{"airworthiness_class":"Standard","airworthiness_date":"1975-03-19","airworthiness_ops":"Normal","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":"01505","engine_horsepower":800,"engine_maker":"AIRESEARCH","engine_model":"TSE331 SERIES","engine_thrust_lb":0,"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":"50064536","mode_s_hex":"A0695E","model":"S55B","n_number":"N1255T","name":"SIERRA AERONAUTICS LLC","num_engines":1,"other_names":"","plain_english":"N1255T is a Sikorsky S55B, a rotorcraft with a piston engine (a helicopter or multicopter), built in 1954. 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. It holds a standard airworthiness certificate for normal, dated March 19, 1975.","region":"Central","region_code":"3","registrant_type":"LLC","registrant_type_code":"7","seats":12,"serial_number":"55607","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"KY","status":"Valid registration","status_code":"V","status_short":"Valid","street":"40 SULPHUR SPRING CHURCH RD","street2":"","type_aircraft":"Rotorcraft","type_aircraft_code":"6","type_engine":"Piston (reciprocating)","type_engine_code":"1","unique_id":"00390610","url":"https://staging.data.eflight.com/aircraft/N1255T","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":1954,"zip":"421348569"}