Homebuilt Mark III registrations

3 Homebuilt Mark III aircraft on the FAA register (FAA model MARK III), newest first.

N-numberYearAircraftBased
N6230X2001Homebuilt Mark IIIMerced, CA
N3696S1992Homebuilt Mark IIIRoscommon, MI
N80455—Homebuilt Mark IIIWampum, PA

Source: FAA Aircraft Registry, October 2026. Each N-number links to its aircraft page with registration record, history and accident data.