{"airworthiness_class":"Standard","airworthiness_date":"2005-07-08","airworthiness_ops":"Transport","category":"conventional","cert_issue_date":"2026-07-23","city":"HELENA","country_code":"US","county_code":"049","cruise_speed_mph":null,"data_date":"2026-09-25","documents":[],"eng_mfr_mdl":"33902","engine_horsepower":0,"engine_maker":"HONEYWELL","engine_model":"TFE-731-SER","engine_thrust_lb":4000,"expiration_date":"2033-07-31","fractional_owner":0,"is_company":1,"is_electric":0,"is_unmanned_cert":0,"kit_mfr":"","kit_model":"","last_action_date":"2026-07-23","maker":"Dassault-Breguet","maker_country":null,"maker_raw":"DASSAULT-BREGUET","maker_segment":null,"mfr_mdl_code":"2730106","mode_s_code":"53372457","mode_s_hex":"ADF52F","model":"FALCON 50","n_number":"N999MK","name":"BIG HOLE AVIATION LLC","num_engines":3,"other_names":"","plain_english":"N999MK is a Dassault-Breguet FALCON 50, a fixed-wing airplane with more than one motor with turbofan engines, built in 1982. It has 10 seats. It is registered to Big Hole Aviation LLC, an LLC in Helena, Montana. The registration is valid: it was issued on July 23, 2026 and expires on July 31, 2033. It holds a standard airworthiness certificate for transport, dated July 8, 2005.","region":"Northwest Mountain","region_code":"S","registrant_type":"LLC","registrant_type_code":"7","seats":10,"serial_number":"84","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"MT","status":"Valid registration","status_code":"V","status_short":"Valid","street":"415 N BENTON AVE","street2":"","type_aircraft":"Fixed-wing, multi-engine","type_aircraft_code":"5","type_engine":"Turbofan","type_engine_code":"5","unique_id":"00633572","url":"https://staging.data.eflight.com/aircraft/N999MK","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":1982,"zip":"596015041"}