{"airworthiness_class":"Experimental","airworthiness_date":"1989-10-27","airworthiness_ops":"Amateur built","category":"conventional","cert_issue_date":"2019-04-23","city":"WILMINGTON","country_code":"US","county_code":"003","cruise_speed_mph":null,"data_date":"2026-09-25","documents":[],"eng_mfr_mdl":"41511","engine_horsepower":200,"engine_maker":"LYCOMING","engine_model":"I0360 SER A&C","engine_thrust_lb":0,"expiration_date":"2029-04-30","fractional_owner":0,"is_company":1,"is_electric":0,"is_unmanned_cert":0,"kit_mfr":"","kit_model":"","last_action_date":"2023-07-28","maker":"Stanley B Dale","maker_country":null,"maker_raw":"STANLEY B DALE","maker_segment":null,"mfr_mdl_code":"05608BM","mode_s_code":"52344401","mode_s_hex":"A9C901","model":"RV 4","n_number":"N73DD","name":"SIX-FOUR ALPHA LLC","num_engines":1,"other_names":"","plain_english":"N73DD is a Stanley B Dale RV 4, a fixed-wing airplane with one motor with a piston engine, built in 1989. It has 2 seats. It is registered to Six-Four Alpha LLC, an LLC in Wilmington, Delaware. The registration is valid: it was issued on April 23, 2019 and expires on April 30, 2029. It holds an experimental airworthiness certificate for amateur built, dated October 27, 1989.","region":"Eastern","region_code":"1","registrant_type":"LLC","registrant_type_code":"7","seats":2,"serial_number":"615","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"DE","status":"Valid registration","status_code":"V","status_short":"Valid","street":"3511 SILVERSIDE RD STE 105","street2":"","type_aircraft":"Fixed-wing, single engine","type_aircraft_code":"4","type_engine":"Piston (reciprocating)","type_engine_code":"1","unique_id":"00154401","url":"https://staging.data.eflight.com/aircraft/N73DD","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":1989,"zip":"198104902"}