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Other aircraft modifications

STC SA4-111

FAA DRS lists SA4-111 as Current · Reissued, held by Seaplane Works Inc., for Gulfstream American G-44, Gulfstream American G-44A, and Gulfstream American SCAN Type 30. Recorded change: Installation of Lycoming GO-480-C1D6 engines and Hartzell propellers, HC-83X20-2C/9333-C3 propellers, and associated modifications. Snapshot dated June 30, 2026.

FAA-listed holder
Seaplane Works Inc.
Aircraft configurations
3
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of Lycoming GO-480-C1D6 engines and Hartzell propellers, HC-83X20-2C/9333-C3 propellers, and associated modifications.

SA4-111 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: Gulfstream American G-44, Gulfstream American G-44A, and Gulfstream American SCAN Type 30. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Gulfstream American G-44A-734Gulfstream American G-44AA-734Gulfstream American SCAN Type 30A-734

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Gulfstream American G-44 and Gulfstream American G-44A, and 1 more aircraft configuration 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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