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Other aircraft modifications

STC SA2-27

FAA DRS lists SA2-27 as Current · Reissued, held by Signature Flight Support Corporation, for Lockheed Aircraft Lockheed 18. Recorded change: Installation of Stewart Warner Model 940 heater. (LOCKHEED 18 S/N 2548; 2588 only). Snapshot dated June 30, 2026.

FAA-listed holder
Signature Flight Support Corporation
Aircraft configurations
1
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of Stewart Warner Model 940 heater. (LOCKHEED 18 S/N 2548; 2588 only).

SA2-27 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: Lockheed Aircraft Lockheed 18. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Lockheed Aircraft Lockheed 18A-723

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Lockheed Aircraft Lockheed 18 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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