Aircraft STC directory

Textron Aviation F33 STCs

The Jun 30, 2026 FAA DRS snapshot contains 15 selected supplemental type certificates with status Current whose public applicability data names the Textron Aviation F33. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.

listed Current at snapshot

holder directories

modification categories

Nov 25, 2025

latest recorded revision

Modification demand surface

Other aircraft modifications4

Aircraft structures3

Electrical systems2

Landing gear and brakes2

Propellers1

Fuel systems1

Avionics1

Engine and powerplant1

Recorded holders

CheckSix AeroSolutions, LLC2 Gallagher Aviation LLC2 Marsh Brothers Aviation Inc2 McFarlane Aviation LLC1 MT- Propeller Entwicklung GmbH1 Aero-Mach Wilco LLC1 Sandel Avionics LLC1 TALCO Aviation Corp.1 Cygnet Aerospace Corp.1 D'Shannon Products Ltd.1

Recently revised F33 STCs

Showing the 15 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.

SA01152CHOther aircraft modificationsRevised Nov 25, 2025

Installation of stainless steel passenger step, P/N 002-430076-23, with South Seas Ventures, Inc. drawing as listed on AML No. SA01152CH, or later FAA approved revision.

FAA holder: McFarlane Aviation LLC