{"airworthiness_class":"Experimental","airworthiness_date":"2008-10-24","airworthiness_ops":"Amateur built","category":"conventional","cert_issue_date":"2007-04-11","city":"BOUNTIFUL","country_code":"US","county_code":"011","cruise_speed_mph":null,"data_date":"2026-10-02","documents":[],"eng_mfr_mdl":"63601","engine_horsepower":350,"engine_maker":"VEDENEYEV","engine_model":"M14P","engine_thrust_lb":0,"expiration_date":"2030-01-31","fractional_owner":0,"is_company":0,"is_electric":0,"is_unmanned_cert":0,"kind":"piston-singles","kit_mfr":"","kit_model":"","last_action_date":"2024-08-06","maker":"Sorensen Danny S","maker_country":null,"maker_raw":"SORENSEN DANNY S","maker_segment":null,"mfr_mdl_code":"05622UI","mode_s_code":"52627064","mode_s_hex":"AB2E34","model":"BF9-2","n_number":"N81973","name":"SORENSEN DANNY S","ntsb_checked":true,"ntsb_records":[{"city":"Evanston","damage":"SUBS","date":"2018-05-31","highest_injury":"NONE","ntsb_no":"GAA18CA330","probable_cause":"The pilot\u2019s failure to fuel the biplane\u2019s main fuel tank before the flight and his inadequate preflight inspection, during which he did not verify the fuel quantity, which resulted in fuel exhaustion","registration":"N81973","state":"WY","summary":"Accident on May 31, 2018 at Evanston, WY: no injuries, substantial damage.","type":"ACC"}],"num_engines":1,"other_names":"SORENSEN ALLYN H","plain_english":"N81973 is a Sorensen Danny S BF9-2, a fixed-wing airplane with one motor with a four-stroke engine, built in 2008. It has 2 seats. It is registered to co-owned owners in Bountiful, Utah. The registration is valid: it was issued on April 11, 2007 and expires on January 31, 2030. It holds an experimental airworthiness certificate for amateur built, dated October 24, 2008.","records_check":[{"finding":"Valid registration to Sorensen Danny S, a co-owned, certificate issued April 11, 2007, expires January 31, 2030. No fractional interest recorded.","item":"Registration and identity","source":1,"status":"CLEAR"},{"finding":"Experimental certificate for amateur built, dated October 24, 2008, consistent with the 2008 manufacture year.","item":"Airworthiness certificate","source":1,"status":"CLEAR"},{"finding":"No earlier tail number is recorded against serial 24601-001 for this model in the deregistered file.","item":"Prior registrations of this airframe","source":2,"status":"CLEAR"},{"finding":"N81973 was previously assigned to 1 other aircraft: Aeronca 7AC (serial 7AC598, cancelled February 1, 2007). Histories keyed to the tail number alone can mix aircraft up; this check keys on the serial number.","item":"Tail number reuse","source":2,"status":"ATTENTION"},{"finding":"No bills of sale, loans or releases have reached the registry in recent weeks. The index covers only recent filings; older liens are in the records file.","item":"Recent registry documents","source":3,"status":"NOTE"},{"finding":"1 NTSB record under N81973: Accident on May 31, 2018 at Evanston, WY: no injuries, substantial damage. Details below.","item":"Accident and incident record","source":4,"status":"ATTENTION"},{"finding":"These live in the FAA aircraft records file (every document ever filed against the aircraft) and, for larger aircraft, the International Registry. Part of the full report.","item":"Title chain, liens and 337 forms","source":null,"status":"PENDING"},{"finding":"AD compliance against the logbooks and flight-activity reconciliation are researched layers of the full report.","item":"Airworthiness directives and utilization","source":null,"status":"PENDING"}],"records_check_sources":[{"n":1,"name":"FAA Releasable Aircraft Database, master file","url":"https://registry.faa.gov/"},{"n":2,"name":"FAA deregistered aircraft file (part of the same download)","url":"https://registry.faa.gov/"},{"n":3,"name":"FAA document index: registry documents received in recent weeks","url":"https://registry.faa.gov/"},{"n":4,"name":"NTSB aviation accident database (CAROL)","url":"https://data.ntsb.gov/carol-main-public/basic-search"}],"region":"Northwest Mountain","region_code":"S","registrant_type":"Co-owned","registrant_type_code":"4","seats":2,"serial_number":"24601-001","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"UT","status":"Valid registration","status_code":"V","status_short":"Valid","street":"258 W 1300 N","street2":"","type_aircraft":"Fixed-wing, single engine","type_aircraft_code":"4","type_engine":"Four-cycle piston","type_engine_code":"8","unique_id":"00329989","url":"https://eflight.com/aircraft/N81973","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":2008,"zip":"840106735"}