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Other aircraft modifications

STC SA801SO

FAA DRS lists SA801SO as Current · Reissued, held by Continental Motors, Inc., for Twin Commander Aircraft 685. Recorded change: Replacement of the Continental Motors, Inc. Model GTSIO-520-F with the Model GTSIO-520-K engines. Snapshot dated June 30, 2026.

FAA-listed holder
Continental Motors, Inc.
Aircraft configurations
1
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Replacement of the Continental Motors, Inc. Model GTSIO-520-F with the Model GTSIO-520-K engines.

SA801SO 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: Twin Commander Aircraft 685. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Twin Commander Aircraft 6852A4

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Twin Commander Aircraft 685 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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