STC SA8405SW-D
FAA DRS lists SA8405SW-D as Current · Amended, held by S-TEC Corporation, for Cessna Aircraft P210R and Cessna Aircraft P210N. Recorded change: Installation of S-TEC System 55/55X two axis automatic flight guidance system, Model ST-553. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
SA8405SW-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: Cessna Aircraft P210R and Cessna Aircraft P210N. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
Related other aircraft modifications STCs
Horizontal stabilizer finlets for installation on Maule M-7-235, serial number 12001C ONLY.
FAA holder: Maule Aerospace Technologies Inc
Installation of Settling Protectors.
FAA holder: Eurocopter Canada Limited