STC SA340SO
FAA DRS lists SA340SO as Current · Issued, held by Mike Jones Avionics & Maintenance, for Twin Commander Aircraft 500 Series. Recorded change: Replacing Continental IO 470 M Engines with Continental IO 520 E engines rated at 300hp for takeoff 285hp continuous, and the installation of Hartzell 3 bladed propellers. EHC A3VF-2B/7636D. Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
Replacing Continental IO 470 M Engines with Continental IO 520 E engines rated at 300hp for takeoff 285hp continuous, and the installation of Hartzell 3 bladed propellers. EHC A3VF-2B/7636D.
SA340SO 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 Series. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
- 01Does it cover the exact Twin Commander Aircraft 500 Series model, serial range, and configuration?
- 02Which limits, loading assumptions, performance data, and supplements apply?
- 03Who can legally supply the design data, kit, instructions, and ICAs?
- 04What parts, labor, conformity, and return-to-service work are excluded?
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