{"airworthiness_class":"Experimental","airworthiness_date":"1996-06-03","airworthiness_ops":"Amateur built","category":"conventional","cert_issue_date":"2021-08-16","city":"BILLINGS","country_code":"US","county_code":"111","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":"2028-08-31","fractional_owner":0,"is_company":0,"is_electric":0,"is_unmanned_cert":0,"kit_mfr":"","kit_model":"","last_action_date":"2023-06-03","maker":"Heckel Robert P","maker_country":null,"maker_raw":"HECKEL ROBERT P","maker_segment":null,"mfr_mdl_code":"056085V","mode_s_code":"50004226","mode_s_hex":"A00896","model":"VANS RV-4","n_number":"N101BT","name":"MARTIN JOHN D","num_engines":1,"other_names":"","plain_english":"N101BT is a Heckel Robert P VANS RV-4, a fixed-wing airplane with one motor with a piston engine, built in 1996. It has 2 seats. It is registered to an individual in Billings, Montana. The registration is valid: it was issued on August 16, 2021 and expires on August 31, 2028. It holds an experimental airworthiness certificate for amateur built, dated June 3, 1996.","region":"Northwest Mountain","region_code":"S","registrant_type":"Individual","registrant_type_code":"1","seats":2,"serial_number":"3356","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"MT","status":"Valid registration","status_code":"V","status_short":"Valid","street":"PO BOX 80251","street2":"","type_aircraft":"Fixed-wing, single engine","type_aircraft_code":"4","type_engine":"Piston (reciprocating)","type_engine_code":"1","unique_id":"00715901","url":"https://staging.data.eflight.com/aircraft/N101BT","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":1996,"zip":"591080251"}