{"airworthiness_class":"Experimental","airworthiness_date":"1999-08-20","airworthiness_ops":"Amateur built","category":"conventional","cert_issue_date":"1999-08-03","city":"FALLBROOK","country_code":"US","county_code":"073","cruise_speed_mph":null,"data_date":"2026-09-25","documents":[],"eng_mfr_mdl":"41508","engine_horsepower":180,"engine_maker":"LYCOMING","engine_model":"0-320 SERIES","engine_thrust_lb":0,"expiration_date":"2028-05-31","fractional_owner":0,"is_company":0,"is_electric":0,"is_unmanned_cert":0,"kit_mfr":"VANS AIRCRAFT INC","kit_model":"RV-4","last_action_date":"2023-05-12","maker":"Duffer David","maker_country":null,"maker_raw":"DUFFER DAVID","maker_segment":null,"mfr_mdl_code":"05607PI","mode_s_code":"51245125","mode_s_hex":"A54A55","model":"RV-4","n_number":"N44XD","name":"DUFFER DAVID","num_engines":1,"other_names":"","plain_english":"N44XD is a Duffer David RV-4, a fixed-wing airplane with one motor with a piston engine, built in 1999. It has 2 seats. It is registered to an individual in Fallbrook, California. The registration is valid: it was issued on August 3, 1999 and expires on May 31, 2028. It holds an experimental airworthiness certificate for amateur built, dated August 20, 1999.","region":"Western-Pacific","region_code":"4","registrant_type":"Individual","registrant_type_code":"1","seats":2,"serial_number":"1054","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"CA","status":"Valid registration","status_code":"V","status_short":"Valid","street":"2281 N STAGE COACH LN","street2":"","type_aircraft":"Fixed-wing, single engine","type_aircraft_code":"4","type_engine":"Piston (reciprocating)","type_engine_code":"1","unique_id":"00935782","url":"https://staging.data.eflight.com/aircraft/N44XD","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":1999,"zip":"920288431"}