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Engine and powerplant

STC SA02450SE

FAA DRS lists SA02450SE as Current · Issued, held by Merlyn Products Inc., for Twin Commander Aircraft 500-B, Twin Commander Aircraft 500-S, and Twin Commander Aircraft 500-U. Recorded change: Installation of the Lycoming IO-540-M1C5 engine and Hartzell HC-C3YR-2UF/FC8468()-6R propeller. Snapshot dated June 30, 2026.

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FAA-listed holder
Aircraft configurations
3
FAA revision date
FAA status
Current · Issued

Recorded modification

What the FAA record covers

SA02450SE 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-S, and Twin Commander Aircraft 500-U. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

FAA record reference

STC number
SA02450SE
Product
Aircraft · Small Airplane
Country
United States
Application date
May 29, 2014
Revision date
September 1, 2015
CFR references
Part 3, Part 21