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Aircraft STC directory

Textron Aviation 400 STCs

The Jun 30, 2026 FAA DRS snapshot contains 24 selected supplemental type certificates with status Current whose public applicability data names the Textron Aviation 400. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.

24
listed Current at snapshot
11
holder directories
7
modification categories
Mar 25, 2026
latest recorded revision

Modification demand surface

Other aircraft modifications11
Avionics6
Aircraft structures2
Fuel systems2
Engine and powerplant1
Safety and emergency equipment1
Cabin and interiors1

Recorded holders

Textron Aviation Inc8Lee Aerospace Inc.3Acron Aviation Inc.2Sierra Industries Ltd.2Aerospace Design & Compliance LLC1BHE & Associates LTD1Rockwell Collins Inc1Peregrine1Nextant Aerospace LLC1Honeywell International Inc1Nextant Aerospace1

Recently revised 400 STCs

Showing the 24 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.

ST04552CHAircraft structures

Installation of replacement parts consisting of horizontal stabilizer ribs, pivot fitting, and spar attach angle in accordance with Nextant Aerospace Master Data List Document No. NT0027-MDL0-0000, Revision C, dated April 7, 2022, and FAA approved August 30, 2022, or later FAA approved revision. \nInstructions for Continued Airworthiness (ICA), Document No. NT0027-ICA0-0100, Revision B, dated July 21, 2022, FAA approved September 6, 2022, or later approved revision is required for this installation.

FAA holder: Nextant Aerospace LLC

View record