{"airworthiness_class":"","airworthiness_date":"","airworthiness_ops":"","category":"drone","cert_issue_date":"2024-12-23","city":"OAK RIDGE","country_code":"US","county_code":"001","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":"2031-12-31","fractional_owner":0,"is_company":1,"is_electric":1,"is_unmanned_cert":0,"kind":"drones","kit_mfr":"","kit_model":"","last_action_date":"2024-12-23","maker":"Skydio","maker_country":"US","maker_raw":"SKYDIO INC","maker_segment":"Inspection and mapping drones","mfr_mdl_code":"06102IJ","mode_s_code":"51313114","mode_s_hex":"A5964C","model":"X10","n_number":"N4593","name":"U S DEPARTMENT OF ENERGY","ntsb_checked":true,"ntsb_records":[{"city":"WEINER","damage":"SUBS","date":"1993-05-27","highest_injury":"NONE","ntsb_no":"FTW93LA169","probable_cause":"PARTIAL POWER LOSS DUE TO IMPROPER INSTALLATION OF THE LINKAGE CONTROL BRACKET. A FACTOR WAS THE LACK OF SUITABLE TERRAIN FOR THE FORCED LANDING.","registration":"N4593","state":"AR","summary":"Accident on May 27, 1993 at Weiner, AR: no injuries, substantial damage.","type":"ACC"},{"city":"CHAMERLAIN","damage":"SUBS","date":"1984-07-25","highest_injury":"NONE","ntsb_no":"DEN84LA235","probable_cause":"","registration":"N4593","state":"SD","summary":"Accident on July 25, 1984 at Chamerlain, SD: no injuries, substantial damage.","type":"ACC"}],"num_engines":4,"other_names":"","plain_english":"N4593 is a Skydio X10, a rotorcraft powered by electric motors (a helicopter or multicopter). It is unmanned. It is registered to U S Department Of Energy, a government body in Oak Ridge, Tennessee. The registration is valid: it was issued on December 23, 2024 and expires on December 31, 2031. 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 U S Department Of Energy, a government body, certificate issued December 23, 2024, expires December 31, 2031. 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 1668BR40EA00NN44 for this model in the deregistered file.","item":"Prior registrations of this airframe","source":2,"status":"CLEAR"},{"finding":"N4593 was previously assigned to 1 other aircraft: Grumman G-164A (serial 1082, cancelled April 30, 2013). 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":"2 NTSB records under N4593: Accident on May 27, 1993 at Weiner, AR: no injuries, substantial damage. Accident on July 25, 1984 at Chamerlain, SD: no injuries, substantial damage. 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":"Central","region_code":"3","registrant_type":"Government","registrant_type_code":"5","seats":0,"serial_number":"1668BR40EA00NN44","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"TN","status":"Valid registration","status_code":"V","status_short":"Valid","street":"C/O OAK RIDGE NATIONAL LABORATORY","street2":"PO BOX 2008 MS-6151","type_aircraft":"Rotorcraft","type_aircraft_code":"6","type_engine":"Electric","type_engine_code":"10","unique_id":"01477656","url":"https://eflight.com/aircraft/N4593","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":null,"zip":"37830"}