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N401MSMichael W Stewart PITTS S1 · 2015

ExperimentalLycoming O-320-EXPCarterville, IL

N401MS is a 2015 Michael W Stewart PITTS S1. It is a fixed-wing single-engine aircraft with 1 seat, powered by a Lycoming O-320-EXP rated at 160 horsepower. The registration is active, with the registrant based in Carterville, IL. Its experimental airworthiness certificate was issued in May 2015. It has been registered to its current owner since Jan 2026. This page also carries 1 NTSB event.

  • 11 years old

2026

FAA record · Jan 2026 · Registration
Registered to current owner
Registrant based in Carterville, IL.

2015

FAA record · May 2015 · Airworthiness
Special Airworthiness Certificate issued — Experimental
Manufacturer: Michael W Stewart. Model PITTS S1. Serial 085.

That's everything on file so far — TailWiki checks the FAA registry daily and adds new entries as N401MS's record changes.