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Aircraft STC directory

Beechcraft D55 STCs

The Jun 30, 2026 FAA DRS snapshot contains 10 selected supplemental type certificates with status Current whose public applicability data names the Beechcraft D55. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.

10
listed Current at snapshot
6
holder directories
4
modification categories
Jul 2, 2019
latest recorded revision

Modification demand surface

Other aircraft modifications6
Flight controls2
Avionics1
Landing gear and brakes1

Recorded holders

S-TEC Corporation2Air Comm Corporation1Hartzell Engine Technologies, LLC1Marsh Brothers Aviation Inc1Rosen Sunvisor Systems LLC1Brittain Industries, Inc1

Recently revised D55 STCs

Showing the 10 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.