SE00057ATOther aircraft modifications
Installation of Aeronautical Accessories, Inc., Pc Safety Valve Kit.
FAA holder: Bell Helicopter Textron Inc.
Aircraft STC directory
Rolls-Royce 250-C28B 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-C28B. 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
3
modification categories
May 29, 2013
latest recorded revision
Modification demand surface
Other aircraft modifications1
Engine and powerplant1
Fuel systems1
Recently revised 250-C28B STCs
Showing the 3 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
View record
SE00026ENEngine and powerplant
Installation of Pratt & Whitney Engine Services Inc. IntelliStart Plus Electronic Control Unit (ECU), P/N DPU-K-010 on specified 250 engine models.
FAA holder: Pratt & Whitney Engine Services Inc.