{"airworthiness_class":"Experimental","airworthiness_date":"2025-11-17","airworthiness_ops":"Amateur built","category":"conventional","cert_issue_date":"2025-11-04","city":"ST GEORGE","country_code":"US","county_code":"053","cruise_speed_mph":null,"data_date":"2026-09-25","documents":[],"eng_mfr_mdl":"63046","engine_horsepower":130,"engine_maker":"ULPOWER","engine_model":"350IS","engine_thrust_lb":0,"expiration_date":"2032-11-30","fractional_owner":0,"is_company":1,"is_electric":0,"is_unmanned_cert":0,"kit_mfr":"ZENITH AIRCRAFT CO","kit_model":"STOL CH 750","last_action_date":"2025-11-04","maker":"Sd Young Inv Llc","maker_country":null,"maker_raw":"SD YOUNG INV LLC","maker_segment":null,"mfr_mdl_code":"05643IR","mode_s_code":"51623070","mode_s_hex":"A72638","model":"ZENITH 750 STOL","n_number":"N56SY","name":"SD YOUNG INV LLC","num_engines":1,"other_names":"","plain_english":"N56SY is a Sd Young Inv Llc ZENITH 750 STOL, a fixed-wing airplane with one motor with a four-stroke engine, built in 2025. It has 2 seats. It is registered to Sd Young Inv LLC, an LLC in St George, Utah. The registration is valid: it was issued on November 4, 2025 and expires on November 30, 2032. It holds an experimental airworthiness certificate for amateur built, dated November 17, 2025.","region":"Northwest Mountain","region_code":"S","registrant_type":"LLC","registrant_type_code":"7","seats":2,"serial_number":"75-12030","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"UT","status":"Valid registration","status_code":"V","status_short":"Valid","street":"2565 E 1520 SOUTH CIR","street2":"","type_aircraft":"Fixed-wing, single engine","type_aircraft_code":"4","type_engine":"Four-cycle piston","type_engine_code":"8","unique_id":"01513829","url":"https://staging.data.eflight.com/aircraft/N56SY","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":2025,"zip":"847908899"}