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 53 selected supplemental type certificates with status Current whose public applicability data names the Cessna Aircraft 210B. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
Showing the 53 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: KAMAN Corporation Aircraft Wheel and Brake LLC
FAA holder: P2 Incorporated
FAA holder: Horsham Aviation Services
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: Selkirk Aviation
FAA holder: Aerospace Welding Minneapolis Inc.
FAA holder: Great Lakes Aero Products Inc
FAA holder: Saf-Air Products Inc.
FAA holder: Shadin Avionics
FAA holder: Hartzell Propeller Inc
FAA holder: McCauley Propeller Systems
FAA holder: Aero Fabricators Co
FAA holder: Ellis & Associates CADD/Technical Illustrations
FAA holder: SMR Technologies Inc
FAA holder: Hartwig Aircraft Fuel Cell Repair
FAA holder: Skybound Manufacturing Inc.
FAA holder: Horizon Instruments Inc
FAA holder: RAM Aircraft Limited Partnership
FAA holder: Parker Hannifin Corp
FAA holder: Century Flight Systems Inc
FAA holder: DeVore Aviation Corporation of America, a New Mexico Corporation
FAA holder: Quiet Flight LLC