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Aircraft STC directory

Boeing AT-6C (SNJ-4) STCs

The Jun 30, 2026 FAA DRS snapshot contains 18 selected supplemental type certificates with status Current whose public applicability data names the Boeing AT-6C (SNJ-4). Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.

18
listed Current at snapshot
10
holder directories
7
modification categories
Apr 9, 2026
latest recorded revision

Modification demand surface

Other aircraft modifications8Avionics4Aircraft connectivity2Electrical systems1Cargo and special mission1Engine and powerplant1Aircraft structures1

Recorded holders

Garmin International Inc4S-TEC Corporation2Honeywell International Inc (Bendix King)1Airwolf Filter Corporation1A & L Aircraft Parts Inc1uAvionix Corporation1Andrew D. Humphrey1Razorback Fabrics Inc1Aviation Development Corporation1Brackett Aero Filters Inc.1

Recently revised AT-6C (SNJ-4) STCs

Showing the 18 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.