Aircraft STC directory
The Jun 30, 2026 FAA DRS snapshot contains 4 selected supplemental type certificates with status Current whose public applicability data names the Pratt & Whitney Canada PT6A-50. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
Showing the 4 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
FAA holder: Pratt & Whitney Engine Services Inc.
FAA holder: Pratt & Whitney Engine Services Inc.
FAA holder: Atlantic Turbines International Inc.