Yup. See: https://www.faa.gov/licenses_certificates/aircraft_certification/aircraft_registry/amateur_built_aircraft/ https://www.faa.gov/licenses_certificates/a

Yup. See: https://www.faa.gov/licenses_certificates/aircraft_certification/aircraft_registry/amateur_built_aircraft/ https://www.faa.gov/licenses_certificates/aircraft_certifica... Looks like it's $5. The FAA's philosophy, in a phrase, is "it's your funeral". In other words, the FAA only regulates airborne activity that is likely to harm others.