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Aircraft STC directory

Cessna Aircraft 337C STCs

The Jun 30, 2026 FAA DRS snapshot contains 27 selected supplemental type certificates with status Current whose public applicability data names the Cessna Aircraft 337C. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.

27
listed Current at snapshot
19
holder directories
9
modification categories
Jul 16, 2019
latest recorded revision

Modification demand surface

Other aircraft modifications6
Fuel systems6
Aircraft structures5
Avionics3
Engine and powerplant3
Flight controls1
Cabin and interiors1
Propellers1
Cargo and special mission1

Recorded holders

Aviation Enterprises7P2 Incorporated2Seaton Engineering Corp.1Air Comm Corporation1Spoilers Inc1Glen A Florence, Aero Technologies, Inc.1BF Goodrich Aerospace1Icarus Avionics, LLC1AirScan Inc1Shadin Avionics1MT-Propeller USA Inc.1J P Instruments1Garmin AT Inc.1G & D Aero Products Inc.1Century Flight Systems Inc1Micro AeroDynamics Inc1Rosen Sunvisor Systems LLC1RT Aerospace Corp1Flint Aero Inc1

Recently revised 337C STCs

Showing the 27 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.

SA1823NMAircraft structures

Installation of Lompoc Aero Specialties inner plexiglass pane in swing out window frames presently employing a single window, in accordance with Lompoc Aero Specialties FAA sealed Eligibility List dated January 4, 1983, together with their FAA sealed Installation Instructions dated September 20, 1982, or later FAA approved revisions. Manufacturer of the windows is controlled by Lompoc Aero Specialties drawings LAS 1012 dated August 6, 1982, LAS 1013 dated October 5, 1982, and LAS 1014 dated October 6, 1982, or later FAA approved sealed revisions.

FAA holder: G & D Aero Products Inc.

View record