{"airworthiness_class":"Standard","airworthiness_date":"1971-06-14","airworthiness_ops":"Normal","category":"conventional","cert_issue_date":"2006-01-20","city":"HELENA","country_code":"US","county_code":"049","cruise_speed_mph":97,"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":"2029-10-31","fractional_owner":0,"is_company":1,"is_electric":0,"is_unmanned_cert":0,"kit_mfr":"","kit_model":"","last_action_date":"2023-09-09","maker":"Piper","maker_country":null,"maker_raw":"PIPER","maker_segment":null,"mfr_mdl_code":"7101828","mode_s_code":"51325562","mode_s_hex":"A5AB72","model":"PA-18-150","n_number":"N4644Y","name":"STATE OF MONTANA","num_engines":1,"other_names":"DEPT OF FISH WILDLIFE & PARKS","plain_english":"N4644Y is a Piper PA-18-150, a fixed-wing airplane with one motor with a piston engine, built in 1971. It has 2 seats. It is registered to State Of Montana, a government body in Helena, Montana. The registration is valid: it was issued on January 20, 2006 and expires on October 31, 2029. It holds a standard airworthiness certificate for normal, dated June 14, 1971.","region":"Northwest Mountain","region_code":"S","registrant_type":"Government","registrant_type_code":"5","seats":2,"serial_number":"18-8945","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"MT","status":"Valid registration","status_code":"V","status_short":"Valid","street":"1420 E 6TH AVE","street2":"","type_aircraft":"Fixed-wing, single engine","type_aircraft_code":"4","type_engine":"Piston (reciprocating)","type_engine_code":"1","unique_id":"00483204","url":"https://staging.data.eflight.com/aircraft/N4644Y","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":1971,"zip":"596013871"}