{"airworthiness_class":"","airworthiness_date":"1980-11-26","airworthiness_ops":"","category":"conventional","cert_issue_date":"2021-09-21","city":"FRANKLIN","country_code":"US","county_code":"213","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":"2028-09-30","fractional_owner":0,"is_company":1,"is_electric":0,"is_unmanned_cert":0,"kit_mfr":"","kit_model":"","last_action_date":"2023-06-10","maker":"Sikorsky","maker_country":null,"maker_raw":"SIKORSKY","maker_segment":null,"mfr_mdl_code":"8141603","mode_s_code":"52003507","mode_s_hex":"A80747","model":"S55B","n_number":"N616Z","name":"SIERRA AERONAUTICS LLC","num_engines":1,"other_names":"","plain_english":"N616Z is a Sikorsky S55B, a rotorcraft with a piston engine (a helicopter or multicopter), built in 1957. It has 12 seats. It is registered to Sierra Aeronautics LLC, an LLC in Franklin, Kentucky. The registration is valid: it was issued on September 21, 2021 and expires on September 30, 2028. No airworthiness certificate is on file, which is normal for drones and for aircraft still being built or tested.","region":"Central","region_code":"3","registrant_type":"LLC","registrant_type_code":"7","seats":12,"serial_number":"57-1616","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"KY","status":"Valid registration","status_code":"V","status_short":"Valid","street":"40 SULPHUR SPRINGS CHURCH RD","street2":"","type_aircraft":"Rotorcraft","type_aircraft_code":"6","type_engine":"Piston (reciprocating)","type_engine_code":"1","unique_id":"00431396","url":"https://staging.data.eflight.com/aircraft/N616Z","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":1957,"zip":"42134"}