Homebuilt S-21 Outbound registrations

1 Homebuilt S-21 Outbound aircraft on the FAA register (FAA model S-21 OUTBOUND), newest first.

N-numberYearAircraftBased
N523R2024Homebuilt S-21 OutboundEagle, CO

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