Aircraft STC directory
The Jun 30, 2026 FAA DRS snapshot contains 36 selected supplemental type certificates with status Current whose public applicability data names the American Champion Aircraft Corp S11AC. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
Showing the 36 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
FAA holder: Airwolf Filter Corporation
FAA holder: Electroair Acquisition Corporation
FAA holder: ABI, LLC
FAA holder: ABI LLC
FAA holder: Keller Engineering Group LLC
FAA holder: Keller Engineering Group LLC
FAA holder: Ceconite Division of Poly-Fiber Inc.
FAA holder: C William Pancake Jr
FAA holder: Del-Air
FAA holder: Mr. Ernie Broten
FAA holder: AMSAFE Inc.
FAA holder: C William Pancake Jr
FAA holder: MILMAN Engineering Inc
FAA holder: Hartzell Engine Technologies, LLC
FAA holder: MILMAN Engineering Inc
FAA holder: Seaplanes North LLC
FAA holder: Northern Airframes LLC
FAA holder: Rainbow Flying Service LLC
FAA holder: ABI, LLC
FAA holder: Burl's Aircraft LLC
FAA holder: P2 Incorporated
FAA holder: Coleman T. Wagner
FAA holder: Electronics International Inc.
FAA holder: Coleman T. Wagner
FAA holder: Rainbow Flying Service
FAA holder: Aviation Products Systems Inc.
FAA holder: Aero Fabricators Co
FAA holder: Micro AeroDynamics Inc
FAA holder: Aero Enhancements Inc.
FAA holder: EAA Aviation Foundation
FAA holder: Cooper Aviation Supply Company, Inc.
FAA holder: Ameri-King Corporation
FAA holder: Ronald S. Piercy dba Rainbow Flying Service
FAA holder: Aero Manufacturing Inc.