Skip to content
Other aircraft modifications

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.

FAA-listed holder
S-TEC Corporation
Aircraft configurations
7
FAA revision date
FAA status
Current · Amended

Recorded modification

What the FAA record covers

Installation of S-TEC system 65 two axis automatic flight guidance system, Model ST-491.

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.

Navion Aircraft Navion A (Army L-17B and L-17C)A-782Navion Aircraft Navion BA-782Navion Aircraft Navion DA-782Navion Aircraft Navion EA-782Navion Aircraft Navion FA-782Navion Aircraft Navion GA-782Navion Aircraft Navion HA-782

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Navion Aircraft Navion A (Army L-17B and L-17C) and Navion Aircraft Navion B, and 5 more aircraft configurations model, serial range, and configuration?
  2. 02Which configuration, parts, installation data, limitations, and ICAs apply?
  3. 03Who can legally supply the design data, kit, instructions, and ICAs?
  4. 04What parts, labor, conformity, and return-to-service work are excluded?

Related other aircraft modifications STCs