{"airworthiness_class":"Standard","airworthiness_date":"1973-10-08","airworthiness_ops":"Normal","category":"conventional","cert_issue_date":"2025-05-21","city":"INDIAN HILLS","country_code":"US","county_code":"059","cruise_speed_mph":165,"data_date":"2026-09-25","documents":[],"eng_mfr_mdl":"17032","engine_horsepower":285,"engine_maker":"CONT MOTOR","engine_model":"IO 520 SERIES","engine_thrust_lb":0,"expiration_date":"2032-05-31","fractional_owner":0,"is_company":1,"is_electric":0,"is_unmanned_cert":0,"kit_mfr":"","kit_model":"","last_action_date":"2025-05-21","maker":"Beech","maker_country":null,"maker_raw":"BEECH","maker_segment":null,"mfr_mdl_code":"1152732","mode_s_code":"51607226","mode_s_hex":"A70E96","model":"E-55","n_number":"N554DD","name":"MHR HOLDINGS LLC","num_engines":2,"other_names":"","plain_english":"N554DD is a Beech E-55, a fixed-wing airplane with more than one motor with a piston engine, built in 1973. It has 6 seats. It is registered to Mhr Holdings LLC, an LLC in Indian Hills, Colorado. The registration is valid: it was issued on May 21, 2025 and expires on May 31, 2032. It holds a standard airworthiness certificate for normal, dated October 8, 1973.","region":"Northwest Mountain","region_code":"S","registrant_type":"LLC","registrant_type_code":"7","seats":6,"serial_number":"TE-943","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"CO","status":"Valid registration","status_code":"V","status_short":"Valid","street":"PO BOX 126","street2":"","type_aircraft":"Fixed-wing, multi-engine","type_aircraft_code":"5","type_engine":"Piston (reciprocating)","type_engine_code":"1","unique_id":"00273062","url":"https://staging.data.eflight.com/aircraft/N554DD","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":1973,"zip":"804540126"}