Challenger II Long WingExperimental Aircraft • Burlington, MA, USA

This Challenger II Long Wing, listed for $12,500 and located in Burlington, MA, is a well-kept example with an exceptionally low-time airframe and engine, both showing just 216.5 hours. It has been hangared since new, a strong indicator of preservation, and features a Rotax 503 powerplant. The aircraft is equipped with a large tail and Stits fabric covering, along with practical touches including removable doors and a hinged windscreen for an open-air experience.

The panel is centered around an MGL Extreme Mini instrument panel paired with a Trig ADSB-out transponder. Other noted details include a 17-gallon fuel tank with a side fill port,...