Homebuilt Mule Spa-Beta registrations

2 Homebuilt Mule Spa-Beta aircraft on the FAA register (FAA model MULE SPA-BETA), newest first.

N-numberYearAircraftBased
N309XZ2020Homebuilt Mule Spa-BetaMountain View, CA
N307XZ2018Homebuilt Mule Spa-BetaOshkosh, WI

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