STC SA8357SW-D
FAA DRS lists SA8357SW-D as Current · Amended, held by S-TEC Corporation, for Navion Aircraft Navion A (Army L-17B and L-17C), Navion Aircraft Navion B, and Navion Aircraft Navion D, and 4 more aircraft configurations. Recorded change: Installation of S-TEC system 65 two axis automatic flight guidance system, Model ST-491. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
SA8357SW-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: Navion Aircraft Navion A (Army L-17B and L-17C), Navion Aircraft Navion B, and Navion Aircraft Navion D, and 4 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
Related other aircraft modifications STCs
2008X series radome.
FAA holder: Saint-Gobain Performance Plastics Corp
2002X-R radome assembly.
FAA holder: Saint-Gobain Performance Plastics Corp
2012X Series radomes.
FAA holder: Saint-Gobain Performance Plastics Corp
Installation of radome kit No. 2002X.
FAA holder: Saint-Gobain Performance Plastics Corp