{"airworthiness_class":"Experimental","airworthiness_date":"2000-08-31","airworthiness_ops":"Amateur built","category":"conventional","cert_issue_date":"2026-05-06","city":"LECLAIRE","country_code":"US","county_code":"163","cruise_speed_mph":null,"data_date":"2026-10-02","documents":[],"eng_mfr_mdl":"09050","engine_horsepower":0,"engine_maker":"BOMBARDIER","engine_model":"ROTAX (ALL)","engine_thrust_lb":0,"expiration_date":"2033-05-31","fractional_owner":0,"is_company":0,"is_electric":0,"is_unmanned_cert":0,"kind":"piston-singles","kit_mfr":"QUAD CITY ULTRALIGHT ACFT CORP","kit_model":"CHALLENGER II","last_action_date":"2026-05-06","maker":"Krause Donald R","maker_country":null,"maker_raw":"KRAUSE DONALD R","maker_segment":null,"mfr_mdl_code":"05610ET","mode_s_code":"53076322","mode_s_hex":"AC7CD2","model":"CHALLENGER II","n_number":"N9031F","name":"ROLLER RICHARD M","ntsb_checked":true,"ntsb_records":[{"city":"WABASH","damage":"SUBS","date":"1983-08-12","highest_injury":"NONE","ntsb_no":"CHI83FET01","probable_cause":"","registration":"N9031F","state":"IN","summary":"Accident on August 12, 1983 at Wabash, IN: no injuries, substantial damage.","type":"ACC"},{"city":"MILWAUKEE","damage":"SUBS","date":"1982-07-23","highest_injury":"NONE","ntsb_no":"CHI82FA267","probable_cause":"","registration":"N9031F","state":"WI","summary":"Accident on July 23, 1982 at Milwaukee, WI: no injuries, substantial damage.","type":"ACC"}],"num_engines":1,"other_names":"","plain_english":"N9031F is a Krause Donald R CHALLENGER II, a fixed-wing airplane with one motor with a piston engine. It has 2 seats. It is registered to an individual in Leclaire, Iowa. The registration is valid: it was issued on May 6, 2026 and expires on May 31, 2033. It holds an experimental airworthiness certificate for amateur built, dated August 31, 2000.","records_check":[{"finding":"Valid registration to Roller Richard M, an individual, certificate issued May 6, 2026, expires May 31, 2033. No fractional interest recorded.","item":"Registration and identity","source":1,"status":"CLEAR"},{"finding":"Experimental certificate for amateur built; the FAA file gives no certificate date and no manufacture year.","item":"Airworthiness certificate","source":1,"status":"NOTE"},{"finding":"No earlier tail number is recorded against serial CH2-0599-1879 for this model in the deregistered file.","item":"Prior registrations of this airframe","source":2,"status":"CLEAR"},{"finding":"N9031F was previously assigned to 2 other aircraft: Robinson Helicopter R22 (serial 0077, cancelled July 6, 1984); Hughes 369HS (serial 1290228S, cancelled June 4, 1974). 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":"2 NTSB records under N9031F: Accident on August 12, 1983 at Wabash, IN: no injuries, substantial damage. Accident on July 23, 1982 at Milwaukee, WI: 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":"Central","region_code":"3","registrant_type":"Individual","registrant_type_code":"1","seats":2,"serial_number":"CH2-0599-1879","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"IA","status":"Valid registration","status_code":"V","status_short":"Valid","street":"1227 SYCAMORE DR","street2":"","type_aircraft":"Fixed-wing, single engine","type_aircraft_code":"4","type_engine":"Piston (reciprocating)","type_engine_code":"1","unique_id":"00805780","url":"https://eflight.com/aircraft/N9031F","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":null,"zip":"527539629"}