{"airworthiness_class":"","airworthiness_date":"","airworthiness_ops":"","category":"conventional","cert_issue_date":"1999-09-08","city":"ARLINGTON","country_code":"US","county_code":"061","cruise_speed_mph":126,"data_date":"2026-10-02","documents":[],"eng_mfr_mdl":"","engine_horsepower":null,"engine_maker":"","engine_model":"","engine_thrust_lb":null,"expiration_date":"2028-07-31","fractional_owner":0,"is_company":1,"is_electric":0,"is_unmanned_cert":0,"kind":"piston-singles","kit_mfr":"","kit_model":"","last_action_date":"2023-05-26","maker":"North American","maker_country":null,"maker_raw":"NORTH AMERICAN","maker_segment":null,"mfr_mdl_code":"6150130","mode_s_code":"51133224","mode_s_hex":"A4B694","model":"NAVION","n_number":"N4021K","name":"NORTHWEST NAVION INC","ntsb_checked":true,"ntsb_records":[{"city":"ELBE","damage":"DEST","date":"1992-03-16","highest_injury":"MINR","ntsb_no":"SEA92LA062","probable_cause":"FUEL STARVATION, IMPROPER FUEL, IMPROPER AIRCRAFT SERVICING (FUELING), AND CLEARANCE NOT POSSIBLE.  FACTORS CONTRIBUTING TO THE ACCIDENT WERE:  NO SUITABLE TERRAIN, LOW CEILINGS, DUSK AND TREES.","registration":"N4021K","state":"WA","summary":"Accident on March 16, 1992 at Elbe, WA: minor injuries, destroyed.","type":"ACC"}],"num_engines":1,"other_names":"","plain_english":"N4021K is a North American NAVION, a fixed-wing airplane with one motor with a piston engine. It has 4 seats. It is registered to Northwest Navion INC, a corporation in Arlington, Washington. The registration is valid: it was issued on September 8, 1999 and expires on July 31, 2028. No airworthiness certificate is on file, which is normal for drones and for aircraft still being built or tested.","records_check":[{"finding":"Valid registration to Northwest Navion INC, a corporation, certificate issued September 8, 1999, expires July 31, 2028. No fractional interest recorded.","item":"Registration and identity","source":1,"status":"CLEAR"},{"finding":"No airworthiness certificate is on file. Usual for a newly registered aircraft, a project, or an aircraft that has not flown since a change of registration; ask for the certificate.","item":"Airworthiness certificate","source":1,"status":"ATTENTION"},{"finding":"No earlier tail number is recorded against serial NAV41021 for this model in the deregistered file.","item":"Prior registrations of this airframe","source":2,"status":"CLEAR"},{"finding":"No other airframe has carried N4021K 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 N4021K: Accident on March 16, 1992 at Elbe, WA: minor injuries, destroyed. 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":"Corporation","registrant_type_code":"3","seats":4,"serial_number":"NAV41021","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"WA","status":"Valid registration","status_code":"V","status_short":"Valid","street":"16821 SMOKEY POINT BLVD","street2":"","type_aircraft":"Fixed-wing, single engine","type_aircraft_code":"4","type_engine":"Piston (reciprocating)","type_engine_code":"1","unique_id":"00261074","url":"https://eflight.com/aircraft/N4021K","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":null,"zip":"982238407"}