{"airworthiness_class":"Standard","airworthiness_date":"2004-08-23","airworthiness_ops":"Normal; Utility","category":"conventional","cert_issue_date":"2007-02-05","city":"ELYRIA","country_code":"US","county_code":"093","cruise_speed_mph":null,"data_date":"2026-10-02","documents":[],"eng_mfr_mdl":"41515","engine_horsepower":180,"engine_maker":"LYCOMING","engine_model":"I0360 SER","engine_thrust_lb":0,"expiration_date":"2029-10-31","fractional_owner":0,"is_company":1,"is_electric":0,"is_unmanned_cert":0,"kind":"piston-singles","kit_mfr":"","kit_model":"","last_action_date":"2023-09-09","maker":"Diamond Aircraft","maker_country":"AT","maker_raw":"DIAMOND AIRCRAFT IND INC","maker_segment":"Piloted electric and eVTOL","mfr_mdl_code":"2990002","mode_s_code":"52603537","mode_s_hex":"AB075F","model":"DA 40","n_number":"N81DS","name":"MARATHON LEASING INC","ntsb_checked":true,"ntsb_records":[{"city":"LOS LUNAS","damage":"SUBS","date":"1988-02-28","highest_injury":"SERS","ntsb_no":"DEN88LA081","probable_cause":"","registration":"N81DS","state":"NM","summary":"Accident on February 28, 1988 at Los Lunas, NM: serious injuries, substantial damage.","type":"ACC"},{"city":"LITTLETON","damage":"SUBS","date":"1985-01-13","highest_injury":"NONE","ntsb_no":"DEN85LA078","probable_cause":"","registration":"N81DS","state":"CO","summary":"Accident on January 13, 1985 at Littleton, CO: no injuries, substantial damage.","type":"ACC"}],"num_engines":1,"other_names":"","plain_english":"N81DS is a Diamond Aircraft DA 40, a fixed-wing airplane with one motor with a piston engine, built in 2004. It has 4 seats. It is registered to Marathon Leasing INC, a corporation in Elyria, Ohio. The registration is valid: it was issued on February 5, 2007 and expires on October 31, 2029. It holds a standard airworthiness certificate for normal; utility, dated August 23, 2004.","records_check":[{"finding":"Valid registration to Marathon Leasing INC, a corporation, certificate issued February 5, 2007, expires October 31, 2029. No fractional interest recorded.","item":"Registration and identity","source":1,"status":"CLEAR"},{"finding":"Standard certificate for normal; utility, dated August 23, 2004, consistent with the 2004 manufacture year.","item":"Airworthiness certificate","source":1,"status":"CLEAR"},{"finding":"No earlier tail number is recorded against serial 40.406 for this model in the deregistered file.","item":"Prior registrations of this airframe","source":2,"status":"CLEAR"},{"finding":"N81DS was previously assigned to 1 other aircraft: Raven S55A (serial S55A-748, cancelled May 15, 2002). 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 N81DS: Accident on February 28, 1988 at Los Lunas, NM: serious injuries, substantial damage. Accident on January 13, 1985 at Littleton, CO: 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":"Great Lakes","region_code":"C","registrant_type":"Corporation","registrant_type_code":"3","seats":4,"serial_number":"40.406","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"OH","status":"Valid registration","status_code":"V","status_short":"Valid","street":"100 FREEDOM CT","street2":"","type_aircraft":"Fixed-wing, single engine","type_aircraft_code":"4","type_engine":"Piston (reciprocating)","type_engine_code":"1","unique_id":"00126499","url":"https://eflight.com/aircraft/N81DS","watchlist_group":"Electric airplane","watchlist_note":"eDA40 electric trainer, Austria","weight_class":"","year_mfr":2004,"zip":"440352245"}