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Engine and powerplant

STC SA4-145

FAA DRS lists SA4-145 as Current · Reissued, held by Skybound Manufacturing Inc., for Swift Museum Foundation GC-1B. Recorded change: Removal of C-125, Continental Engine and installation of C145, Continental Engine and Koppers Model F200 and F200-H propellers with 0073-E blades in all model GC-1B Swifts. Maximum engine power restricted to 125 hp at 2550 rpm and 25.8 in. Hg. MAP. Installation must be made per Preston Johnson Drawing No. PDJ-3. 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 C-125, Continental Engine and installation of C145, Continental Engine and Koppers Model F200 and F200-H propellers with 0073-E blades in all model GC-1B Swifts. Maximum engine power restricted to 125 hp at 2550 rpm and 25.8 in. Hg. MAP. Installation must be made per Preston Johnson Drawing No. PDJ-3.

SA4-145 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 powerplant configuration, limits, instruments, and maintenance data 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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