{"airworthiness_class":"Experimental","airworthiness_date":"2010-03-05","airworthiness_ops":"Amateur built","category":"conventional","cert_issue_date":"2025-10-21","city":"POSEN","country_code":"US","county_code":"141","cruise_speed_mph":null,"data_date":"2026-09-25","documents":[],"eng_mfr_mdl":"55562","engine_horsepower":65,"engine_maker":"ROTAX","engine_model":"582DCDI","engine_thrust_lb":0,"expiration_date":"2032-10-31","fractional_owner":0,"is_company":0,"is_electric":0,"is_unmanned_cert":0,"kit_mfr":"QUAD CITY ULTRALIGHT ACFT CORP","kit_model":"CHALLENGER II","last_action_date":"2025-10-21","maker":"Klemp Gregory J","maker_country":null,"maker_raw":"KLEMP GREGORY J","maker_segment":null,"mfr_mdl_code":"056281B","mode_s_code":"50073666","mode_s_hex":"A077B6","model":"CHALLENGER II","n_number":"N12911","name":"PEKRUL KEITH R","num_engines":1,"other_names":"","plain_english":"N12911 is a Klemp Gregory J CHALLENGER II, a fixed-wing airplane with one motor with a piston engine, built in 2009. It has 2 seats. It is registered to an individual in Posen, Michigan. The registration is valid: it was issued on October 21, 2025 and expires on October 31, 2032. It holds an experimental airworthiness certificate for amateur built, dated March 5, 2010.","region":"Great Lakes","region_code":"C","registrant_type":"Individual","registrant_type_code":"1","seats":2,"serial_number":"CH2-1296-1544","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"MI","status":"Valid registration","status_code":"V","status_short":"Valid","street":"1595 E WILK HWY","street2":"","type_aircraft":"Fixed-wing, single engine","type_aircraft_code":"4","type_engine":"Piston (reciprocating)","type_engine_code":"1","unique_id":"01038849","url":"https://staging.data.eflight.com/aircraft/N12911","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":2009,"zip":"497769423"}