{"airworthiness_class":"Standard","airworthiness_date":"1956-06-08","airworthiness_ops":"Normal","category":"conventional","cert_issue_date":"2014-04-04","city":"HILLSBORO","country_code":"US","county_code":"067","cruise_speed_mph":150,"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":"2030-04-30","fractional_owner":0,"is_company":1,"is_electric":0,"is_unmanned_cert":0,"kit_mfr":"","kit_model":"","last_action_date":"2023-10-20","maker":"Piper","maker_country":null,"maker_raw":"PIPER","maker_segment":null,"mfr_mdl_code":"7102302","mode_s_code":"50060540","mode_s_hex":"A06160","model":"PA-23","n_number":"N1231P","name":"TWIN OAKS AIRPARK INC","num_engines":2,"other_names":"","plain_english":"N1231P is a Piper PA-23, a fixed-wing airplane with more than one motor with a piston engine, built in 1955. It has 5 seats. It is registered to Twin Oaks Airpark INC, a corporation in Hillsboro, Oregon. The registration is valid: it was issued on April 4, 2014 and expires on April 30, 2030. It holds a standard airworthiness certificate for normal, dated June 8, 1956.","region":"Northwest Mountain","region_code":"S","registrant_type":"Corporation","registrant_type_code":"3","seats":5,"serial_number":"23-251","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"OR","status":"Valid registration","status_code":"V","status_short":"Valid","street":"12405 SW RIVER RD","street2":"","type_aircraft":"Fixed-wing, multi-engine","type_aircraft_code":"5","type_engine":"Piston (reciprocating)","type_engine_code":"1","unique_id":"00650440","url":"https://staging.data.eflight.com/aircraft/N1231P","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":1955,"zip":"971239314"}