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Avionics

STC ST03355AT

FAA DRS lists ST03355AT as Current · Reissued, held by LB Aircraft Engineering LLC, for Boeing 737-300 Series and Boeing 737-400 Series. Recorded change: Dual Installation of Universal Avionics EFI-890R EFIS on Boeing 737-300/-400 aircraft series. Installation includes 4 Flat Panel Multi Function Displays to provide a Primary Flight Display (PFD) and a Nav Display (ND) for the pilot and co-pilot, as replacement of the existing indicators, two Data Concentrator Units to interface discretes and FMS data busses, and two Vision-1 Computers that hold the terrain data base which provide Egocentric and Exocentric views on the PFD/ND respectively. This installation is in accordance with ARC Avionics Master Data List 750-053005, Rev-H, dated November 24, 2009, or later FAA approved rev's. Snapshot dated June 30, 2026.

Aircraft configurations
2
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

ST03355AT 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 and Boeing 737-400 Series. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Buyer checks

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