Aircraft STC directory
Rolls-Royce 250-C20S STCs
The Jun 30, 2026 FAA DRS snapshot contains 3 selected supplemental type certificates with status Current whose public applicability data names the Rolls-Royce 250-C20S. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
3
listed Current at snapshot
3
holder directories
2
modification categories
Jun 25, 2020
latest recorded revision
Modification demand surface
Recently revised 250-C20S STCs
Showing the 3 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
Installation of compressor discharge pressue (PC) valve.
FAA holder: Bell Helicopter Textron Inc.
Installation of Pratt & Whitney Engine Services Inc. Intellistart plus electronic control unit (ECU), P/N DPU-K-010 on the specified 250 engine models.
FAA holder: Pratt & Whitney Engine Services Inc.