{"airworthiness_class":"Experimental","airworthiness_date":"1998-03-20","airworthiness_ops":"To show compliance with regulations","category":"conventional","cert_issue_date":"2023-08-07","city":"BILLINGS","country_code":"US","county_code":"111","cruise_speed_mph":null,"data_date":"2026-10-02","documents":[],"eng_mfr_mdl":"41555","engine_horsepower":2650,"engine_maker":"LYCOMING","engine_model":"T-55 SER TS","engine_thrust_lb":0,"expiration_date":"2030-08-31","fractional_owner":0,"is_company":1,"is_electric":0,"is_unmanned_cert":0,"kind":"helicopters","kit_mfr":"","kit_model":"","last_action_date":"2026-06-20","maker":"Boeing Helicopters","maker_country":null,"maker_raw":"BOEING HELICOPTERS","maker_segment":null,"mfr_mdl_code":"138260A","mode_s_code":"50730365","mode_s_hex":"A3B0F5","model":"CH-47D","n_number":"N337MT","name":"BILLINGS FLYING SERVICE LLC","ntsb_checked":true,"ntsb_records":[{"city":"Greer","damage":"SUBS","date":"2009-11-09","highest_injury":"SERS","ntsb_no":"ERA10LA056","probable_cause":"A loss of engine power due to fuel exhaustion as a result of the pilot\u2019s failure to visually verify that sufficient fuel was onboard prior to flight.","registration":"N337MT","state":"SC","summary":"Accident on November 9, 2009 at Greer, SC: serious injuries, substantial damage.","type":"ACC"}],"num_engines":2,"other_names":"","plain_english":"N337MT is a Boeing Helicopters CH-47D, a rotorcraft with turboshaft engines (a helicopter or multicopter), built in 1998. It has 44 seats. It is registered to Billings Flying Service LLC, a corporation in Billings, Montana. The registration is valid: it was issued on August 7, 2023 and expires on August 31, 2030. It holds an experimental airworthiness certificate for to show compliance with regulations, dated March 20, 1998.","records_check":[{"finding":"Valid registration to Billings Flying Service LLC, a corporation, certificate issued August 7, 2023, expires August 31, 2030. No fractional interest recorded.","item":"Registration and identity","source":1,"status":"CLEAR"},{"finding":"Experimental certificate for to show compliance with regulations, dated March 20, 1998, consistent with the 1998 manufacture year.","item":"Airworthiness certificate","source":1,"status":"CLEAR"},{"finding":"No earlier tail number is recorded against serial M4101 for this model in the deregistered file.","item":"Prior registrations of this airframe","source":2,"status":"CLEAR"},{"finding":"N337MT was previously assigned to 1 other aircraft: Raytheon Aircraft Company B200 (serial BB-1628, cancelled May 8, 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":"1 NTSB record under N337MT: Accident on November 9, 2009 at Greer, SC: serious 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":"Northwest Mountain","region_code":"S","registrant_type":"Corporation","registrant_type_code":"3","seats":44,"serial_number":"M4101","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"MT","status":"Valid registration","status_code":"V","status_short":"Valid","street":"3655 AJ WAY","street2":"","type_aircraft":"Rotorcraft","type_aircraft_code":"6","type_engine":"Turboshaft","type_engine_code":"3","unique_id":"00327111","url":"https://eflight.com/aircraft/N337MT","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":1998,"zip":"591069745"}