STC SA8855SW
FAA DRS lists SA8855SW as Current · Reissued, held by Sierra Industries Ltd., for Textron Aviation 501. Recorded change: Installation of two Pratt & Whitney Canada JT15D-1B engines. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
Installation of two Pratt & Whitney Canada JT15D-1B engines.
SA8855SW 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 501. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
- 01Does it cover the exact Textron Aviation 501 model, serial range, and configuration?
- 02Which configuration, parts, installation data, limitations, and ICAs apply?
- 03Who can legally supply the design data, kit, instructions, and ICAs?
- 04What parts, labor, conformity, and return-to-service work are excluded?
Related other aircraft modifications STCs
Installation of S-TEC System 30 ALT Altitude Hold System, Model ST-877.
FAA holder: S-TEC Corporation
Installation of vortex generators on the wings and tail surfaces of the above model aircraft in accordance with Drawing Package MA2131, Revision A, dated April 22, 2001, and Installation Manual MA2132, Revision A, dated April 22, 2001, or later FAA approved revision of either of these documents. NOTE: If more than five vortex generators are damaged or missing, the aircraft is not airworthy.
FAA holder: Micro AeroDynamics Inc
Installation of S-TEC System 55/55X Two Axis Automatic Flight Guidance System, Model ST-839,.
FAA holder: S-TEC Corporation
Fabrication of Simplex Model 311 Fire Attack System in accordance with Simplex Master Drawing List No. MDL-311, Revision I/R, dated April 5, 2000, or later Federal Aviation Administration (FAA) approved revision; and installation of this system in accordance with Simplex Installation Document No. 311-102 002-001, dated March 28, 2000, or later FAA approved revision. This modification must be maintained in accordance with Simplex Maintenance Manual Document No. 311-102 005-001, Revision B, dated October 18, 2000, or later FAA approved revision.
FAA holder: Simplex Manufacturing Company