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Engine and powerplant

STC SA1815SW

FAA DRS lists SA1815SW as Current · Reissued, held by Gulfstream Aerospace Corporation, for Twin Commander Aircraft 680V, Twin Commander Aircraft 680W, and Twin Commander Aircraft 681. Recorded change: Installation of AiResearch TPE331-1-151 engine. Snapshot dated June 30, 2026.

FAA-listed holder
Gulfstream Aerospace Corporation
Aircraft configurations
3
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of AiResearch TPE331-1-151 engine.

SA1815SW 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 680V, Twin Commander Aircraft 680W, and Twin Commander Aircraft 681. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Twin Commander Aircraft 680V2A4Twin Commander Aircraft 680W2A4Twin Commander Aircraft 6812A4

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Twin Commander Aircraft 680V and Twin Commander Aircraft 680W, and 1 more aircraft configuration 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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