{"airworthiness_class":"Standard","airworthiness_date":"2005-09-28","airworthiness_ops":"","category":"conventional","cert_issue_date":"2026-05-12","city":"WILMINGTON","country_code":"US","county_code":"003","cruise_speed_mph":null,"data_date":"2026-09-25","documents":[],"eng_mfr_mdl":"00000","engine_horsepower":0,"engine_maker":"NONE","engine_model":"NONE","engine_thrust_lb":0,"expiration_date":"2033-05-31","fractional_owner":0,"is_company":1,"is_electric":0,"is_unmanned_cert":0,"kit_mfr":"","kit_model":"","last_action_date":"2026-05-12","maker":"Schempp-Hirth","maker_country":"DE","maker_raw":"SCHEMPP-HIRTH FLUGZEUGBAU","maker_segment":"Electric glider","mfr_mdl_code":"3801901","mode_s_code":"53110266","mode_s_hex":"AC90B6","model":"DUO DISCUS","n_number":"N909BB","name":"FOUR DELTA TANGO LLC","num_engines":0,"other_names":"","plain_english":"N909BB is a Schempp-Hirth DUO DISCUS, a glider with no engine, built in 2005. It has 1 seat. It is registered to Four Delta Tango LLC, an LLC in Wilmington, Delaware. The registration is valid: it was issued on May 12, 2026 and expires on May 31, 2033. It holds a standard airworthiness certificate, dated September 28, 2005.","region":"Eastern","region_code":"1","registrant_type":"LLC","registrant_type_code":"7","seats":1,"serial_number":"465","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"DE","status":"Valid registration","status_code":"V","status_short":"Valid","street":"108 W 13TH ST STE 105","street2":"","type_aircraft":"Glider","type_aircraft_code":"1","type_engine":"None","type_engine_code":"0","unique_id":"00205009","url":"https://staging.data.eflight.com/aircraft/N909BB","watchlist_group":"Electric glider","watchlist_note":"Ventus and Discus with electric self-launch","weight_class":"","year_mfr":2005,"zip":"198011145"}