{"airworthiness_class":"Experimental","airworthiness_date":"2007-06-13","airworthiness_ops":"Amateur built","category":"conventional","cert_issue_date":"2023-12-13","city":"CINCINNATI","country_code":"US","county_code":"061","cruise_speed_mph":null,"data_date":"2026-09-25","documents":[],"eng_mfr_mdl":"41798","engine_horsepower":260,"engine_maker":"LYCOMING","engine_model":"IO-540-D4A5","engine_thrust_lb":0,"expiration_date":"2030-12-31","fractional_owner":0,"is_company":1,"is_electric":0,"is_unmanned_cert":0,"kit_mfr":"VANS AIRCRAFT INC","kit_model":"RV-10","last_action_date":"2023-12-13","maker":"Marlow R/Rothhaar D","maker_country":null,"maker_raw":"MARLOW R/ROTHHAAR D","maker_segment":null,"mfr_mdl_code":"05622LQ","mode_s_code":"51554417","mode_s_hex":"A6D90F","model":"VANS RV-10","n_number":"N540MR","name":"GRINSTEAD HOLDINGS LLC","num_engines":1,"other_names":"","plain_english":"N540MR is a Marlow R/Rothhaar D VANS RV-10, a fixed-wing airplane with one motor with a piston engine, built in 2007. It has 4 seats. It is registered to Grinstead Holdings LLC, an LLC in Cincinnati, Ohio. The registration is valid: it was issued on December 13, 2023 and expires on December 31, 2030. It holds an experimental airworthiness certificate for amateur built, dated June 13, 2007.","region":"Great Lakes","region_code":"C","registrant_type":"LLC","registrant_type_code":"7","seats":4,"serial_number":"40157","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"OH","status":"Valid registration","status_code":"V","status_short":"Valid","street":"6280 CLOUGH PIKE","street2":"","type_aircraft":"Fixed-wing, single engine","type_aircraft_code":"4","type_engine":"Piston (reciprocating)","type_engine_code":"1","unique_id":"00309009","url":"https://staging.data.eflight.com/aircraft/N540MR","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":2007,"zip":"452443961"}