

Aircraft Resources

Engine · Lycoming Engines → Search FAA TCDS →

01 /  Distribution

Where the fleet lives and was built

Counts of currently-registered WILLIAMS HELICOPTER CORP UH-1H aircraft by US state and decade of manufacture, sourced from the FAA Aircraft Registry.

By State (top 10)

  • CA 33.3% 2
  • DE 16.7% 1
  • OR 16.7% 1
  • ME 16.7% 1
  • AZ 16.7% 1

By Decade of Manufacture

  • 1960s 33.3% 2
  • Unknown 66.7% 4

02 /  NTSB Records

Events involving WILLIAMS HELICOPTER CORP UH-1H aircraft

4 event(s) on file. Showing the most recent 4.

02c /  Academic Research

Scholarly work mentioning WILLIAMS HELICOPTER CORP UH-1H

Papers and reports across NASA, NTSB, FAA CAMI, AOPA ASI, Embry-Riddle, arXiv, and the broader academic graph that mention this airframe. Title or keyword match — drill into each for full abstract + author list + PDF link.

Browse the full corpus — academia portal ↗

03 /  Airworthiness Directives

FAA directives applicable to WILLIAMS HELICOPTER CORP UH-1H

24 directive(s) on file. Showing the most recent 24.

  • 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…

    Atlas AD → Federal Register ↗

  • 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 (…

    Atlas AD → Federal Register ↗

  • 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 (…

    Atlas AD → Federal Register ↗

  • 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…

    Atlas AD → Federal Register ↗

  • 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…

    Atlas AD → Federal Register ↗

  • 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…

    Atlas AD → Federal Register ↗

  • 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…

    Atlas AD → Federal Register ↗

  • 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…

    Atlas AD → Federal Register ↗

  • 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…

    Atlas AD → Federal Register ↗

  • 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…

    Atlas AD → Federal Register ↗

  • 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…

    Atlas AD → Federal Register ↗

  • 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…

    Atlas AD → Federal Register ↗

  • 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…

    Atlas AD → Federal Register ↗

  • 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…

    Atlas AD → Federal Register ↗

  • 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…

    Atlas AD → Federal Register ↗

  • 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…

    Atlas AD → Federal Register ↗

  • 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…

    Atlas AD → Federal Register ↗

  • 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…

    Atlas AD → Federal Register ↗

  • 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…

    Atlas AD → Federal Register ↗

  • 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…

    Atlas AD → Federal Register ↗

  • 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…

    Atlas AD → Federal Register ↗

  • 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…

    Atlas AD → Federal Register ↗

  • 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…

    Atlas AD → Federal Register ↗

  • Sep 5, 1996

    Airworthiness Directives; Bell Helicopter Textron, Inc. Manufactured Restricted Category Model HH-1K, TH-1F, TH-1L, UH-1A, UH- 1B, UH-1E, UH-1F, UH-1H, UH-1L, and UH-1P Helicopters

    This document proposes the adoption of a new airworthiness directive (AD) that is applicable to Bell Helicopter Textron, Inc. (BHTI)--manufactured restricted category Model HH-1K, TH-1F, TH-1L, UH- 1A, UH-1B, UH-1E, UH-1F, UH-1H, UH-1L, and UH-1P helicopters. This proposal would require a one-time inspection of the ta…

    Atlas AD → Federal Register ↗

04 /  Type Certificate Data Sheets

FAA TCDS for WILLIAMS HELICOPTER CORP UH-1H

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

  • H7SO Historical Rev 8 · 11/07/2007

    Overseas Aircraft Support Inc

    Models: TH-1L, UH-1E, UH-1B, UH-1H + 1 more

    Atlas TCDS → DRS ↗

05 /  Special Airworthiness Information Bulletins

Advisories applicable to WILLIAMS HELICOPTER CORP UH-1H

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

06 /  Supplemental Type Certificates

Modifications approved for WILLIAMS HELICOPTER CORP UH-1H

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

  • 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.

    Atlas STC → DRS ↗

  • 12/14/2009

    STC SR01470SE

    Fabrication and Installation of Boundary Layer Research (BLR) Fast Fin System.

    BLR Aerospace LLC.

    Atlas STC → DRS ↗

  • 11/23/2009

    STC SR01470SE

    Fabrication and Installation of Boundary Layer Research (BLR) Fast Fin System.

    BLR Aerospace LLC.

    Atlas STC → DRS ↗

  • 11/23/2009

    STC SR00929SE

    Fabrication of Boundary Layer Research (BLR) tail boom mounted strakes.

    BLR Aerospace LLC.

    Atlas STC → 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.

    Atlas STC → 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.

    Atlas STC → DRS ↗

  • 09/18/2009

    STC SR09257RC

    Fabrication, modification, and installation of a new vertical fin spar.

    Global Helicopter Technology Inc.

    Atlas STC → 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

    Atlas STC → DRS ↗

  • 05/16/2007

    STC SR00929SE

    Fabrication of Boundary Layer Research (BLR) tail boom mounted strakes.

    Boundary Layer Research Inc

    Atlas STC → DRS ↗

  • 11/01/2005

    STC SR01470SE

    Fabrication and Installation of Boundary Layer Research (BLR) Fast Fin System.

    Boundary Layer Research Inc

    Atlas STC → DRS ↗

  • 04/11/2005

    STC SR01395NY

    Installation of adjustable engine mount.

    Dart Aerospace Limited

    Atlas STC → DRS ↗

  • 10/08/2004

    STC SR01470SE

    Fabrication of Boundary Layer Research (BLR) Fast Fin System in accordance with BLR Master Drawing List No. 205-MDL-000, Revision B, dated June 21, 2004 or later Federal Aviation A…

    Boundary Layer Research Inc

    Atlas STC → DRS ↗

  • 05/14/2004

    STC SR00103SE

    Installation of Aviation Development Corporation oil filter together with an optional chip detector.

    Aviation Development Corporation

    Atlas STC → DRS ↗

  • 05/07/2004

    STC SR01395NY

    Installation of adjustable engine mount.

    Northern Aero Industries

    Atlas STC → DRS ↗

  • 02/18/2004

    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.

    Atlas STC → DRS ↗

  • 01/27/2004

    STC SR09257RC

    Fabrication, modification, and installation of a new vertical fin spar.

    Global Helicopter Technology Inc.

    Atlas STC → DRS ↗

  • 07/02/2002

    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.

    Atlas STC → DRS ↗

  • 04/20/2001

    STC SR09257RC

    Fabrication, modification, and installation of a new vertical fin spar.

    Global Helicopter Technology Inc.

    Atlas STC → DRS ↗

07 /  PMA replacement parts

FAA-approved replacement parts for WILLIAMS HELICOPTER CORP UH-1H

60+ 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.

  • TAI-4040-623-111#https://drs.faa.gov/browse/excelExternalWindow/1484D600824349B6862583E1005D5C36.0001##

    Bearing, Ball

    Extex Engineered Products Inc replaces 204-040-623-111

    PMA holder →

  • 42593VA#https://drs.faa.gov/browse/excelExternalWindow/08588DCFF21BA6258625835C0053FC92.0001##

    Spring

    Vision Air Services, LLC replaces 42593

    PMA holder →

  • 42581VA#https://drs.faa.gov/browse/excelExternalWindow/D0CDD66237F426A4862581BC0068BDED.0001##

    Cap

    Vision Air Services, LLC replaces 425816

    PMA holder →

  • 42610VA#https://drs.faa.gov/browse/excelExternalWindow/B246D23A5B3CD958862581BC0068BDEF.0001##

    Seat & Poppet Assembly

    Vision Air Services, LLC replaces 42610

    PMA holder →

  • 42558VA#https://drs.faa.gov/browse/excelExternalWindow/8320830FB462614C862581BC0068BDE4.0001##

    Slide & Sleeve Assembly

    Vision Air Services, LLC replaces 42558

    PMA holder →

  • 41001945VA#https://drs.faa.gov/browse/excelExternalWindow/0CADB138E577D83A86258088006271B3.0001##

    Washer, Flat

    Vision Air Services, LLC replaces 41001945

    PMA holder →

  • 41001935VA#https://drs.faa.gov/browse/excelExternalWindow/6752458675D4E22386258088006271AB.0001##

    Retainer

    Vision Air Services, LLC replaces 41001935

    PMA holder →

  • 42567VA#https://drs.faa.gov/browse/excelExternalWindow/02D1537005CD9BE286258088006271A8.0001##

    Stop

    Vision Air Services, LLC replaces 42567

    PMA holder →

  • 41001938VA#https://drs.faa.gov/browse/excelExternalWindow/20EDFBD57FF488F186258088006271B1.0001##

    Retainer

    Vision Air Services, LLC replaces 41001938

    PMA holder →

  • 41001936VA#https://drs.faa.gov/browse/excelExternalWindow/3AEE2861B0CDDC0386258088006271AE.0001##

    Washer

    Vision Air Services, LLC replaces 41001936

    PMA holder →

  • 41001949VA#https://drs.faa.gov/browse/excelExternalWindow/958600510B5F09E486258088006271B6.0001##

    Spacer

    Vision Air Services, LLC replaces 41001949

    PMA holder →

  • 41001954VA#https://drs.faa.gov/browse/excelExternalWindow/0224800C68B34C2486258088006271B7.0001##

    Spacer, Sleeve

    Vision Air Services, LLC replaces 41001954

    PMA holder →

  • 41001937VA#https://drs.faa.gov/browse/excelExternalWindow/DB494AC57C680A4186258088006271AF.0001##

    Washer

    Vision Air Services, LLC replaces 41001937

    PMA holder →

  • 41001956VA#https://drs.faa.gov/browse/excelExternalWindow/288B59A8EC7656B58625804C006EB1FF.0001##

    Screw, Shoulder

    Vision Air Services, LLC replaces 41001956

    PMA holder →

  • 41004868VA#https://drs.faa.gov/browse/excelExternalWindow/CCC38F52E86C3FC88625804C006EB202.0001##

    Cap, Cylinder

    Vision Air Services, LLC replaces 41004868

    PMA holder →

  • 41001948VA#https://drs.faa.gov/browse/excelExternalWindow/5B12CC3A9582DAEA8625804C006EB1FA.0001##

    Housing, Crank

    Vision Air Services, LLC replaces 41001948

    PMA holder →

  • 41004869VA#https://drs.faa.gov/browse/excelExternalWindow/97B48FDD6E6A14808625804C006EB204.0001##

    Gland, Inner

    Vision Air Services, LLC replaces 41004869

    PMA holder →

  • 41001955VA#https://drs.faa.gov/browse/excelExternalWindow/4831B11CBF1EF09A8625804C006EB1FD.0001##

    Lever, Input

    Vision Air Services, LLC replaces 41001955

    PMA holder →

  • 41007206VA#https://drs.faa.gov/browse/excelExternalWindow/6D7ECD353E12195886257DAC004F83BD.0001##

    STRAP

    Vision Air Services, LLC replaces 41007206

    PMA holder →

  • 41007204VA#https://drs.faa.gov/browse/excelExternalWindow/F708B81A221AF1A186257DAC004F83B5.0001##

    PLATE, IDENTIFICATION

    Vision Air Services, LLC replaces 41007204

    PMA holder →

  • 41004875VA#https://drs.faa.gov/browse/excelExternalWindow/54BFAB11678A868C86257C920076666C.0001##

    Retainer

    Vision Air Services, LLC replaces 41004875

    PMA holder →

  • 41004874VA#https://drs.faa.gov/browse/excelExternalWindow/6D0518985ED86C6D86257C9200766629.0001##

    Cylinder Assembly

    Vision Air Services, LLC replaces 41004874

    PMA holder →

  • 41004871VA#https://drs.faa.gov/browse/excelExternalWindow/D59E90F9289DC5BC86257C92007665E3.0001##

    Gland, Outer

    Vision Air Services, LLC replaces 41004871

    PMA holder →

  • 205-D-1003-3#https://drs.faa.gov/browse/excelExternalWindow/7D07FECD15D547E586257D9A004EB4FB.0001##

    Aft Spar Carbon Stiffener, FastFin, BELL Medium

    BLR Aerospace LLC replaces Modification Part

    PMA holder →

  • 205-D-1001-11#https://drs.faa.gov/browse/excelExternalWindow/1177CF5636FE451986257C27005675AB.0001##

    Mounting Adapter Aft Posn Light, Fast Fin, Bell 205/212/412

    BLR Aerospace LLC replaces Modification Part

    PMA holder →

  • 205-D-1001-13#https://drs.faa.gov/browse/excelExternalWindow/AA0242B85874D0EB86257C27005675AC.0001##

    Lamp Mount Base, NVG

    BLR Aerospace LLC replaces Modification Part

    PMA holder →

  • 9002#https://drs.faa.gov/browse/excelExternalWindow/26EED7C153FD215A86257B87006CD60F.0001##

    High Cross Tube

    Isolair Inc replaces Modification Parts

    PMA holder →

  • 9002#https://drs.faa.gov/browse/excelExternalWindow/1B1BD33B82C4DBB786257B87006CD61D.0001##

    High Cross Tube

    Isolair Inc replaces Modification Parts

    PMA holder →

  • 9002#https://drs.faa.gov/browse/excelExternalWindow/54AF54F7147DED82862579E40046B389.0001##

    High Cross Tube

    Isolair Inc replaces Modification Parts

    PMA holder →

  • BH200101-4#https://drs.faa.gov/browse/excelExternalWindow/B90ACC8139DC12BB86257AE90067D293.0001##

    Strake Tail Boom

    BLR Aerospace LLC replaces Modification Part

    PMA holder →

  • BH200101-2#https://drs.faa.gov/browse/excelExternalWindow/67A8C52D80125C7C86257AE90067D1DC.0001##

    Strake Tail Boom

    BLR Aerospace LLC replaces Modification Part

    PMA holder →

  • BH200101-3#https://drs.faa.gov/browse/excelExternalWindow/3697A8E9D62EEAD786257AE90067D235.0001##

    Strake Tail Boom

    BLR Aerospace LLC replaces Modification Part

    PMA holder →

  • BH200101-8#https://drs.faa.gov/browse/excelExternalWindow/155E86A320EA4E2986257AE90067D407.0001##

    Strake Tail Boom

    BLR Aerospace LLC replaces Modification Part

    PMA holder →

  • BH200101-5#https://drs.faa.gov/browse/excelExternalWindow/D8B96C1D8F9D867086257AE90067D2EC.0001##

    Strake Tail Boom

    BLR Aerospace LLC replaces Modification Part

    PMA holder →

  • BH200101-6#https://drs.faa.gov/browse/excelExternalWindow/A43A1C403E82B40886257AE90067D347.0001##

    Strake Tail Boom

    BLR Aerospace LLC replaces Modification Part

    PMA holder →

  • BH200101-7#https://drs.faa.gov/browse/excelExternalWindow/ADC83417DF53FAFF86257AE90067D3AB.0001##

    Strake Tail Boom

    BLR Aerospace LLC replaces Modification Part

    PMA holder →

  • BH200101-1#https://drs.faa.gov/browse/excelExternalWindow/692DB56F766ECBB786257AE90067D16F.0001##

    Strake Tail Boom

    BLR Aerospace LLC replaces Modification Part

    PMA holder →

  • 205-D-1001-3#https://drs.faa.gov/browse/excelExternalWindow/4DD25A2DFC8DE28686257AE90067DE00.0001##

    Tail Fairing Upper

    BLR Aerospace LLC replaces Modification Part

    PMA holder →

  • 205-D-1002-2#https://drs.faa.gov/browse/excelExternalWindow/2AC5D4EC7481F49C86257AE90067E01B.0001##

    Stiffener (RHS)

    BLR Aerospace LLC replaces Modification Part

    PMA holder →

  • 205-D-1001-9#https://drs.faa.gov/browse/excelExternalWindow/E66A93A1B7E7115386257AE90067DF05.0001##

    Tail Fairing Light Plug

    BLR Aerospace LLC replaces Modification Part

    PMA holder →

+ 20 more PMA parts on file

04 /  Regulations watching this type

Advisory Circulars and Federal Register activity for WILLIAMS HELICOPTER CORP UH-1H

05 /  Aircraft of this type

All 6 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.

6 of 6
N-number St Year NTSB FAA
N247PV CA 1965 ● Look up ↗
N40729 DE — · Look up ↗
N458CC OR 1967 ● Look up ↗
N710WD CA — ● Look up ↗
N902HE ME — · Look up ↗
N918TG AZ — · Look up ↗

Source — FAA Aircraft Registry · click "Look up" to query the live registry record (owner, address, last airworthiness)

05 /  Sources & Methodology

Every count traces back to a primary US-government source

We render counts and lists as the agency publishes them. Read the methodology →