{"airworthiness_class":"Standard","airworthiness_date":"1956-07-10","airworthiness_ops":"","category":"conventional","cert_issue_date":"2013-02-04","city":"AUBURN","country_code":"US","county_code":"033","cruise_speed_mph":86,"data_date":"2026-09-25","documents":[],"eng_mfr_mdl":"17008","engine_horsepower":85,"engine_maker":"CONT MOTOR","engine_model":"C85 SERIES","engine_thrust_lb":0,"expiration_date":"2029-02-28","fractional_owner":0,"is_company":1,"is_electric":0,"is_unmanned_cert":0,"kit_mfr":"","kit_model":"","last_action_date":"2023-07-18","maker":"Commonwealth","maker_country":null,"maker_raw":"COMMONWEALTH","maker_segment":null,"mfr_mdl_code":"2370608","mode_s_code":"50650271","mode_s_hex":"A350B9","model":"185","n_number":"N31209","name":"HOCKENSON ROY D","num_engines":1,"other_names":"HOCKENSON LYLE K","plain_english":"N31209 is a Commonwealth 185, a fixed-wing airplane with one motor with a piston engine, built in 1946. It has 2 seats. It is registered to Hockenson Roy D, a partnership in Auburn, Washington. The registration is valid: it was issued on February 4, 2013 and expires on February 28, 2029. It holds a standard airworthiness certificate, dated July 10, 1956.","region":"Northwest Mountain","region_code":"S","registrant_type":"Partnership","registrant_type_code":"2","seats":2,"serial_number":"1812","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"WA","status":"Valid registration","status_code":"V","status_short":"Valid","street":"3443 1/2 ACADEMY DR SE","street2":"","type_aircraft":"Fixed-wing, single engine","type_aircraft_code":"4","type_engine":"Piston (reciprocating)","type_engine_code":"1","unique_id":"00581453","url":"https://staging.data.eflight.com/aircraft/N31209","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":1946,"zip":"980927340"}