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Aircraft STC directory

MD Helicopter 500N STCs

The Jun 30, 2026 FAA DRS snapshot contains 96 selected supplemental type certificates with status Current whose public applicability data names the MD Helicopter 500N. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.

96
listed Current at snapshot
33
holder directories
12
modification categories
Jan 13, 2026
latest recorded revision

Modification demand surface

Other aircraft modifications37Cargo and special mission10Fuel systems10Aircraft structures10Electrical systems7Engine and powerplant7Avionics6Cabin and interiors3Landing gear and brakes3Aircraft connectivity1Rotorcraft modifications1Safety and emergency equipment1

Recorded holders

Aerometals23Bell Helicopter Textron Inc.14Heritage Aviation Ltd4Airfilm Camera Systems LLC3Dart Aerospace USA Inc.3Thoroughbred Aviation Maintenance Inc3Onboard Systems International3Fargo Manufacturing Co.3Isolair Inc.2Gulfstream-California Inc.2Pratt & Whitney Engine Services Inc.2Tyler Camera Systems2Precision Heli-Support, LLC1Boost Human External Cargo Systems Inc.1Onboard Systems International LLC1Fifty-Ten-Yankee LLC1The NORDAM Group LLC1Sikorsky Aircraft Corporation1Aero Dynamix Inc.1Gerbino Flight Systems1

Recently revised 500N STCs

Showing the 96 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.