SR01050LAOther aircraft modifications
Installation of main rotor blades P/N 500P2300-501/503/505.
FAA holder: Helicopter Technology Company
Aircraft STC directory
MD Helicopter 600N STCs
The Jun 30, 2026 FAA DRS snapshot contains 43 selected supplemental type certificates with status Current whose public applicability data names the MD Helicopter 600N. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
43
listed Current at snapshot
18
holder directories
8
modification categories
Jan 13, 2026
latest recorded revision
Modification demand surface
Other aircraft modifications21
Aircraft structures5
Cargo and special mission5
Engine and powerplant3
Fuel systems3
Avionics3
Cabin and interiors2
Electrical systems1
Recorded holders
Aerometals10Brim Aviation4Onboard Systems International3Bell Helicopter Textron Inc.3Heritage Aviation Ltd3Airfilm Camera Systems LLC2Dart Aerospace USA Inc.2Thoroughbred Aviation Maintenance Inc2MD Helicopters LLC1Dart Aerospace Limited1The NORDAM Group LLC1Aero Dynamix Inc.1ROBERTSON FUEL SYSTEMS LLC1Garmin AT Inc.1Bristol Aerospace Ltd1Shadin Avionics1Measurement Systems Intl Inc1Teledyne Battery Products1
Recently revised 600N STCs
Showing the 43 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
View record
SR00862LAOther aircraft modifications
Installation of aft belly utility mount.
FAA holder: Airfilm Camera Systems LLC
SR01078LAOther aircraft modifications
Installation of right side dual utility mount, in accordance with FAA Approved Aero Pacific Master Drawing List for Right Side Dual Utility Mount, MDL 6003, dtd 4/15/00 or later FAA approved revision.
FAA holder: Airfilm Camera Systems LLC
SH2735NMAircraft structures
Installation of pneumatic door actuators.
FAA holder: Dart Aerospace USA Inc.
SH5206NMOther aircraft modifications
Installation of two underfuselage jacking hard points.
FAA holder: Dart Aerospace USA Inc.
SR09178RCOther aircraft modifications
Installation of a vapor-cycle air conditioning system with a belt driven compressor.
FAA holder: MD Helicopters LLC
SR00314ATEngine and powerplant
Installation of engine firewall in Hughes 369 model helicopter.
FAA holder: Thoroughbred Aviation Maintenance Inc
SR00450ATCabin and interiors
Installation of a seat pan inspection panel.
FAA holder: Thoroughbred Aviation Maintenance Inc
SH4908NMOther aircraft modifications
Fabrication of Onboard Systems Model 200-034-00, 200-034-01, and 200-034-02 Load Weigh Kits.
FAA holder: Onboard Systems International
SR00525SECargo and special mission
Fabrication of Onboard Systems Model 200-231-00 and 200-231-01 Cargo Hook Attach Point Kit and installation of these Cargo Hook Attach Point Kits.
FAA holder: Onboard Systems International
SR00892SECargo and special mission
Fabrication of Onboard Systems International Model 200-264-00, 200-264-01, and 200-264-02 Cargo Hook Kits.
FAA holder: Onboard Systems International
SR02728NYOther aircraft modifications
Installation of Quick Release Mounting Provisions on the right or left side.
FAA holder: Dart Aerospace Limited
SH2554NMAircraft structures
Installation of Modified front window canopy.
FAA holder: The NORDAM Group LLC
SR09640RCOther aircraft modifications
Installation of Night Vision Goggle (NVG) Compatible Lighting System.
FAA holder: Aero Dynamix Inc.
SH1383SOOther aircraft modifications
Manufacture of Nightscanner searchlight kit.
FAA holder: Bell Helicopter Textron Inc.
SH7404SWAircraft structures
Installation of a crew door window.
FAA holder: Bell Helicopter Textron Inc.
SR00088ATOther aircraft modifications
Installation of replacement windshield and windows.
FAA holder: Bell Helicopter Textron Inc.
SH207WEFuel systems
Installation of range extension fuel tank in cargo area.
FAA holder: ROBERTSON FUEL SYSTEMS LLC
SR02232LAAvionics
Installation of Garmin Model 400W / 500W Series GPS-WAAS Navigation System.
FAA holder: Garmin AT Inc.
SR02011SEOther aircraft modifications
Fabrication of Aerometals, LLC, Transmission Oil Seals in accordance with Master Drawing List Aero-MDL-004, dated November 9, 2009, or later FAA-approved revision; and installation in accordance with the corresponding Aerometals Installation Instructions, as referenced on the continuation page.
FAA holder: Aerometals
SR02043SEOther aircraft modifications
Fabrication of Aerometals, LLC, Transmission Oil Seals in accordance with Master Drawing List Aero-MDL-004, dated November 9, 2009, or later FAA-approved revision; and installation in accordance with the corresponding Aerometals Installation Instructions, as referenced on the continuation page.
FAA holder: Aerometals
SR02062SEOther aircraft modifications
Fabrication of a replacement Aerometals Heater Control Valve Assembly in accordance with Aerometals Master Drawing List No. Aero-MDL-007, Revision A, dated February 17, 2010, or later FAA-approved revision; and installation of this assembly in accordance with Aerometals Installation Instructions No. Aero-Inst-008, Revision NC, dated March 27, 2009, or later FAA-accepted revision.
FAA holder: Aerometals
SR01996SEFuel systems
Fabrication and installation of an oil tank filler cap assembly in the above model rotor craft.
FAA holder: Aerometals
SR02007SECargo and special mission
Installation of a Brim Aviation cargo rack in accordance with McClenahan Engineering Master Drawing List and Installation Instructions number DM0916-3, revision IR, dated April 21, 2009, or later FAA-approved revision. This modification must be maintained in accordance with Brim Aviation Instructions for Continued Airworthiness number DM0916-9, revision N/C, dated June 17, 2009, or later FAA-accepted revision.
FAA holder: Brim Aviation
SR02008SEAircraft structures
Installation of a Tech Tools 369/500 bubble window in accordance with Brim Aviation Master Drawing List number BR600-010, revision NC, dated June 1, 2009, or later FAA-approved revision. This modification must be maintained in accordance with Brim Aviation Instructions for Continued Airworthiness number BR600-008, revision N/C, dated June 17, 2009, or later FAA-accepted revision.
FAA holder: Brim Aviation
SR02009SEOther aircraft modifications
Installation of Brim Aviation tundra pads in accordance with McClenahan Engineering Master Drawing List and Installation Instructions number DM0916-3, revision IR, dated April 21, 2009, or later FAA-approved revision. This modification must be maintained in accordance with Brim Aviation Instructions for Continued Airworthiness number DM0916-8, revision N/C, dated June 17, 2009, or later FAA-accepted revision.
FAA holder: Brim Aviation
SH1713SOOther aircraft modifications
Installation of a wire strike protection system.
FAA holder: Bristol Aerospace Ltd
SH5230NMOther aircraft modifications
Installation of side pull hook assembly.
FAA holder: Colorado Helicopters Inc
SH7733SWAvionics
Installation of an enlarged instrument panel and back lighted instrument overlay.
FAA holder: Heritage Aviation Ltd
SR01551SEOther aircraft modifications
Fabrication of AMC Part Number AM369A1231 droop stop roller assembly.
FAA holder: Aerometals
SR01626SEEngine and powerplant
Fabrication of AMC Part Number AM369DSK400-103, Engine Oil Hose Assembly in accordance with AMC Master Drawing List No. MDL-AMC-020, Revision IR, dated July 18, 2005, or later Federal Aviation Administration (FAA) approved revision. The Engine Oil Hose Assembly must be installed in accordance with AMC Installation Instructions AMC MI-05004, Revision IR, dated July 7, 2005, or later FAA approved revision.
FAA holder: Aerometals
SR01119SEOther aircraft modifications
Fabrication of AMC 600X5630-501 Cooling Blower Assembly.
FAA holder: Aerometals
SR01265SEOther aircraft modifications
Fabrication of AMC Part Number AM369D25707-13 oil cooler tube assembly.
FAA holder: Aerometals
SR01363SEOther aircraft modifications
Fabrication of AMC Part Number AM369D21308 main rotor spacer in accordance with AMC Master Drawing List No. MDL-AMC-016, Revision A, dated June 30, 2003, or later Federal Aviation Administration (FAA) approved revision. The main rotor spacer must be installed in accordance with AMC Installation Instructions AMC MI-03005, Revision IR, dated March 24, 2003, or later FAA approved revision.
FAA holder: Aerometals
SH390NWCargo and special mission
Installation of an electronic weighing system, for monitoring cargo hook weight, in accordance with Measurement Systems International, Inc., Installation drawing No. D00327, Sheets 1 and 2, or Drawing D00473, Rev. E.
FAA holder: Measurement Systems Intl Inc
SR01427LAElectrical systems
Installation of Teledyne Battery Products G-641 and G-641S lead-acid battery.
FAA holder: Teledyne Battery Products
SR00409SEAircraft structures
Rapid removal door system hinges, installed in accordance with Certified Technology Installation Instructions CT9602-1, Revision C, dated January 1, 2000, or later FAA approved revision and manufactured in accordance with Certified Technology Drawing List CT9602, Revision E, dated January 10, 2000, or later FAA approved revision.
FAA holder: Certified Technology Inc
SR01041LAEngine and powerplant
Installation of engine compressor inspection panel in accordance with Installation Instructions RDE 109-20, Rev A, dated 5/10/00, or later FAA approved revisions.
FAA holder: Dodds Robert L (RDE)