{"airworthiness_class":"","airworthiness_date":"","airworthiness_ops":"","category":"conventional","cert_issue_date":"2021-01-22","city":"BOULDER","country_code":"US","county_code":"013","cruise_speed_mph":78,"data_date":"2026-09-25","documents":[],"eng_mfr_mdl":"","engine_horsepower":null,"engine_maker":"","engine_model":"","engine_thrust_lb":null,"expiration_date":"2028-01-31","fractional_owner":0,"is_company":1,"is_electric":0,"is_unmanned_cert":0,"kit_mfr":"","kit_model":"","last_action_date":"2024-05-18","maker":"Bell","maker_country":null,"maker_raw":"BELL","maker_segment":null,"mfr_mdl_code":"1181029","mode_s_code":"50467555","mode_s_hex":"A26F6D","model":"47G-3B-2","n_number":"N256SW","name":"MOUNTAIN 47 LLC","num_engines":1,"other_names":"","plain_english":"N256SW is a Bell 47G-3B-2, a rotorcraft with turboprop engines (a helicopter or multicopter). It has 3 seats. It is registered to Mountain 47 LLC, an LLC in Boulder, Colorado. The registration is valid: it was issued on January 22, 2021 and expires on January 31, 2028. 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":"LLC","registrant_type_code":"7","seats":3,"serial_number":"6754","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"CO","status":"Valid registration","status_code":"V","status_short":"Valid","street":"PO BOX 17088","street2":"","type_aircraft":"Rotorcraft","type_aircraft_code":"6","type_engine":"Turboprop","type_engine_code":"2","unique_id":"00984680","url":"https://staging.data.eflight.com/aircraft/N256SW","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":null,"zip":"803080088"}