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Other aircraft modifications

STC ST00139AT

FAA DRS lists ST00139AT as Current · Reissued, held by Honeywell International Inc, for Boeing 737-400 Series. Recorded change: Installation of a MUA-45 Data Link System. Snapshot dated June 30, 2026.

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Aircraft configurations
1
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

ST00139AT 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 737-400 Series. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

FAA record reference

STC number
ST00139AT
Product
Aircraft · Large Airplane
Country
United States
Application date
October 5, 1992
Revision date
January 4, 2022
CFR references
Part 21, Part 21, Part 21, Part 21, Part 21, Part 21, Part 21, Part 25