STC ST09559AC
FAA DRS lists ST09559AC as Current · Reissued, held by Sierra Industries Ltd., for Textron Aviation 500, Textron Aviation 550, and Textron Aviation S550, and 1 more aircraft configuration. Recorded change: Installation of Williams/Rolls FJ44-2A engine. Installation of STC SA732NW required for this mod. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
ST09559AC identifies the approval, recorded holder, named aircraft, and modification scope. It does not confirm kit availability, serial-number effectivity, data rights, price, or installation authority.
Applicability
Aircraft named in FAA DRS
Named aircraft: Textron Aviation 500, Textron Aviation 550, and Textron Aviation S550, and 1 more aircraft configuration. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Related engine and powerplant STCs
Installation of a wet engine and transmission oil pressure indicating system.
FAA holder: Apical Industries, Inc. dba Dart Aerospace
Installation of ERA replacement inlet duct.
FAA holder: Apical Industries, Inc. dba Dart Aerospace
Installation of ERA replacement inlet duct.
FAA holder: Apical Industries, Inc. dba Dart Aerospace
Replacement of linear actuator for Bendix fuel control system on the Allison 250 C20B engine.
FAA holder: Apical Industries, Inc. dba Dart Aerospace
FAA record reference
- STC number
- ST09559AC
- Product
- Aircraft · Large Airplane
- Country
- United States
- Application date
- June 12, 1998
- Revision date
- July 14, 2017
- CFR references
- Part 21, Part 23, Part 25, Part 36