{"airworthiness_class":"Standard","airworthiness_date":"1976-07-23","airworthiness_ops":"Glider","category":"conventional","cert_issue_date":"2017-11-14","city":"RAPID CITY","country_code":"US","county_code":"103","cruise_speed_mph":67,"data_date":"2026-09-25","documents":[],"eng_mfr_mdl":"00000","engine_horsepower":0,"engine_maker":"NONE","engine_model":"NONE","engine_thrust_lb":0,"expiration_date":"2027-11-30","fractional_owner":0,"is_company":0,"is_electric":0,"is_unmanned_cert":0,"kit_mfr":"","kit_model":"","last_action_date":"2023-04-01","maker":"Peterson Sailplane-Poly Ind.","maker_country":null,"maker_raw":"PETERSON SAILPLANE-POLY IND.","maker_segment":null,"mfr_mdl_code":"6820502","mode_s_code":"51457650","mode_s_hex":"A65FA8","model":"J-4","n_number":"N51FW","name":"LARSON MARTIN B","num_engines":0,"other_names":"SUMMERS CHARLES M / GLASFORD JOHN T / CLARK RAYMOND C","plain_english":"N51FW is a Peterson Sailplane-Poly Ind. J-4, a glider with no engine, built in 1976. It has 1 seat. It is registered to co-owned owners in Rapid City, South Dakota. The registration is valid: it was issued on November 14, 2017 and expires on November 30, 2027. It holds a standard airworthiness certificate for glider, dated July 23, 1976.","region":"Great Lakes","region_code":"C","registrant_type":"Co-owned","registrant_type_code":"4","seats":1,"serial_number":"005","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"SD","status":"Valid registration","status_code":"V","status_short":"Valid","street":"2310 ARROYO CT","street2":"","type_aircraft":"Glider","type_aircraft_code":"1","type_engine":"None","type_engine_code":"0","unique_id":"00790855","url":"https://staging.data.eflight.com/aircraft/N51FW","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":1976,"zip":"577025112"}