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Other aircraft modifications

STC SA4089SW

FAA DRS lists SA4089SW as Current · Reissued, held by Brittain Industries, Inc, for AC7 AC-7. Recorded change: Installation of Brittain BI-822 horizontal situation indicator adapter. Snapshot dated June 30, 2026.

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FAA-listed holder
Aircraft configurations
1
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

SA4089SW 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: AC7 AC-7. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

FAA record reference

STC number
SA4089SW
Product
Aircraft · Small Airplane
Country
United States
Application date
February 14, 1979
Revision date
October 5, 2016
CFR references
Part 21, Part 23