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Engine and powerplant

STC SA09247AC

FAA DRS lists SA09247AC as Current · Reissued, held by Twin Commander Aircraft LLC, for Twin Commander Aircraft 690, Twin Commander Aircraft 690A, and Twin Commander Aircraft 690B. Recorded change: Replace the engine exhaust ejector assembly, P/N 260042-55 LH & P/N 260042-56 RH, with a heavier gauge ejector which has a modified fairing. Snapshot dated June 30, 2026.

FAA-listed holder
Twin Commander Aircraft LLC
Aircraft configurations
3
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Replace the engine exhaust ejector assembly, P/N 260042-55 LH & P/N 260042-56 RH, with a heavier gauge ejector which has a modified fairing.

SA09247AC 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 690, Twin Commander Aircraft 690A, and Twin Commander Aircraft 690B. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Twin Commander Aircraft 6902A4Twin Commander Aircraft 690A2A4Twin Commander Aircraft 690B2A4

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Twin Commander Aircraft 690 and Twin Commander Aircraft 690A, 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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