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Electrical systems

STC ST04203AT

FAA DRS lists ST04203AT as Current · Amended, held by Avionics Support Group Inc., for Boeing 737-300 Series, Boeing 737-400 Series, and Boeing 737-500 Series, and 7 more aircraft configurations. Recorded change: Installation of a Constant Friction Mount , Cradle, and Integrated Power Supply. Snapshot dated June 30, 2026.

FAA-listed holder
Avionics Support Group Inc.
Aircraft configurations
10
FAA revision date
FAA status
Current · Amended

Recorded modification

What the FAA record covers

ST04203AT 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: Boeing 737-300 Series, Boeing 737-400 Series, and Boeing 737-500 Series, and 7 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Boeing 737-300 SeriesA16WEBoeing 737-400 SeriesA16WEBoeing 737-500 SeriesA16WEBoeing 737-600 SeriesA16WEBoeing 737-700 SeriesA16WEBoeing 737-800 SeriesA16WEBoeing 737-900 SeriesA16WEBoeing 737-8A16WEBoeing 737-9A16WEBoeing 737-900ER SeriesA16WE

Buyer checks

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