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Other aircraft modifications

STC SA2-351

FAA DRS lists SA2-351 as Current · Reissued, held by Signature Flight Support Corporation, for Beechcraft C18S and Beechcraft D18S. Recorded change: Installation of unfeathering system. Snapshot dated June 30, 2026.

Aircraft configurations
2
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of unfeathering system.

SA2-351 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: Beechcraft C18S and Beechcraft D18S. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Beechcraft C18SA-757
Beechcraft D18SA-765

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Beechcraft C18S and Beechcraft D18S 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?