{"airworthiness_class":"Experimental","airworthiness_date":"1998-12-01","airworthiness_ops":"Exhibition","category":"conventional","cert_issue_date":"2015-07-31","city":"HALF MOON BAY","country_code":"US","county_code":"081","cruise_speed_mph":null,"data_date":"2026-10-02","documents":[],"eng_mfr_mdl":"03001","engine_horsepower":1500,"engine_maker":"ALLISON","engine_model":"V1710 SERIES","engine_thrust_lb":0,"expiration_date":"2028-07-31","fractional_owner":0,"is_company":0,"is_electric":0,"is_unmanned_cert":0,"kind":"turboprops","kit_mfr":"","kit_model":"","last_action_date":"2023-05-26","maker":"Yakovlev","maker_country":null,"maker_raw":"YAKOVLEV","maker_segment":null,"mfr_mdl_code":"05603QW","mode_s_code":"51252443","mode_s_hex":"A55523","model":"YAK-9U-M","n_number":"N4425S","name":"ANDREINI LINDA J","ntsb_checked":true,"ntsb_records":[],"num_engines":1,"other_names":"ANDREINI EDWARD J / ANDREINI SANDRA L","plain_english":"N4425S is a Yakovlev YAK-9U-M, a fixed-wing airplane with one motor with turboshaft engines, built in 1997. It has 1 seat. It is registered to co-owned owners in Half Moon Bay, California. The registration is valid: it was issued on July 31, 2015 and expires on July 31, 2028. It holds an experimental airworthiness certificate for exhibition, dated December 1, 1998.","records_check":[{"finding":"Valid registration to Andreini Linda J, a co-owned, certificate issued July 31, 2015, expires July 31, 2028. No fractional interest recorded.","item":"Registration and identity","source":1,"status":"CLEAR"},{"finding":"Experimental certificate for exhibition, dated December 1, 1998, consistent with the 1997 manufacture year.","item":"Airworthiness certificate","source":1,"status":"CLEAR"},{"finding":"No earlier tail number is recorded against serial 0470405 for this model in the deregistered file.","item":"Prior registrations of this airframe","source":2,"status":"CLEAR"},{"finding":"N4425S was previously assigned to 1 other aircraft: Air Tractor Inc AT-301 (serial 3010085, cancelled September 7, 1989). 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":"No NTSB investigation records located under N4425S. CLEAR means the query ran and returned nothing, not that nothing ever happened.","item":"Accident and incident record","source":4,"status":"CLEAR"},{"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":"Co-owned","registrant_type_code":"4","seats":1,"serial_number":"0470405","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"CA","status":"Valid registration","status_code":"V","status_short":"Valid","street":"2220 CABRILLO HWY S","street2":"","type_aircraft":"Fixed-wing, single engine","type_aircraft_code":"4","type_engine":"Turboshaft","type_engine_code":"3","unique_id":"00707251","url":"https://eflight.com/aircraft/N4425S","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":1997,"zip":"940192249"}