{"airworthiness_class":"Restricted","airworthiness_date":"1976-07-28","airworthiness_ops":"Aerial surveying","category":"conventional","cert_issue_date":"2008-06-04","city":"RIVERTON","country_code":"US","county_code":"013","cruise_speed_mph":150,"data_date":"2026-09-25","documents":[],"eng_mfr_mdl":"41532","engine_horsepower":250,"engine_maker":"LYCOMING","engine_model":"0-540 SERIES","engine_thrust_lb":0,"expiration_date":"2027-08-31","fractional_owner":0,"is_company":0,"is_electric":0,"is_unmanned_cert":0,"kit_mfr":"","kit_model":"","last_action_date":"2023-03-10","maker":"Piper","maker_country":null,"maker_raw":"PIPER","maker_segment":null,"mfr_mdl_code":"7102308","mode_s_code":"51346006","mode_s_hex":"A5CC06","model":"PA-23-250","n_number":"N4728P","name":"SHEPPARD HAROLD DBA","num_engines":2,"other_names":"SHEPPARD TRUCKING","plain_english":"N4728P is a Piper PA-23-250, a fixed-wing airplane with more than one motor with a piston engine, built in 1960. It has 6 seats. It is registered to an individual in Riverton, Wyoming. The registration is valid: it was issued on June 4, 2008 and expires on August 31, 2027. It holds a restricted airworthiness certificate for aerial surveying, dated July 28, 1976.","region":"Northwest Mountain","region_code":"S","registrant_type":"Individual","registrant_type_code":"1","seats":6,"serial_number":"27-257","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"WY","status":"Valid registration","status_code":"V","status_short":"Valid","street":"39 BURMA RD","street2":"","type_aircraft":"Fixed-wing, multi-engine","type_aircraft_code":"5","type_engine":"Piston (reciprocating)","type_engine_code":"1","unique_id":"00103504","url":"https://staging.data.eflight.com/aircraft/N4728P","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":1960,"zip":"825018974"}