STC SA8404SW-D
FAA DRS lists SA8404SW-D as Current · Amended, held by S-TEC Corporation, for Raytheon Aircraft 58 and Raytheon Aircraft 58A. Recorded change: Installation of S-TEC System 55/55X two axis automatic flight guidance system Model ST-550. Snapshot dated June 30, 2026.
FAA-listed holder
Aircraft configurations
2
FAA revision date
FAA status
Current · Amended
Recorded modification
What the FAA record covers
SA8404SW-D 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: Raytheon Aircraft 58 and Raytheon Aircraft 58A. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Related other aircraft modifications STCs
Installation of baggage compartment extension.
FAA holder: Bell Helicopter Textron Inc.
Fabrication of AeroAcoustics Aircraft Systems (AASI) Aircraft Payload Extender STOL system.
FAA holder: AeroAcoustics Aircraft Systems Inc.
FAA record reference
- STC number
- SA8404SW-D
- Product
- Aircraft · Small Multi-Engine
- Country
- United States
- Application date
- August 6, 1994
- Revision date
- March 16, 2001
- CFR references
- Part 21