{"airworthiness_class":"","airworthiness_date":"","airworthiness_ops":"","category":"conventional","cert_issue_date":"1996-05-09","city":"HELENA","country_code":"US","county_code":"049","cruise_speed_mph":112,"data_date":"2026-09-25","documents":[],"eng_mfr_mdl":"","engine_horsepower":null,"engine_maker":"","engine_model":"","engine_thrust_lb":null,"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":"Bell","maker_country":null,"maker_raw":"BELL","maker_segment":null,"mfr_mdl_code":"1181579","mode_s_code":"50147243","mode_s_hex":"A0CEA3","model":"OH-58A","n_number":"N151HP","name":"MONTANA HIGHWAY PATROL","num_engines":1,"other_names":"303 N ROBERTS","plain_english":"N151HP is a Bell OH-58A, a rotorcraft with turboshaft engines (a helicopter or multicopter). It has 4 seats. It is registered to Montana Highway Patrol, a government body in Helena, Montana. The registration is valid: it was issued on May 9, 1996 and expires on April 30, 2030. No airworthiness certificate is on file, which is normal for drones and for aircraft still being built or tested.","region":"Northwest Mountain","region_code":"S","registrant_type":"Government","registrant_type_code":"5","seats":4,"serial_number":"71-20540","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"MT","status":"Valid registration","status_code":"V","status_short":"Valid","street":"2550 PROSPECT AVE","street2":"","type_aircraft":"Rotorcraft","type_aircraft_code":"6","type_engine":"Turboshaft","type_engine_code":"3","unique_id":"00115811","url":"https://staging.data.eflight.com/aircraft/N151HP","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":null,"zip":"596201419"}