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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.

FAA-listed holder
Brittain Industries, Inc
Aircraft configurations
1
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of Brittain BI-822 horizontal situation indicator adapter.

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.

AC7 AC-7A7SW

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact AC7 AC-7 model, serial range, and configuration?
  2. 02Which configuration, parts, installation data, limitations, and ICAs apply?
  3. 03Who can legally supply the design data, kit, instructions, and ICAs?
  4. 04What parts, labor, conformity, and return-to-service work are excluded?

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