{"airworthiness_class":"","airworthiness_date":"","airworthiness_ops":"","category":"conventional","cert_issue_date":"2026-09-18","city":"MOUNTAIN VIEW","country_code":"US","county_code":"085","cruise_speed_mph":null,"data_date":"2026-10-02","documents":[],"eng_mfr_mdl":"","engine_horsepower":null,"engine_maker":"","engine_model":"","engine_thrust_lb":null,"expiration_date":"2033-09-30","fractional_owner":0,"is_company":0,"is_electric":0,"is_unmanned_cert":0,"kind":"piston-singles","kit_mfr":"VANS AIRCRAFT INC","kit_model":"RV14 QUICKBUILD","last_action_date":"2026-09-18","maker":"Louis J Dietz","maker_country":null,"maker_raw":"LOUIS J DIETZ","maker_segment":null,"mfr_mdl_code":"05643ZM","mode_s_code":"53112560","mode_s_hex":"AC9570","model":"RV-14 QUICKBUILD","n_number":"N91ML","name":"DIETZ LOUIS J","ntsb_checked":true,"ntsb_records":[],"num_engines":1,"other_names":"","plain_english":"N91ML is a Louis J Dietz RV-14 QUICKBUILD, a fixed-wing airplane with one motor with a piston engine. It has 2 seats. It is registered to an individual in Mountain View, California. The registration is valid: it was issued on September 18, 2026 and expires on September 30, 2033. 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 Dietz Louis J, an individual, certificate issued September 18, 2026, expires September 30, 2033. 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 141428 for this model in the deregistered file.","item":"Prior registrations of this airframe","source":2,"status":"CLEAR"},{"finding":"N91ML was previously assigned to 1 other aircraft: Raytheon Aircraft Company B200 (serial BB-1548, cancelled April 20, 2011). 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 N91ML. 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":"Individual","registrant_type_code":"1","seats":2,"serial_number":"141428","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"CA","status":"Valid registration","status_code":"V","status_short":"Valid","street":"1177 HIGH SCHOOL WAY","street2":"","type_aircraft":"Fixed-wing, single engine","type_aircraft_code":"4","type_engine":"Piston (reciprocating)","type_engine_code":"1","unique_id":"01560052","url":"https://eflight.com/aircraft/N91ML","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":null,"zip":"940411911"}