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Engine and powerplant

STC SA00169SE

FAA DRS lists SA00169SE as Current · Amended, held by Merlyn Products Inc., for Twin Commander Aircraft 500-B, Twin Commander Aircraft 500-U, and Twin Commander Aircraft 500-S. Recorded change: Install Lycoming IO-540-M1C5 engine and Hartzell HC-C3YR-2UF/FC8468()-6R propeller. Snapshot dated June 30, 2026.

FAA-listed holder
Merlyn Products Inc.
Aircraft configurations
3
FAA revision date
FAA status
Current · Amended

Recorded modification

What the FAA record covers

Install Lycoming IO-540-M1C5 engine and Hartzell HC-C3YR-2UF/FC8468()-6R propeller.

SA00169SE 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 500-B, Twin Commander Aircraft 500-U, and Twin Commander Aircraft 500-S. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Twin Commander Aircraft 500-B6A1Twin Commander Aircraft 500-U6A1Twin Commander Aircraft 500-S6A1

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Twin Commander Aircraft 500-B and Twin Commander Aircraft 500-U, 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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