{"airworthiness_class":"Experimental","airworthiness_date":"1979-12-26","airworthiness_ops":"Amateur built","category":"conventional","cert_issue_date":"2022-01-31","city":"DILLON","country_code":"US","county_code":"117","cruise_speed_mph":null,"data_date":"2026-09-25","documents":[],"eng_mfr_mdl":"41530","engine_horsepower":300,"engine_maker":"LYCOMING","engine_model":"IO-540 SER","engine_thrust_lb":0,"expiration_date":"2029-01-31","fractional_owner":0,"is_company":1,"is_electric":0,"is_unmanned_cert":0,"kit_mfr":"","kit_model":"","last_action_date":"2023-07-07","maker":"Danielson Mark W","maker_country":null,"maker_raw":"DANIELSON MARK W","maker_segment":null,"mfr_mdl_code":"05655W7","mode_s_code":"51460055","mode_s_hex":"A6602D","model":"SKYBOLT","n_number":"N51MD","name":"FLY UPSIDE DOWN LLC","num_engines":1,"other_names":"","plain_english":"N51MD is a Danielson Mark W SKYBOLT, a fixed-wing airplane with one motor with a piston engine, built in 1979. It has 2 seats. It is registered to Fly Upside Down LLC, an LLC in Dillon, Colorado. The registration is valid: it was issued on January 31, 2022 and expires on January 31, 2029. It holds an experimental airworthiness certificate for amateur built, dated December 26, 1979.","region":"Northwest Mountain","region_code":"S","registrant_type":"LLC","registrant_type_code":"7","seats":2,"serial_number":"1-300","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"CO","status":"Valid registration","status_code":"V","status_short":"Valid","street":"28 LEGEND CIR","street2":"","type_aircraft":"Fixed-wing, single engine","type_aircraft_code":"4","type_engine":"Piston (reciprocating)","type_engine_code":"1","unique_id":"00871285","url":"https://staging.data.eflight.com/aircraft/N51MD","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":1979,"zip":"804357927"}