{"airworthiness_class":"Experimental","airworthiness_date":"2024-10-16","airworthiness_ops":"Exhibition","category":"conventional","cert_issue_date":"2025-09-02","city":"KALISPELL","country_code":"US","county_code":"029","cruise_speed_mph":112,"data_date":"2026-10-02","documents":[],"eng_mfr_mdl":"54179","engine_horsepower":420,"engine_maker":"ROLLS-ROYC","engine_model":"250-C20C","engine_thrust_lb":0,"expiration_date":"2032-09-30","fractional_owner":0,"is_company":1,"is_electric":0,"is_unmanned_cert":0,"kind":"helicopters","kit_mfr":"","kit_model":"","last_action_date":"2025-09-02","maker":"Bell","maker_country":null,"maker_raw":"BELL","maker_segment":null,"mfr_mdl_code":"1181579","mode_s_code":"51735714","mode_s_hex":"A7BBCC","model":"OH-58A","n_number":"N598GY","name":"AERIAL DEFENSE HOLDINGS LLC","ntsb_checked":true,"ntsb_records":[],"num_engines":1,"other_names":"","plain_english":"N598GY is a Bell OH-58A, a rotorcraft with turboshaft engines (a helicopter or multicopter), built in 1970. It has 4 seats. It is registered to Aerial Defense Holdings LLC, an LLC in Kalispell, Montana. The registration is valid: it was issued on September 2, 2025 and expires on September 30, 2032. It holds an experimental airworthiness certificate for exhibition, dated October 16, 2024.","records_check":[{"finding":"Valid registration to Aerial Defense Holdings LLC, an LLC, certificate issued September 2, 2025, expires September 30, 2032. No fractional interest recorded.","item":"Registration and identity","source":1,"status":"CLEAR"},{"finding":"The airworthiness certificate on file is dated October 16, 2024, 54 years after the 1970 manufacture year. A re-issued certificate commonly follows export and re-import, a rebuild, or a return to the register after cancellation. The cause is documented in the FAA aircraft records file, which the full report obtains.","item":"Airworthiness certificate date","source":1,"status":"ATTENTION"},{"finding":"No earlier tail number is recorded against serial 70-15598 for this model in the deregistered file.","item":"Prior registrations of this airframe","source":2,"status":"CLEAR"},{"finding":"No other airframe has carried N598GY according to the deregistered file.","item":"Tail number reuse","source":2,"status":"CLEAR"},{"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 N598GY. 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":"Northwest Mountain","region_code":"S","registrant_type":"LLC","registrant_type_code":"7","seats":4,"serial_number":"70-15598","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"MT","status":"Valid registration","status_code":"V","status_short":"Valid","street":"1001 S MAIN ST STE 49","street2":"","type_aircraft":"Rotorcraft","type_aircraft_code":"6","type_engine":"Turboshaft","type_engine_code":"3","unique_id":"01341856","url":"https://eflight.com/aircraft/N598GY","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":1970,"zip":"599015635"}