{"airworthiness_class":"Experimental","airworthiness_date":"2025-11-19","airworthiness_ops":"Racing","category":"conventional","cert_issue_date":"2025-07-15","city":"ALEXANDRIA","country_code":"US","county_code":"510","cruise_speed_mph":null,"data_date":"2026-10-02","documents":[],"eng_mfr_mdl":"06406","engine_horsepower":160,"engine_maker":"AUSTRO","engine_model":"E4(11OR)","engine_thrust_lb":0,"expiration_date":"2032-07-31","fractional_owner":0,"is_company":0,"is_electric":0,"is_unmanned_cert":0,"kind":"gliders","kit_mfr":"","kit_model":"","last_action_date":"2025-12-09","maker":"Alexander Schleicher","maker_country":"DE","maker_raw":"ALEXANDER SCHLEICHER GMBH & CO","maker_segment":"Electric glider","mfr_mdl_code":"3801549","mode_s_code":"51154740","mode_s_hex":"A4D9E0","model":"ASH 31 MI","n_number":"N411WW","name":"WUERKER CHRISTOPHER K","ntsb_checked":true,"ntsb_records":[{"city":"DURANGO","damage":"MINR","date":"1999-03-13","highest_injury":"NONE","ntsb_no":"DEN99IA053","probable_cause":"The failure of the number four fuel line.  Factors were the chaffing of the alternator's electrical wires on the number four fuel line, and the subsequent fire in the number one engine nacelle.","registration":"N411WW","state":"CO","summary":"Incident on March 13, 1999 at Durango, CO: no injuries, minor damage.","type":"INC"}],"num_engines":1,"other_names":"","plain_english":"N411WW is an Alexander Schleicher ASH 31 MI, a glider with a rotary engine, built in 2011. It has 1 seat. It is registered to an individual in Alexandria, Virginia. The registration is valid: it was issued on July 15, 2025 and expires on July 31, 2032. It holds an experimental airworthiness certificate for racing, dated November 19, 2025.","records_check":[{"finding":"Valid registration to Wuerker Christopher K, an individual, certificate issued July 15, 2025, expires July 31, 2032. No fractional interest recorded.","item":"Registration and identity","source":1,"status":"CLEAR"},{"finding":"The airworthiness certificate on file is dated November 19, 2025, 14 years after the 2011 manufacture year. A re-issued certificate commonly follows export and re-import, a rebuild, or a return to the register after cancellation. The cause is documented in the FAA aircraft records file, which the full report obtains.","item":"Airworthiness certificate date","source":1,"status":"ATTENTION"},{"finding":"No earlier tail number is recorded against serial 31052 for this model in the deregistered file.","item":"Prior registrations of this airframe","source":2,"status":"CLEAR"},{"finding":"No other airframe has carried N411WW according to the deregistered file.","item":"Tail number reuse","source":2,"status":"CLEAR"},{"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 N411WW: Incident on March 13, 1999 at Durango, CO: no injuries, minor 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":"Eastern","region_code":"1","registrant_type":"Individual","registrant_type_code":"1","seats":1,"serial_number":"31052","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"VA","status":"Valid registration","status_code":"V","status_short":"Valid","street":"22 W OAK ST","street2":"","type_aircraft":"Glider","type_aircraft_code":"1","type_engine":"Rotary","type_engine_code":"11","unique_id":"01088661","url":"https://eflight.com/aircraft/N411WW","watchlist_group":"Electric glider","watchlist_note":"AS 33 ME","weight_class":"","year_mfr":2011,"zip":"223012518"}