Installation of Knisley muffler in lieu of original Cessna mufflers.
FAA holder: Aerospace Welding Minneapolis Inc.
Aircraft STC directory
The Jun 30, 2026 FAA DRS snapshot contains 49 selected supplemental type certificates with status Current whose public applicability data names the Cessna Aircraft 210-5A (205A). Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
Showing the 49 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
FAA holder: Aerospace Welding Minneapolis Inc.
FAA holder: Curry Aviation LLC
FAA holder: Airwolf Filter Corporation
FAA holder: Brittain Industries, Inc
FAA holder: Brittain Industries, Inc
FAA holder: Brittain Industries, Inc
FAA holder: Brittain Industries, Inc
FAA holder: Brittain Industries, Inc
FAA holder: Glen A Florence, Aero Technologies, Inc.
FAA holder: BF Goodrich Aerospace
FAA holder: Aerospace Welding Minneapolis Inc.
FAA holder: Great Lakes Aero Products Inc
FAA holder: Saf-Air Products Inc.
FAA holder: Hartzell Propeller Inc
FAA holder: McCauley Propeller Systems
FAA holder: Aero Fabricators Co
FAA holder: Ellis & Associates CADD/Technical Illustrations
FAA holder: Hartwig Aircraft Fuel Cell Repair
FAA holder: High Sky Adventures
FAA holder: Skybound Manufacturing Inc.
FAA holder: Horizon Instruments Inc
FAA holder: RAM Aircraft Limited Partnership
FAA holder: Quality Aircraft Components LC
FAA holder: Quality Aircraft Components LC
FAA holder: Parker Hannifin Corp
FAA holder: DeVore Aviation Corporation of America, a New Mexico Corporation