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Avionics

STC ST11391DS

FAA DRS lists ST11391DS as Current · Reissued, held by Aircraft Systems and Manufacturing, Inc., for Boeing 737-300 Series, Boeing 737-400 Series, and Boeing 737-500 Series. Recorded change: 5G Tolerant Radio Altimeter System Upgrade. Snapshot dated June 30, 2026.

FAA-listed holder
Aircraft Systems and Manufacturing, Inc.
Aircraft configurations
3
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

ST11391DS 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. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Boeing 737-300 SeriesA16WEBoeing 737-400 SeriesA16WEBoeing 737-500 SeriesA16WE

Buyer checks

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