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Avionics

STC ST04551AT

FAA DRS lists ST04551AT as Current · Issued, held by Chippewa Aerospace Inc., for Embraer SA EMB-135 and Embraer SA EMB-145. Recorded change: Installation of the Universal UNS-ILW FMS/GPS. Snapshot dated June 30, 2026.

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FAA-listed holder
Aircraft configurations
2
FAA revision date
FAA status
Current · Issued

Recorded modification

What the FAA record covers

ST04551AT 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: Embraer SA EMB-135 and Embraer SA EMB-145. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Embraer SA EMB-135T00011AT
Embraer SA EMB-145T00011AT

FAA record reference

STC number
ST04551AT
Product
Aircraft · Large Airplane
Country
United States
Application date
June 17, 2019
Revision date
October 27, 2022
CFR references
Part 25, Part 21