{"airworthiness_class":"Experimental","airworthiness_date":"2023-12-22","airworthiness_ops":"Research and development","category":"conventional","cert_issue_date":"2025-10-08","city":"MCCLELLAN","country_code":"US","county_code":"113","cruise_speed_mph":null,"data_date":"2026-10-02","documents":[],"eng_mfr_mdl":"30155","engine_horsepower":1994,"engine_maker":"GE","engine_model":"T700-GE-701D","engine_thrust_lb":0,"expiration_date":"2032-10-31","fractional_owner":0,"is_company":1,"is_electric":0,"is_unmanned_cert":0,"kind":"helicopters","kit_mfr":"","kit_model":"","last_action_date":"2025-10-08","maker":"Sikorsky","maker_country":null,"maker_raw":"SIKORSKY","maker_segment":null,"mfr_mdl_code":"05633JZ","mode_s_code":"51273044","mode_s_hex":"A57624","model":"S-70I","n_number":"N451DF","name":"CALIFORNIA DEPT OF FORESTRY & FIRE PROTECTION","ntsb_checked":true,"ntsb_records":[],"num_engines":2,"other_names":"","plain_english":"N451DF is a Sikorsky S-70I, a rotorcraft with turboshaft engines (a helicopter or multicopter), built in 2022. It has 15 seats. It is registered to California Dept Of Forestry & Fire Protection, a government body in Mcclellan, California. The registration is valid: it was issued on October 8, 2025 and expires on October 31, 2032. It holds an experimental airworthiness certificate for research and development, dated December 22, 2023.","records_check":[{"finding":"Valid registration to California Dept Of Forestry & Fire Protection, a government body, certificate issued October 8, 2025, expires October 31, 2032. No fractional interest recorded.","item":"Registration and identity","source":1,"status":"CLEAR"},{"finding":"Experimental certificate for research and development, dated December 22, 2023, consistent with the 2022 manufacture year.","item":"Airworthiness certificate","source":1,"status":"CLEAR"},{"finding":"No earlier tail number is recorded against serial 705337 for this model in the deregistered file.","item":"Prior registrations of this airframe","source":2,"status":"CLEAR"},{"finding":"N451DF was previously assigned to 2 other aircraft: Grumman TS-2A (serial 136639, cancelled August 18, 1988); Grumman S2F-1 (TS-2A) (serial 027, cancelled date not given). 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 N451DF. 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":"Government","registrant_type_code":"5","seats":15,"serial_number":"705337","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"CA","status":"Valid registration","status_code":"V","status_short":"Valid","street":"5500 PRICE AVE","street2":"","type_aircraft":"Rotorcraft","type_aircraft_code":"6","type_engine":"Turboshaft","type_engine_code":"3","unique_id":"01356191","url":"https://eflight.com/aircraft/N451DF","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":2022,"zip":"956522438"}