SA10236SC (4 OF 4)Other aircraft modifications
Installation of a GDC 31 Roll Steering Converter.
FAA holder: DAC International Inc
Aircraft STC directory
Raytheon Aircraft A56TC STCs
The Jun 30, 2026 FAA DRS snapshot contains 11 selected supplemental type certificates with status Current whose public applicability data names the Raytheon Aircraft A56TC. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
11
listed Current at snapshot
8
holder directories
6
modification categories
Jul 17, 2020
latest recorded revision
Modification demand surface
Other aircraft modifications5
Aircraft connectivity2
Avionics1
Engine and powerplant1
Landing gear and brakes1
Fuel systems1
Recently revised A56TC STCs
Showing the 11 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
View record
SA01800SE (PG 4)Avionics
Fabrication and installation of new or replacement of existing instrument panel lights dimmer control.
FAA holder: Seaton Engineering Corp.
SA02033AT (PAGE 6)Engine and powerplant
Modification to install an air-oil separator to prevent oil from being aspirated from the engine breather line (47J series w stc's SH4-235SW, SH4-826SW or SH479SW).
FAA holder: M-20 Oil Separators LLC
SA01473SE (5 OF 5)Other aircraft modifications
Installation of a GTX 32 (mode C), GTX 33 (mode S), or GTX 33D (mode S with diversity) Remote Transponde.
FAA holder: Garmin AT Inc.
SA01033WILanding gear and brakes
Replacement of original outboard main landing gear doors with a one-piece monolithic machined metal door.
FAA holder: Machining Programming Manufacturing Inc
SA486GLFuel systems
Installation of a Shadin Co. fuel flow indicating system.
FAA holder: Shadin Company Inc
SA01487SE (4 OF 5)Aircraft connectivity
Installation of a GDL 69 or GDL 69A XM Satellite Receiver in accordance with Garmin Supplemental Type Certificate Master Data List, P/N 005-C0217-00, Revision A, dated December 20, 2004, or later FAA approved revision.
FAA holder: Garmin AT Inc.
SA01436SE (2 OF 2)Other aircraft modifications
Cockpit sunvisor retrofit kit.
FAA holder: Rosen Sunvisor Systems LLC
SA3270NMOther aircraft modifications
Installation of single piece framed or frameless windshield.
FAA holder: Cee Bailey's Aircraft Plastics