{"airworthiness_class":"Experimental","airworthiness_date":"2018-05-22","airworthiness_ops":"Amateur built","category":"conventional","cert_issue_date":"2018-04-24","city":"ATHERTON","country_code":"US","county_code":"081","cruise_speed_mph":null,"data_date":"2026-10-02","documents":[],"eng_mfr_mdl":"55553","engine_horsepower":115,"engine_maker":"ROTAX","engine_model":"914UL","engine_thrust_lb":0,"expiration_date":"2028-04-30","fractional_owner":0,"is_company":0,"is_electric":0,"is_unmanned_cert":0,"kind":"helicopters","kit_mfr":"AUTOGYRO GMBH","kit_model":"CAVALON","last_action_date":"2023-05-05","maker":"Chris Toeppen","maker_country":null,"maker_raw":"CHRIS TOEPPEN","maker_segment":null,"mfr_mdl_code":"05637NH","mode_s_code":"51125214","mode_s_hex":"A4AA8C","model":"CAVALON","n_number":"N40CT","name":"TOEPPEN CHRIS P","ntsb_checked":true,"ntsb_records":[{"city":"Palo Alto","damage":"SUBS","date":"2026-05-13","highest_injury":"MINR","ntsb_no":"WPR26LA194","probable_cause":"The pilot\u2019s failure to maintain directional control during the landing roll, in gusting crosswind conditions.","registration":"N40CT","state":"CA","summary":"Accident on May 13, 2026 at Palo Alto, CA: minor injuries, substantial damage.","type":"ACC"}],"num_engines":1,"other_names":"","plain_english":"N40CT is a Chris Toeppen CAVALON, a rotorcraft with a four-stroke engine (a helicopter or multicopter), built in 2018. It has 2 seats. It is registered to an individual in Atherton, California. The registration is valid: it was issued on April 24, 2018 and expires on April 30, 2028. It holds an experimental airworthiness certificate for amateur built, dated May 22, 2018.","records_check":[{"finding":"Valid registration to Toeppen Chris P, an individual, certificate issued April 24, 2018, expires April 30, 2028. No fractional interest recorded.","item":"Registration and identity","source":1,"status":"CLEAR"},{"finding":"Experimental certificate for amateur built, dated May 22, 2018, consistent with the 2018 manufacture year.","item":"Airworthiness certificate","source":1,"status":"CLEAR"},{"finding":"No earlier tail number is recorded against serial V00300 for this model in the deregistered file.","item":"Prior registrations of this airframe","source":2,"status":"CLEAR"},{"finding":"N40CT was previously assigned to 1 other aircraft: Cessna 421 (serial 421-0099, cancelled November 15, 2012). 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 N40CT: Accident on May 13, 2026 at Palo Alto, CA: minor 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":"Western-Pacific","region_code":"4","registrant_type":"Individual","registrant_type_code":"1","seats":2,"serial_number":"V00300","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"CA","status":"Valid registration","status_code":"V","status_short":"Valid","street":"36 FAIRVIEW AVE","street2":"","type_aircraft":"Rotorcraft","type_aircraft_code":"6","type_engine":"Four-cycle piston","type_engine_code":"8","unique_id":"01275486","url":"https://eflight.com/aircraft/N40CT","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":2018,"zip":"940275427"}