STC SA4320SW
FAA DRS lists SA4320SW as Current · Reissued, held by Textron Aviation Inc, for Beechcraft BAe.125 Series 800A and Beechcraft HS.125 Series 700A. Recorded change: Installation of Radio Master switch system for Sperry/Collins dual radio system. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
SA4320SW 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: Beechcraft BAe.125 Series 800A and Beechcraft HS.125 Series 700A. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
Related avionics STCs
Installation of dual Universal Avionics Corporation UNS-1C Flight Managenent Systems, software version (SCN) 604.X.
FAA holder: Gulfstream Aerospace Corporation
Installation of an AlliedSignal avionics MK-VII, enhanced ground proximity warning system.
FAA holder: Garrett Aviation Services
Installation of a three (3) Universal Avionics Flight Management Systems consisting of two UNS-1C's and one UNS-1K.
FAA holder: Garrett Aviation Services