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N557SMRobinson Helicopter R44 II · 2007

StandardLycoming IO-540-AE1A5Santa Rosa, CA

N557SM is a 2007 Robinson Helicopter R44 II. It is a rotorcraft with 4 seats, powered by a Lycoming IO-540-AE1A5 rated at 260 horsepower. The registration is active, with the registrant based in Santa Rosa, CA. Its standard airworthiness certificate was issued in Jun 2007. It has been registered to its current owner since Jul 2025.

  • 19 years old
  • No NTSB events on record

2025

FAA record · Jul 2025 · Registration
Registered to current owner
Registered to Acmeflight LLC. Registrant based in Santa Rosa, CA.

2007

FAA record · Jun 2007 · Airworthiness
Airworthiness certificate issued — Standard
Manufacturer: Robinson Helicopter. Model R44 II. Serial 11700.

That's everything on file so far — TailWiki checks the FAA registry daily and adds new entries as N557SM's record changes.