{"airworthiness_class":"Experimental","airworthiness_date":"2025-07-02","airworthiness_ops":"Amateur built","category":"conventional","cert_issue_date":"2025-05-20","city":"SAINT GEORGE","country_code":"US","county_code":"053","cruise_speed_mph":null,"data_date":"2026-10-02","documents":[],"eng_mfr_mdl":"42431","engine_horsepower":210,"engine_maker":"LYCOMING","engine_model":"YIO-390EXP289","engine_thrust_lb":0,"expiration_date":"2032-05-31","fractional_owner":0,"is_company":0,"is_electric":0,"is_unmanned_cert":0,"kind":"piston-singles","kit_mfr":"ZENITH AIRCRAFT CO","kit_model":"STOL CH 750 SD","last_action_date":"2025-05-20","maker":"Carson Stilson","maker_country":null,"maker_raw":"CARSON STILSON","maker_segment":null,"mfr_mdl_code":"056421S","mode_s_code":"50334462","mode_s_hex":"A1B932","model":"STOL CH 750SD","n_number":"N21WW","name":"STILSON CARSON","ntsb_checked":true,"ntsb_records":[{"city":"San Juan","damage":"DEST","date":"2017-06-03","highest_injury":"FATL","ntsb_no":"ERA17FA195","probable_cause":"The pilot's failure to maintain adequate airspeed, properly correct for left yaw, and his exceedance of the airplane's critical angle of attack during initial climb, which resulted in an aerodynamic stall and subsequent uncontrolled descent into water.","registration":"N21WW","state":"PR","summary":"Accident on June 3, 2017 at San Juan, PR: fatal, destroyed (1 fatal).","type":"ACC"}],"num_engines":1,"other_names":"","plain_english":"N21WW is a Carson Stilson STOL CH 750SD, a fixed-wing airplane with one motor with a four-stroke engine, built in 2025. It has 3 seats. It is registered to an individual in Saint George, Utah. The registration is valid: it was issued on May 20, 2025 and expires on May 31, 2032. It holds an experimental airworthiness certificate for amateur built, dated July 2, 2025.","records_check":[{"finding":"Valid registration to Stilson Carson, an individual, certificate issued May 20, 2025, expires May 31, 2032. No fractional interest recorded.","item":"Registration and identity","source":1,"status":"CLEAR"},{"finding":"Experimental certificate for amateur built, dated July 2, 2025, consistent with the 2025 manufacture year.","item":"Airworthiness certificate","source":1,"status":"CLEAR"},{"finding":"No earlier tail number is recorded against serial 75-11712 for this model in the deregistered file.","item":"Prior registrations of this airframe","source":2,"status":"CLEAR"},{"finding":"N21WW was previously assigned to 1 other aircraft: Piper PA-23-250 (serial 27-7554066, cancelled September 15, 2017). 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 N21WW: Accident on June 3, 2017 at San Juan, PR: fatal, destroyed (1 fatal). 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":"Individual","registrant_type_code":"1","seats":3,"serial_number":"75-11712","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"UT","status":"Valid registration","status_code":"V","status_short":"Valid","street":"3679 E MESA ROCK DR","street2":"","type_aircraft":"Fixed-wing, single engine","type_aircraft_code":"4","type_engine":"Four-cycle piston","type_engine_code":"8","unique_id":"01486621","url":"https://eflight.com/aircraft/N21WW","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":2025,"zip":"847901799"}