{"airworthiness_class":"","airworthiness_date":"","airworthiness_ops":"","category":"conventional","cert_issue_date":"2026-08-07","city":"NAPA","country_code":"US","county_code":"055","cruise_speed_mph":null,"data_date":"2026-09-25","documents":[],"eng_mfr_mdl":"","engine_horsepower":null,"engine_maker":"","engine_model":"","engine_thrust_lb":null,"expiration_date":"2033-08-31","fractional_owner":0,"is_company":0,"is_electric":0,"is_unmanned_cert":0,"kit_mfr":"ZENITH AIRCRAFT CO","kit_model":"STOL CH 750","last_action_date":"2026-08-07","maker":"Matthews Dennis S","maker_country":null,"maker_raw":"MATTHEWS DENNIS S","maker_segment":null,"mfr_mdl_code":"056329H","mode_s_code":"51273362","mode_s_hex":"A576F2","model":"ZENITH 750","n_number":"N451MM","name":"RASMUSSEN WEBSTER A","num_engines":1,"other_names":"","plain_english":"N451MM is a Matthews Dennis S ZENITH 750, a glider with a piston engine. It has 2 seats. It is registered to an individual in Napa, California. The registration is valid: it was issued on August 7, 2026 and expires on August 31, 2033. No airworthiness certificate is on file, which is normal for drones and for aircraft still being built or tested.","region":"Western-Pacific","region_code":"4","registrant_type":"Individual","registrant_type_code":"1","seats":2,"serial_number":"75-7983","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"CA","status":"Valid registration","status_code":"V","status_short":"Valid","street":"361 FRANKLIN ST","street2":"","type_aircraft":"Glider","type_aircraft_code":"1","type_engine":"Piston (reciprocating)","type_engine_code":"1","unique_id":"01140332","url":"https://staging.data.eflight.com/aircraft/N451MM","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":null,"zip":"945593837"}