Homebuilt Challenger II KT PLN registrations

1 Homebuilt Challenger II KT PLN aircraft on the FAA register (FAA model CHALLENGER II KT PLN), newest first.

N-numberYearAircraftBased
N4370Y—Homebuilt Challenger II KT PLNIdaho Falls, ID

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