Installation of Alcor turbocharger on aircraft modified to Continental IO-470-H engines.
FAA holder: Alcor LLC
Aircraft STC directory
The Jun 30, 2026 FAA DRS snapshot contains 22 selected supplemental type certificates with status Current whose public applicability data names the Sierra Hotel Aero Navion B. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
Showing the 22 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
FAA holder: Alcor LLC
FAA holder: Navion Customs LLC
FAA holder: General Aviation Modifications Inc.
FAA holder: Avidyne Corporation
FAA holder: Brittain Industries, Inc
FAA holder: Hartzell Engine Technologies, LLC
FAA holder: Hartzell Engine Technologies, LLC
FAA holder: Aircraft Components Inc
FAA holder: Russell Herrington
FAA holder: Russell Herrington
FAA holder: Navion Customs, LLC
FAA holder: Navion Customs, LLC
FAA holder: Navion Customs, LLC
FAA holder: Brittain Industries, Inc
FAA holder: Brittain Industries, Inc
FAA holder: Brittain Industries, Inc
FAA holder: S-TEC Corporation
FAA holder: S-TEC Corporation
FAA holder: S-TEC Corporation
FAA holder: Deluca of California Inc.