{"airworthiness_class":"Restricted","airworthiness_date":"1975-03-26","airworthiness_ops":"Agriculture and pest control","category":"conventional","cert_issue_date":"2013-02-04","city":"PERHAM","country_code":"US","county_code":"111","cruise_speed_mph":71,"data_date":"2026-10-02","documents":[],"eng_mfr_mdl":"41525","engine_horsepower":260,"engine_maker":"LYCOMING","engine_model":"VO-435 SERIES","engine_thrust_lb":0,"expiration_date":"2029-02-28","fractional_owner":0,"is_company":0,"is_electric":0,"is_unmanned_cert":0,"kind":"helicopters","kit_mfr":"","kit_model":"","last_action_date":"2023-07-18","maker":"Continental Copters-Segerstrom","maker_country":null,"maker_raw":"CONTINENTAL COPTERS-SEGERSTROM","maker_segment":null,"mfr_mdl_code":"2390304","mode_s_code":"51000727","mode_s_hex":"A401D7","model":"TOMCAT MK-5A (OH-13)","n_number":"N3575B","name":"LARSON MARK D","ntsb_checked":true,"ntsb_records":[],"num_engines":1,"other_names":"","plain_english":"N3575B is a Continental Copters-Segerstrom TOMCAT MK-5A (OH-13), a rotorcraft with a piston engine (a helicopter or multicopter), built in 1975. It has 1 seat. It is registered to an individual in Perham, Minnesota. The registration is valid: it was issued on February 4, 2013 and expires on February 28, 2029. It holds a restricted airworthiness certificate for agriculture and pest control, dated March 26, 1975.","records_check":[{"finding":"Valid registration to Larson Mark D, an individual, certificate issued February 4, 2013, expires February 28, 2029. No fractional interest recorded.","item":"Registration and identity","source":1,"status":"CLEAR"},{"finding":"Restricted certificate for agriculture and pest control, dated March 26, 1975, consistent with the 1975 manufacture year.","item":"Airworthiness certificate","source":1,"status":"CLEAR"},{"finding":"No earlier tail number is recorded against serial WS104 for this model in the deregistered file.","item":"Prior registrations of this airframe","source":2,"status":"CLEAR"},{"finding":"N3575B was previously assigned to 1 other aircraft: Beech B50 (serial CH-35, cancelled May 19, 1965). 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 N3575B. 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":"Great Lakes","region_code":"C","registrant_type":"Individual","registrant_type_code":"1","seats":1,"serial_number":"WS104","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"MN","status":"Valid registration","status_code":"V","status_short":"Valid","street":"PO BOX 186","street2":"","type_aircraft":"Rotorcraft","type_aircraft_code":"6","type_engine":"Piston (reciprocating)","type_engine_code":"1","unique_id":"00252973","url":"https://eflight.com/aircraft/N3575B","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":1975,"zip":"565730186"}