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NORTHWEST ROTORCRAFT LLC UH-1H

6 registered · 1966–1970 · 0 NTSB events · 17 ADs

About this data

Rotorcraft · LYCOMING T-53 SERIES · as of Sep 21, 2026

Resources Engine · Lycoming Engines ↗ Search FAA TCDS ↗

Distribution · currently registered

By state (top 10)

  • MT 33.3% 2
  • CA 16.7% 1
  • AZ 16.7% 1
  • UT 16.7% 1
  • OR 16.7% 1

By decade of manufacture

  • 1960s 66.7% 4
  • 1970s 33.3% 2

NTSB records

No NTSB-recorded events match NORTHWEST ROTORCRAFT LLC UH-1H in the indexed corpus.

Research papers

All research papers

Airworthiness directives

17 directive(s) on file. Showing the most recent 17.

  • Sep 26, 2024

    Airworthiness Directives; Bell Textron Inc. and Various Restricted Category Helicopters

    The FAA is adopting a new airworthiness directive (AD) for Bell Textron Inc. Model 204B, 205A, 205A-1, 205B, 210, and 212 helicopters and various restricted category helicopters with certain part-numbered tension torsion (TT) straps installed by supplemental type certificate (STC) No. SR03408CH. This AD was prompted b…

    Atlas AD Federal Register ↗
  • Nov 21, 2022

    Airworthiness Directives; Bell Textron Inc., Helicopters and Various Restricted Category Helicopters

    The FAA is adopting a new airworthiness directive (AD) for Bell Textron Inc., Model 204B, 205A, 205A-1, 205B, 210, 212, 412, 412CF, and 412EP helicopters and various restricted category helicopters. This AD was prompted by reports of cracks found on the main transmission support case. This AD requires repetitive inspe…

    Atlas AD Federal Register ↗
  • Nov 7, 2022

    Airworthiness Directives; Bell Textron Inc., Erickson 214 Holdings, LLC, Leonardo S.p.a., and Various Restricted Category Helicopters

    The FAA is adopting a new airworthiness directive (AD) for certain Bell Textron Inc., Model 204B, 205A, 205A-1, 205B, 210, 212, 412, 412CF, and 412EP helicopters; certain Erickson 214 Holdings, LLC, Model 214B and 214B-1 helicopters; certain Leonardo S.p.a. Model AB412 and AB412 EP helicopters; and certain various res…

    Atlas AD Federal Register ↗
  • Oct 12, 2022

    Airworthiness Directives; Bell Textron Inc. Helicopters and Various Restricted Category Helicopters

    The FAA is adopting a new airworthiness directive (AD) for certain Bell Textron Inc. Model 204B, 205A, and 205A-1 helicopters and various restricted category helicopters. This AD was prompted by a report of cracked main rotor blades (MRBs). This AD requires repetitive inspections of each MRB and removing any cracked M…

    Atlas AD Federal Register ↗
  • Jun 29, 2022

    Airworthiness Directives; Bell Textron Inc. Helicopters and Various Restricted Category Helicopters

    The FAA proposes to adopt a new airworthiness directive (AD) for certain Bell Textron Inc. Model 204B, 205A, and 205A-1 helicopters and various restricted category helicopters. This proposed AD was prompted by a report of cracked main rotor blades (MRBs). This proposed AD would require repetitive inspections of each M…

    Atlas AD Federal Register ↗
  • Apr 14, 2022

    Airworthiness Directives; Bell Textron Inc., Helicopters and Various Restricted Category Helicopters

    The FAA proposes to adopt a new airworthiness directive (AD) for Bell Textron Inc., Model 204B, 205A, 205A-1, 205B, 210, 212, 412, 412CF, and 412EP helicopters and various restricted category helicopters. This proposed AD was prompted by reports of cracks found on the main transmission support case. This proposed AD w…

    Atlas AD Federal Register ↗
  • Mar 14, 2022

    Airworthiness Directives; Various Restricted Category Helicopters

    The FAA is superseding Airworthiness Directive (AD) 2021-15-52 which applied to various restricted category helicopters originally manufactured by Bell Textron Inc. with a certain main rotor hub strap pin (pin) installed. AD 2021-15-52 required removing certain outboard pins from service and prohibited installing them…

    Atlas AD Federal Register ↗
  • Jan 21, 2022

    Airworthiness Directives; Various Restricted Category Helicopters

    The FAA is adopting a new airworthiness directive (AD) for certain type certificated Model UH-1H restricted category helicopters. This AD was prompted by multiple reports of failure of the main driveshaft. This AD requires establishing a limit to replace certain main driveshafts, and a one-time and repetitive inspecti…

    Atlas AD Federal Register ↗
  • Jul 29, 2021

    Airworthiness Directives; Various Restricted Category Helicopters

    The FAA is adopting a new airworthiness directive (AD) for various restricted category helicopters originally manufactured by Bell Textron Inc. This AD was prompted by a fatal accident in which an outboard main rotor hub strap pin (pin) sheared off during flight, resulting in the main rotor blade and the main rotor he…

    Atlas AD Federal Register ↗
  • Jul 26, 2021

    Airworthiness Directives; Various Restricted Category Helicopters

    The FAA is adopting a new airworthiness directive (AD) for various restricted category helicopters, originally manufactured by Bell Textron Inc. (Bell). This AD was prompted by multiple events involving failure of the tail boom attach structure including the bolts. This AD requires revising the existing Rotorcraft Fli…

    Atlas AD Federal Register ↗
  • Mar 26, 2021

    Airworthiness Directives; Various Restricted Category Helicopters

    The FAA proposes to adopt a new airworthiness directive (AD) for type certificated Model UH-1H restricted category helicopters. This proposed AD was prompted by multiple reports of failure of the main driveshaft. This proposed AD would require establishing a life limit for certain main driveshafts, and a one-time and…

    Atlas AD Federal Register ↗
  • 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…

    Atlas AD Federal Register ↗
  • Jan 17, 2018

    Airworthiness Directives; Various Restricted Category Helicopters

    We are adopting a new airworthiness directive (AD) for Model TH-1F, UH-1B, UH-1F, UH-1H, and UH-1P helicopters with a Helicopter Technology Company (HTC) main rotor (M/R) blade installed. This AD requires cleaning and visually inspecting the M/R blades and, depending on the outcome of the inspection, repairing or repl…

    Atlas AD Federal Register ↗
  • Feb 19, 2014

    Airworthiness Directives; Various Restricted Category Helicopters

    We are adopting a new airworthiness directive (AD) for various restricted category helicopters, originally manufactured by Bell Helicopter Textron, Inc. (Bell), model numbers HH-1K, TH-1F, TH-1L, UH- 1A, UH-1B, UH-1E, UH-1F, UH-1H, UH-1L, and UH-1P. This AD requires inspecting the tail rotor (T/R) cable assembly for a…

    Atlas AD Federal Register ↗
  • Aug 20, 2013

    Airworthiness Directives; Various Restricted Category Helicopters

    We propose to adopt a new airworthiness directive (AD) for various restricted category helicopters, originally manufactured by Bell Helicopter Textron, Inc. (Bell), model numbers HH-1K, TH-1F, TH- 1L, UH-1A, UH-1B, UH-1E, UH-1F, UH-1H, UH-1L, and UH-1P. The current type certificate holders include but are not limited…

    Atlas AD Federal Register ↗
  • Jul 9, 2013

    Airworthiness Directives; Various Restricted Category Helicopters

    We are adopting a new airworthiness directive (AD) for various 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 with certain main rotor hub inboard strap fittings (fittings) installed. This AD requires a magnetic particle inspection (MPI) of the fittings f…

    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 ↗

Type certificate data sheets · 2 matches in the FAA catalog

  • H13WE Rotorcraft Development Corporation Historical Rev 10 · 09/30/2009

    Models: UH-1H, UH-1B

    Atlas TCDS DRS ↗
  • R00005SE Northwest Rotorcraft LLC Historical Rev 2 · 11/08/2006

    Models: UH-1H

    Atlas TCDS DRS ↗

SAIBs · 2 on file · advisory, not mandatory

Supplemental type certificates · 92 on file

+ 62 more STCs on file

PMA replacement parts · 60+ on file

+ 20 more PMA parts on file

Advisory circulars & Federal Register

Registered N-numbers · 6

6 of 6 ● NTSB events on file · orange tails have Atlas pages · Look up queries the live FAA registry (owner, address, last airworthiness)
N-number St Year NTSB FAA
N109MA MT 1968 · Look up ↗
N205GE MT 1969 · Look up ↗
N60901 CA 1970 · Look up ↗
N7115S AZ 1969 · Look up ↗
N7130G UT 1966 · Look up ↗
N80NH OR 1970 · Look up ↗

Source — FAA Aircraft Registry

Sources