{"airworthiness_class":"Experimental","airworthiness_date":"2004-11-15","airworthiness_ops":"Amateur built","category":"conventional","cert_issue_date":"2004-04-28","city":"GRAND PRAIRIE","country_code":"US","county_code":"113","cruise_speed_mph":null,"data_date":"2026-09-25","documents":[],"eng_mfr_mdl":"99999","engine_horsepower":0,"engine_maker":"AMA/EXPR","engine_model":"UNKNOWN ENG","engine_thrust_lb":0,"expiration_date":"2030-01-31","fractional_owner":0,"is_company":0,"is_electric":0,"is_unmanned_cert":0,"kit_mfr":"","kit_model":"","last_action_date":"2023-09-30","maker":"Stephan Michael","maker_country":null,"maker_raw":"STEPHAN MICHAEL","maker_segment":null,"mfr_mdl_code":"05617M3","mode_s_code":"53353576","mode_s_hex":"ADD77E","model":"RV-8","n_number":"N991MS","name":"STEPHAN MICHAEL G","num_engines":1,"other_names":"","plain_english":"N991MS is a Stephan Michael RV-8, a fixed-wing airplane with one motor with a piston engine, built in 2004. It has 2 seats. It is registered to an individual in Grand Prairie, Texas. The registration is valid: it was issued on April 28, 2004 and expires on January 31, 2030. It holds an experimental airworthiness certificate for amateur built, dated November 15, 2004.","region":"Southwestern","region_code":"2","registrant_type":"Individual","registrant_type_code":"1","seats":2,"serial_number":"81382","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"TX","status":"Valid registration","status_code":"V","status_short":"Valid","street":"2745 GRAHAM ST","street2":"","type_aircraft":"Fixed-wing, single engine","type_aircraft_code":"4","type_engine":"Piston (reciprocating)","type_engine_code":"1","unique_id":"00104469","url":"https://staging.data.eflight.com/aircraft/N991MS","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":2004,"zip":"750504339"}