{"airworthiness_class":"Experimental","airworthiness_date":"1992-03-19","airworthiness_ops":"Amateur built","category":"conventional","cert_issue_date":"2026-03-08","city":"OSHKOSH","country_code":"US","county_code":"139","cruise_speed_mph":null,"data_date":"2026-09-25","documents":[],"eng_mfr_mdl":"41508","engine_horsepower":180,"engine_maker":"LYCOMING","engine_model":"0-320 SERIES","engine_thrust_lb":0,"expiration_date":"2033-03-31","fractional_owner":0,"is_company":0,"is_electric":0,"is_unmanned_cert":0,"kit_mfr":"","kit_model":"","last_action_date":"2026-03-08","maker":"Keithley Thomas E","maker_country":null,"maker_raw":"KEITHLEY THOMAS E","maker_segment":null,"mfr_mdl_code":"05608TL","mode_s_code":"51407564","mode_s_hex":"A60F74","model":"RV-4","n_number":"N49TM","name":"VAN DEN AARSSEN ASHWIN","num_engines":1,"other_names":"","plain_english":"N49TM is a Keithley Thomas E RV-4, a fixed-wing airplane with one motor with a piston engine. It has 2 seats. It is registered to an individual in Oshkosh, Wisconsin. The registration is valid: it was issued on March 8, 2026 and expires on March 31, 2033. It holds an experimental airworthiness certificate for amateur built, dated March 19, 1992.","region":"Great Lakes","region_code":"C","registrant_type":"Individual","registrant_type_code":"1","seats":2,"serial_number":"2031","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"WI","status":"Valid registration","status_code":"V","status_short":"Valid","street":"6015 KOELPIN RD","street2":"","type_aircraft":"Fixed-wing, single engine","type_aircraft_code":"4","type_engine":"Piston (reciprocating)","type_engine_code":"1","unique_id":"00503782","url":"https://staging.data.eflight.com/aircraft/N49TM","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":null,"zip":"549029117"}