Type Record · As of May 3, 2026
MD HELICOPTERS LLC 369FF
Rotorcraft
Registered
95
Year Range
1988–2026
NTSB Events
32
Airworthiness Directives
37
01 / Distribution
Where the fleet lives and was built
Counts of currently-registered MD HELICOPTERS LLC 369FF aircraft by US state and decade of manufacture, sourced from the FAA Aircraft Registry.
By State (top 10)
- AZ 26.3% 25
- UT 11.6% 11
- CA 10.5% 10
- OR 9.5% 9
- DE 8.4% 8
- GA 6.3% 6
- AL 4.2% 4
- OH 4.2% 4
- TX 3.2% 3
- ID 3.2% 3
+7 more states
By Decade of Manufacture
- 1980s 3.2% 3
- 1990s 3.2% 3
- 2000s 26.3% 25
- 2010s 16.8% 16
- 2020s 23.2% 22
- Unknown 27.4% 26
02 / NTSB Records
Events involving MD HELICOPTERS LLC 369FF aircraft
32 event(s) on file. Showing the most recent 25 · 7 more available on NTSB CAROL.
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Mar 9, 2026
N530XXMojave, California Fatal
NTSB Docket → -
Jan 2, 2026
N3502PSuperior, Arizona Fatal
NTSB Docket → -
Feb 16, 2025
N6100NCookville, Missouri
NTSB Docket → -
Jul 9, 2024
N540HHMesa, Arizona
NTSB Docket → -
Apr 9, 2024
N5841ZCeiba, Puerto Rico
NTSB Docket → -
Nov 6, 2023
N369FFMesa, Arizona
NTSB Docket → -
Aug 29, 2022
N1576FPearland, Texas
NTSB Docket → -
Jul 24, 2015
N5842ZVega Baja, Puerto Rico
NTSB Docket → -
Aug 16, 2012
N551CPColumbus, Ohio
NTSB Docket → -
Jan 20, 2009
N369PDAtlanta, Georgia
NTSB Docket → -
Jul 27, 2008
N3501LKing Salmon, Alaska
NTSB Docket → -
Oct 29, 2007
N556CPColumbus, Ohio
NTSB Docket → -
Apr 13, 1998
N551CPCOLUMBUS, Ohio
NTSB Docket → -
Jan 24, 1998
N1006TSANTA MARIA Fatal
NTSB Docket → -
May 14, 1992
N1006TMOORELAND, Oklahoma
NTSB Docket → -
Oct 18, 1990
N1002XSTOCKTON, Missouri
NTSB Docket → -
Jul 4, 1990
N35017DANIELSON, Connecticut
NTSB Docket → -
Dec 26, 1988
N6100NJEFFERSONVILLE, Indiana Fatal
NTSB Docket → -
Sep 7, 1981
N1004RMELBOURNE, Florida Minor
NTSB Docket → -
Aug 7, 1980
N60556BRYSON CITY, North Carolina Minor
NTSB Docket → -
Feb 16, 1976
N3501ZLEBANON, Indiana Fatal
NTSB Docket → -
Jun 30, 1975
N3501LPOPLAR BLUFF, Missouri Serious
NTSB Docket → -
Mar 12, 1972
N60556CHAMBLEE, Georgia Minor
NTSB Docket → -
May 31, 1971
N19FFPARK RAPIDS, Minnesota Serious
NTSB Docket → -
Oct 3, 1970
N530MANISTEE, Michigan
NTSB Docket →
03 / Airworthiness Directives
FAA directives applicable to MD HELICOPTERS LLC 369FF
37 directive(s) on file. Showing the most recent 25 · 12 more in the Federal Register.
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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…
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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…
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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…
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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…
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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.…
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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…
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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…
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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…
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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…
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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…
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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…
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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…
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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…
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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…
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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…
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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…
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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…
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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…
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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…
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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…
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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…
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Mar 26, 2013
Airworthiness Directives; Hughes Helicopters, Inc., and McDonnell Douglas Helicopter Systems (Type Certificate Is Currently Held by MD Helicopters, Inc.) Helicopters
We are adopting a new airworthiness directive (AD) for MD Helicopters, Inc. (MDHI) Model 369D, 369E, 369F, and 369FF helicopters with certain serial-numbered tailboom assemblies. This AD requires measuring the distance between aft longeron rivets and the outboard edge of frame rings. If the distance is too short to en…
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Aug 29, 2012
Airworthiness Directives; Hughes Helicopters, Inc., and McDonnell Douglas Helicopter Systems (Type Certificate Currently Held by MD Helicopters, Inc.) Helicopters
We propose to adopt a new airworthiness directive (AD) for MD Helicopters, Inc. (MDHI) Model 369D, 369E, 369F, and 369FF helicopters with certain serial-numbered tailboom assemblies. This proposed AD is prompted by the discovery of short-edge margin conditions on two tailboom assemblies. The proposed actions are inten…
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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…
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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…
07 / PMA replacement parts
FAA-approved replacement parts for MD HELICOPTERS LLC 369FF
5 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.
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3471-99-07#https://drs.faa.gov/browse/excelExternalWindow/D984C3D4DBDDFA9686257A29005417A8.0001##
BOM, Kit, MD 369FF
Aero Dynamix Inc replaces Modification Part
PMA holder → -
3471-99-07#https://drs.faa.gov/browse/excelExternalWindow/DD62C67BB91D949486257964005AD163.0001##
BOM, Kit, MD 369FF
Aero Dynamix Inc replaces Modification Part
PMA holder → -
1001.020.008#https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID134534746520220901214255.0001##
GPMS Foresight MX Condition Monitoring System
Benz Airborne Systems replaces Modification Part
PMA holder → -
CRAT530F01-101#https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID181011794020240426135419.0001##
Aux Tank Assembly Installation
Blackhawk Composites Inc replaces SR01106DE
PMA holder → -
PTA369D28631#https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID184857922120250219210644.0001##
Exhaust Gasket
PT Aerospace LLC replaces 369D28631
PMA holder →
04 / Regulations watching this type
Advisory Circulars and Federal Register activity for MD HELICOPTERS LLC 369FF
Advisory Circulars
No ACs explicitly mention this type. Showing universal operating-rule ACs that apply to all aircraft.
Recent Federal Register activity
Latest rulemakings touching general operating rules (Part 91) and maintenance rules (Part 43).
- 2026-04-17 Settlement Policy for Small Unmanned Aircraft System (UAS) Cases FR ↗
- 2026-02-10 Normalizing Unmanned Aircraft Systems Beyond Visual Line of Sight Operations; Reopening of Comment Period; Denial of Extension FR ↗
- 2026-02-02 25-Hour Cockpit Voice Recorder (CVR) Requirement, New Aircraft Production FR ↗
- 2026-01-28 Normalizing Unmanned Aircraft Systems Beyond Visual Line of Sight Operations; Reopening of Comment Period FR ↗
- 2026-01-07 Requirements for Interference-Tolerant Radio Altimeter Systems FR ↗
05 / Aircraft of this type
All 95 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.
| N-number | St | Year | NTSB | FAA |
|---|---|---|---|---|
| N1002X | AZ | — | ● | Look up ↗ |
| N1004R | AZ | — | ● | Look up ↗ |
| N1005G | AZ | — | · | Look up ↗ |
| N1006C | AZ | — | · | Look up ↗ |
| N1006M | AZ | — | · | Look up ↗ |
| N1006T | AZ | — | ● | Look up ↗ |
| N1008H | AZ | — | ● | Look up ↗ |
| N102CQ | GA | 1999 | · | Look up ↗ |
| N1576F | TX | 2006 | ● | Look up ↗ |
| N1605K | GA | 1988 | · | Look up ↗ |
| N175JK | CA | 2000 | · | Look up ↗ |
| N1808 | GA | 2019 | · | Look up ↗ |
| N18FF | DE | 2006 | · | Look up ↗ |
| N19FF | DE | 2010 | ● | Look up ↗ |
| N298JW | DE | 2023 | · | Look up ↗ |
| N307AP | WY | 2020 | · | Look up ↗ |
| N35002 | AZ | — | · | Look up ↗ |
| N35006 | AZ | — | · | Look up ↗ |
| N35011 | AZ | 2024 | · | Look up ↗ |
| N35017 | AZ | 2024 | ● | Look up ↗ |
| N35019 | UT | 2024 | · | Look up ↗ |
| N3501D | AZ | 2026 | · | Look up ↗ |
| N3501F | AZ | — | · | Look up ↗ |
| N3501L | AZ | — | ● | Look up ↗ |
| N3501M | AZ | 2026 | · | Look up ↗ |
| N3501N | AZ | 2024 | · | Look up ↗ |
| N3501Q | AZ | — | · | Look up ↗ |
| N3501T | AZ | — | · | Look up ↗ |
| N3501V | AZ | 2024 | · | Look up ↗ |
| N3501Z | AZ | 2024 | ● | Look up ↗ |
| N3502A | AZ | 2024 | · | Look up ↗ |
| N3502P | OR | 2023 | ● | Look up ↗ |
| N35KH | DE | 2024 | · | Look up ↗ |
| N367PD | GA | 2023 | · | Look up ↗ |
| N369FF | UT | 2009 | ● | Look up ↗ |
| N369PD | GA | 2001 | ● | Look up ↗ |
| N369TV | AL | 2017 | · | Look up ↗ |
| N36FG | CA | 2020 | · | Look up ↗ |
| N371PD | GA | 2023 | · | Look up ↗ |
| N421SP | KY | 2008 | · | Look up ↗ |
| N4RR | DE | 2013 | · | Look up ↗ |
| N500TV | AL | 2019 | · | Look up ↗ |
| N505MP | AZ | 2001 | · | Look up ↗ |
| N507MP | AZ | 2015 | · | Look up ↗ |
| N520WH | OR | 1988 | · | Look up ↗ |
| N530 | WY | 2023 | ● | Look up ↗ |
| N530AR | MT | 2009 | · | Look up ↗ |
| N530DG | DE | — | · | Look up ↗ |
| N530FC | ID | 2007 | · | Look up ↗ |
| N530FM | UT | 2015 | · | Look up ↗ |
| N530JL | NV | 2015 | · | Look up ↗ |
| N530NB | DE | 2019 | · | Look up ↗ |
| N530RP | TX | — | · | Look up ↗ |
| N530ST | AZ | 2000 | · | Look up ↗ |
| N530TG | CA | — | · | Look up ↗ |
| N530TV | AL | 2009 | · | Look up ↗ |
| N530VH | MT | 2012 | · | Look up ↗ |
| N530WH | OR | 2008 | · | Look up ↗ |
| N530XX | ID | 2000 | ● | Look up ↗ |
| N531VB | VA | 2019 | · | Look up ↗ |
| N531WC | OR | 2009 | · | Look up ↗ |
| N532WC | OR | 2007 | · | Look up ↗ |
| N532WH | OR | 1991 | · | Look up ↗ |
| N534WH | CA | 2009 | · | Look up ↗ |
| N535WH | CA | 1989 | · | Look up ↗ |
| N535WK | ID | — | · | Look up ↗ |
| N536WH | OR | — | · | Look up ↗ |
| N537WH | OR | 2008 | · | Look up ↗ |
| N538WH | OR | 2000 | · | Look up ↗ |
| N53HP | CA | 2009 | · | Look up ↗ |
| N540HH | UT | 2012 | ● | Look up ↗ |
| N551CP | OH | 2006 | ● | Look up ↗ |
| N553CP | OH | 2008 | · | Look up ↗ |
| N556CP | OH | 2009 | ● | Look up ↗ |
| N557CP | OH | 2011 | · | Look up ↗ |
| N577BG | TX | — | · | Look up ↗ |
| N581TG | DE | 2012 | · | Look up ↗ |
| N5841Z | PR | 1999 | ● | Look up ↗ |
| N5842Z | KY | — | ● | Look up ↗ |
| N60556 | UT | — | ● | Look up ↗ |
| N6062M | UT | — | · | Look up ↗ |
| N6063P | UT | — | · | Look up ↗ |
| N6065N | UT | — | · | Look up ↗ |
| N6068T | UT | — | · | Look up ↗ |
| N6084U | UT | 2023 | · | Look up ↗ |
| N6100N | UT | — | ● | Look up ↗ |
| N681HB | CA | 2022 | · | Look up ↗ |
| N682HB | CA | 2022 | · | Look up ↗ |
| N683HB | CA | 2022 | · | Look up ↗ |
| N7032C | AZ | 2000 | · | Look up ↗ |
| N882TV | AL | 2020 | · | Look up ↗ |
| N911HK | HI | 2009 | · | Look up ↗ |
| N911VB | VA | 2017 | · | Look up ↗ |
| N911WY | NV | 2000 | · | Look up ↗ |
| N920FC | CA | 2016 | · | 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
- FAA Aircraft Registry →
Refreshed Apr 27, 2026
Available
- NTSB CAROL →
Refreshed Apr 27, 2026
Available
- Federal Register (FAA Airworthiness Directives) →
Refreshed Apr 27, 2026
Available
We render counts and lists as the agency publishes them. Read the methodology →