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Type Record · As of May 3, 2026

MD HELICOPTERS INC 369HS

Rotorcraft · ROLLS-ROYC 250-C20

Registered

3

Year Range

1974–1976

NTSB Events

2

Airworthiness Directives

29

01 /  Distribution

Where the fleet lives and was built

Counts of currently-registered MD HELICOPTERS INC 369HS aircraft by US state and decade of manufacture, sourced from the FAA Aircraft Registry.

By State (top 10)

  • WA 66.7% 2
  • NV 33.3% 1

By Decade of Manufacture

  • 1970s 66.7% 2
  • Unknown 33.3% 1

02 /  NTSB Records

Events involving MD HELICOPTERS INC 369HS aircraft

2 event(s) on file. Showing the most recent 2.

03 /  Airworthiness Directives

FAA directives applicable to MD HELICOPTERS INC 369HS

29 directive(s) on file. Showing the most recent 25 · 4 more in the Federal Register.

  • Nov 18, 2025

    Airworthiness Directives; MD Helicopters, LLC Helicopters

    The FAA proposes to supersede Airworthiness Directive (AD) 2024-23-06, which applies to certain MD Helicopters, LLC (MDHI) Model 369, 369A, 369D, 369E, 369F, 369FF, 369H, 369HE, 369HM, 369HS, 500N, and 600N helicopters. AD 2024-23-06 requires repetitively inspecting the torque tube assembly and roller bearings, and de…

    Atlas AD → Federal Register ↗

  • Sep 5, 2025

    Airworthiness Directives; MD Helicopters, LLC

    The FAA is adopting a new airworthiness directive (AD) for certain MD Helicopters, LLC, Model 369 (Army YOH-6A), 369A (Army OH- 6A), 369D, 369E, 369F, 369FF, 369H, 369HE, 369HM, 369HS, 500N, and 600N helicopters. This AD was prompted by multiple reports of cracked tail rotor (T/R) pedal support brackets. This AD requi…

    Atlas AD → Federal Register ↗

  • Nov 19, 2024

    Airworthiness Directives; MD Helicopters, LLC, Helicopters

    The FAA is adopting a new airworthiness directive (AD) for certain MD Helicopters, LLC (MDHI), Model 369, 369A, 369D, 369E, 369F, 369FF, 369H, 369HE, 369HM, 369HS, 500N, and 600N helicopters. This AD was prompted by a report of a seized and damaged roller bearing in the pilot interconnecting cyclic torque tube (torque…

    Atlas AD → Federal Register ↗

  • Oct 31, 2024

    Airworthiness Directives; Various Helicopters

    The FAA is adopting a new airworthiness directive (AD) for various helicopters modified by certain supplemental type certificates (STCs) that approve the installation of an emergency float kit or an emergency float with a liferaft kit. This AD was prompted by the results of an accident investigation and subsequent rep…

    Atlas AD → Federal Register ↗

  • Aug 28, 2024

    Airworthiness Directives; MD Helicopters, LLC, Helicopters

    The FAA proposes to adopt a new airworthiness directive (AD) for certain MD Helicopters, LLC, Model 369 (Army YOH-6A), 369A (Army OH-6A), 369D, 369E, 369F, 369FF, 369H, 369HE, 369HM, 369HS, 500N, and 600N helicopters. This proposed AD was prompted by multiple reports of cracked tail rotor (T/R) pedal support brackets.…

    Atlas AD → Federal Register ↗

  • Aug 8, 2024

    Airworthiness Directives; MD Helicopters, LLC, Helicopters

    The FAA proposes to adopt a new airworthiness directive (AD) for certain MD Helicopters, LLC (MDHI), Model 369, 369A, 369D, 369E, 369F, 369FF, 369H, 369HE, 369HM, 369HS, 500N, and 600N helicopters. This proposed AD was prompted by a report of a seized and damaged roller bearing in the pilot interconnecting cyclic torq…

    Atlas AD → Federal Register ↗

  • Apr 25, 2024

    Airworthiness Directives; Various Helicopters

    The FAA proposes to adopt a new airworthiness directive (AD) for various helicopters modified by certain supplemental type certificates (STCs) that approve the installation of an emergency float kit or an emergency float with liferaft kit. This proposed AD was prompted by the results of an accident investigation and s…

    Atlas AD → Federal Register ↗

  • Dec 6, 2021

    Airworthiness Directives; MD Helicopters Inc. (MDHI) Helicopters

    The FAA is adopting a new airworthiness directive (AD) for certain MD Helicopters Inc. (MDHI), Model 369D, 369E, 369F, 369FF, 369H, 369HE, 369HM, 369HS, 500N, and 600N helicopters. This AD was prompted by a report of a spiral crack in the pilot-to-copilot tail rotor torque tube (torque tube). This AD requires a one-ti…

    Atlas AD → Federal Register ↗

  • Aug 13, 2021

    Airworthiness Directives; MD Helicopters Inc. (MDHI) Helicopters

    The FAA proposes to adopt a new airworthiness directive (AD) for MD Helicopters Inc. (MDHI), Model 369D, 369E, 369F, 369FF, 369H, 369HE, 369HM, 369HS, 500N, and 600N helicopters. This proposed AD was prompted by a report of a spiral crack in the pilot-to-copilot tail rotor torque tube (torque tube). This proposed AD w…

    Atlas AD → Federal Register ↗

  • Sep 23, 2020

    Airworthiness Directives; MD Helicopters Inc. (MDHI), Helicopters

    The FAA is adopting a new airworthiness directive (AD) for certain MD Helicopters Inc. (MDHI) Model 369A, 369D, 369E, 369FF, 369H, 369HE, 369HM, 369HS, 500N, and 600N helicopters. This AD was prompted by reports of abrasion strips departing the main rotor (MR) blade in- flight. This AD requires tap inspecting each MR…

    Atlas AD → Federal Register ↗

  • May 26, 2020

    Airworthiness Directives; MD Helicopter Inc., Helicopters

    The FAA is adopting a new airworthiness directive (AD) for MD Helicopters Inc., (MDHI) Model 369D, 369E, 369FF, 369H, 369HE, 369HM, 369HS, 500N, and 600N helicopters. This AD was prompted by a report of non-conforming main rotor (M/R) hub lead-lag bolts (bolts). This AD requires removing certain bolts from service. Th…

    Atlas AD → Federal Register ↗

  • May 14, 2020

    Airworthiness Directives; MD Helicopters Inc. (MDHI), Helicopters

    The FAA proposes to adopt a new airworthiness directive (AD) for certain MD Helicopters Inc. (MDHI), Model 369A, 369D, 369E, 369FF, 369H, 369HE, 369HM, 369HS, 500N, and 600N helicopters. This proposed AD would require tap inspecting each main rotor (MR) blade leading edge abrasion strip and is prompted by reports of a…

    Atlas AD → Federal Register ↗

  • Feb 7, 2020

    Airworthiness Directives; MD Helicopters Inc., Helicopters

    The FAA proposes to adopt a new airworthiness directive (AD) for MD Helicopters Inc., (MDHI) Model 369D, 369E, 369FF, 369H, 369HE, 369HM, 369HS, 500N, and 600N helicopters. This proposed AD was prompted by a report of non-conforming main rotor (M/R) hub lead-lag bolts (bolts). This proposed AD would require removing c…

    Atlas AD → Federal Register ↗

  • Mar 13, 2019

    Airworthiness Directives; MD Helicopters, Inc. (MDHI), Helicopters

    We are adopting a new airworthiness directive (AD) for MDHI Model 369A, 369D, 369E, 369FF, 369H, 369HE, 369HM, 369HS, 500N, and 600N helicopters. This AD requires inspecting each main rotor blade (MRB) for a crack. This AD was prompted by reports of cracked MRBs. The actions of this AD are intended to address an unsaf…

    Atlas AD → Federal Register ↗

  • Nov 26, 2018

    Airworthiness Directives; MD Helicopters Inc. (MDHI) Helicopters

    We propose to adopt a new airworthiness directive (AD) for MDHI Model 369A, 369D, 369E, 369FF, 369H, 369HE, 369HM, 369HS, 500N, and 600N helicopters. This proposed AD would require inspecting each main rotor blade (MRB) for a crack. This proposed AD is prompted by reports of cracked MRBs. The actions of this proposed…

    Atlas AD → Federal Register ↗

  • Mar 11, 2016

    Airworthiness Directives; MD Helicopters, Inc. (MDHI) Helicopters

    We are adopting a new airworthiness directive (AD) for certain MDHI Model 369A (Army OH-6A), 369H, 369HE, 369HM, 369HS, 369D, 369E, 369F, 369FF, and 500N helicopters. This AD requires inspecting the auxiliary fuel pump (fuel pump) wire routing in the left-hand fuel cell and corrective action, if necessary. This AD als…

    Atlas AD → Federal Register ↗

  • Feb 25, 2016

    Airworthiness Directives; MD Helicopters Inc., Helicopters

    We are adopting a new airworthiness directive (AD) for MD Helicopters, Inc. (MDHI), Model 369A, 369D, 369E, 369FF, 369HE, 369HM, 369HS, 500N, and 600N helicopters with a certain part-numbered main rotor blade attach pin (pin) installed. This AD requires ensuring the life limit of the pin as listed in the Airworthiness…

    Atlas AD → Federal Register ↗

  • Sep 2, 2015

    Airworthiness Directives; MD Helicopters Inc. (MDHI) Helicopters

    We propose to adopt a new airworthiness directive (AD) for certain MDHI Model 369A (Army OH-6A), 369H, 369HE, 369HM, 369HS, 369D, 369E, 369F, 369FF, and 500N helicopters. This proposed AD would require inspecting the auxiliary fuel pump (fuel pump) wire routing in the left-hand fuel cell and corrective action, if nece…

    Atlas AD → Federal Register ↗

  • Sep 2, 2015

    Airworthiness Directives; MD Helicopters Inc., Helicopters

    We propose to adopt a new airworthiness directive (AD) for MD Helicopters Inc. (MDHI) Model 369A, 369D, 369E, 369FF, 369HE, 369HM, 369HS, 500N, and 600N helicopters with a certain part-numbered main rotor blade attach pin (pin) installed. This proposed AD would require ensuring the life limit of the pin as listed in t…

    Atlas AD → Federal Register ↗

  • Oct 31, 2013

    Airworthiness Directives; MD Helicopters, Inc., Helicopters

    We are superseding Airworthiness Directive (AD) 2003-08-51 for MD Helicopters, Inc. (MDHI), Model 369A, 369D, 369E, 369H, 369HE, 369HM, 369HS, 369F and 369FF helicopters with certain MDHI or Helicopter Technology Company (HTC) tail rotor blades installed. AD 2003-08-51 required reducing the retirement life of each tai…

    Atlas AD → Federal Register ↗

  • May 13, 2013

    Airworthiness Directives; MD Helicopters Inc. Helicopters

    We propose to supersede an existing airworthiness directive (AD) for MD Helicopters Inc. (MDHI) Model 369A, 369D, 369E, 369H, 369HE, 369HM, 369HS, 369F and 369FF helicopters with certain MDHI or Helicopter Technology Company (HTC) tail rotor blades installed. The existing AD currently requires reducing the retirement…

    Atlas AD → Federal Register ↗

  • Jul 30, 2008

    Airworthiness Directives; MD Helicopters, Inc. Model 369A, OH-6A, 369D, 369E, 369F, 369FF, 369H, 369HE, 369HM, and 369HS Helicopters

    This amendment adopts a new airworthiness directive (AD) for MD Helicopters, Inc. (MDHI) Model 369A, OH-6A, 369D, 369E, 369F, 369FF, 369H, 369HE, 369HM, and 369HS helicopters that requires repetitive tap inspections of each tail rotor (T/R) blade abrasion strip. This amendment is prompted by an incident in which an ab…

    Atlas AD → Federal Register ↗

  • Mar 13, 2008

    Airworthiness Directives; MD Helicopters, Inc. Model 369A, OH-6A, 369D, 369E, 369F, 369FF, 369H, 369HE, 369HM, and 369HS Helicopters

    This document proposes adopting a new airworthiness directive (AD) for MD Helicopters, Inc. (MDHI) Model 369A, OH-6A, 369D, 369E, 369F, 369FF, 369H, 369HE, 369HM, and 369HS helicopters. The proposed AD would require repetitive tap inspections of each tail rotor (T/R) blade abrasion strip. This proposal is prompted by…

    Atlas AD → Federal Register ↗

  • Jun 19, 2007

    Airworthiness Directives; MD Helicopters, Inc., Model 369, YOH-6A, 369A, OH-6A, 369H, 369HM, 369HS, 369HE, 369D, 369E, 369F, and 369FF Helicopters

    This document publishes in the Federal Register an amendment adopting Airworthiness Directive (AD) 2007-09-51, sent previously to all known U.S. owners and operators of the specified MD Helicopters, Inc. (MDHI), model helicopters by individual letters. This AD requires, before further flight, removing each affected ta…

    Atlas AD → Federal Register ↗

  • Jun 14, 2007

    Airworthiness Directives; MD Helicopters, Inc. Model 369A, 369D, 369E, 369F, 369FF, 369H, 369HE, 369HS, 369HM, 500N, and OH-6A Helicopters

    This amendment adopts a new airworthiness directive (AD) for MD Helicopters, Inc. (MDHI) Model 369A, 369D, 369E, 369F, 369FF, 369H, 369HE, 369HS, 369HM, 500N, and OH-6A helicopters that requires inspecting each landing gear fairing support assembly (support assembly), replacing or reworking certain forward and aft lan…

    Atlas AD → Federal Register ↗

07 /  PMA replacement parts

FAA-approved replacement parts for MD HELICOPTERS INC 369HS

2 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.

  • E369A7013#https://drs.faa.gov/browse/excelExternalWindow/E5238448DAAE9119862581BC00551F72.0001##

    Bearing, Swashplate, Uniball

    Extex Engineered Products Inc replaces 369A7013

    PMA holder →

  • E369A1011#https://drs.faa.gov/browse/excelExternalWindow/82A99FDF1C04A25F862581AE007521AA.0001##

    Bearing, Rod End

    Extex Engineered Products Inc replaces 369A1011

    PMA holder →

04 /  Regulations watching this type

Advisory Circulars and Federal Register activity for MD HELICOPTERS INC 369HS

05 /  Aircraft of this type

All 3 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.

3 of 3
N-number St Year NTSB FAA
N119T WA 1976 ● Look up ↗
N369DF WA — · Look up ↗
N509CG NV 1974 ● 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 →