{"airworthiness_class":"","airworthiness_date":"","airworthiness_ops":"","category":"conventional","cert_issue_date":"2016-01-12","city":"SEATTLE","country_code":"US","county_code":"033","cruise_speed_mph":null,"data_date":"2026-09-25","documents":[],"eng_mfr_mdl":"","engine_horsepower":null,"engine_maker":"","engine_model":"","engine_thrust_lb":null,"expiration_date":"2029-01-31","fractional_owner":0,"is_company":1,"is_electric":0,"is_unmanned_cert":0,"kit_mfr":"GLASAIR AVIATION LLC","kit_model":"SUPER II-RG","last_action_date":"2026-06-03","maker":"Bradley W Mcnamara","maker_country":null,"maker_raw":"BRADLEY W MCNAMARA","maker_segment":null,"mfr_mdl_code":"05629SJ","mode_s_code":"51203614","mode_s_hex":"A5078C","model":"GLASAIR SPER II-RG","n_number":"N423J","name":"ALTERNATE AIR INC","num_engines":1,"other_names":"","plain_english":"N423J is a Bradley W Mcnamara GLASAIR SPER II-RG, a fixed-wing airplane with one motor with a four-stroke engine. It has 2 seats. It is registered to Alternate Air INC, a corporation in Seattle, Washington. The registration is valid: it was issued on January 12, 2016 and expires on January 31, 2029. 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":"Corporation","registrant_type_code":"3","seats":2,"serial_number":"2471","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"WA","status":"Valid registration","status_code":"V","status_short":"Valid","street":"524 30TH AVE","street2":"","type_aircraft":"Fixed-wing, single engine","type_aircraft_code":"4","type_engine":"Four-cycle piston","type_engine_code":"8","unique_id":"01052663","url":"https://staging.data.eflight.com/aircraft/N423J","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":null,"zip":"981226237"}