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
Engine and powerplant2
Other aircraft modifications1
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.
SE5511NMOther aircraft modifications
Installation of compressor discharge pressue (PC) valve.
FAA holder: Bell Helicopter Textron Inc.
SE00027ENEngine and powerplant
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.