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Avionics

STC SA4-157

FAA DRS lists SA4-157 as Current · Reissued, held by Skybound Manufacturing Inc., for Swift Museum Foundation GC-1B. Recorded change: Removal of present trim control handle and relocating it on the left side of the fuselage about nine inches below window, and about nine inches to the rear of the instrument panel. Snapshot dated June 30, 2026.

FAA-listed holder
Skybound Manufacturing Inc.
Aircraft configurations
1
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Removal of present trim control handle and relocating it on the left side of the fuselage about nine inches below window, and about nine inches to the rear of the instrument panel.

SA4-157 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: Swift Museum Foundation GC-1B. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Swift Museum Foundation GC-1BA-766

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Swift Museum Foundation GC-1B model, serial range, and configuration?
  2. 02Which part numbers, software versions, interfaces, and manual changes 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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