Installation of a butterfly valve in the oil cooler inlet duct.
FAA holder: Westview Aviation LLC
Aircraft STC directory
The Jun 30, 2026 FAA DRS snapshot contains 19 selected supplemental type certificates with status Current whose public applicability data names the Sky International A-1A. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
Showing the 19 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
FAA holder: Westview Aviation LLC
FAA holder: F.Atlee Dodge Aircraft Services
FAA holder: F.Atlee Dodge Aircraft Services
FAA holder: Baumann Floats LLC
FAA holder: Kenmore Air Harbor Inc
FAA holder: Silveraire LLC
FAA holder: PK Floats Inc
FAA holder: Airglas Inc.
FAA holder: AvTek
FAA holder: Airglas Inc.
FAA holder: Petersen Aviation Inc
FAA holder: Chelton Flight Systems Inc.
FAA holder: Micro AeroDynamics Inc
FAA holder: Alaskan Bushwheel Inc.
FAA holder: Wipaire Inc
FAA holder: AMSAFE Inc.
FAA holder: Thomas P. Dietrich d.b.a.
FAA holder: Gate 9 Aircraft Maintenance Inc