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Aircraft STC directory

Textron Aviation 500 STCs

The Jun 30, 2026 FAA DRS snapshot contains 70 selected supplemental type certificates with status Current whose public applicability data names the Textron Aviation 500. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.

70
listed Current at snapshot
24
holder directories
11
modification categories
Jun 10, 2026
latest recorded revision

Modification demand surface

Avionics21
Other aircraft modifications18
Aircraft connectivity5
Electrical systems5
Fuel systems5
Engine and powerplant4
Cabin and interiors4
Cargo and special mission3
Landing gear and brakes2
Aircraft structures2
Aircraft performance1

Recorded holders

Sierra Industries Ltd.23Blackhawk Aerospace Technologies Inc.9Sierra Industries Inc5Honeywell International Inc4Aerospace Design & Compliance LLC2Delta Engineering Corporation2JETTECH LLC2Kaman Corporation Aircraft Wheel and Brake LLC2BHE & Associates LTD1Elliott Aviation Technical Products Development, Inc.1L2 Aviation1Acron Aviation Inc.1Chippewa Aerospace, Inc.1Summit Aviation Inc.1Aero-Mach Wilco LLC1Carlisle Interconnect Technologies Inc.1MarathonNorco Aerospace Inc1Skyway Group Inc1Purolator Facet, Inc1Textron Aviation Inc1

Recently revised 500 STCs

Showing the 70 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.