{"airworthiness_class":"Experimental","airworthiness_date":"1980-08-12","airworthiness_ops":"Amateur built","category":"conventional","cert_issue_date":"2007-07-18","city":"BALL","country_code":"US","county_code":"079","cruise_speed_mph":45,"data_date":"2026-09-25","documents":[],"eng_mfr_mdl":"43101","engine_horsepower":72,"engine_maker":"MCCULLOCH","engine_model":"4318A&E/0-100","engine_thrust_lb":0,"expiration_date":"2027-10-31","fractional_owner":0,"is_company":0,"is_electric":0,"is_unmanned_cert":0,"kit_mfr":"","kit_model":"","last_action_date":"2023-03-24","maker":"Grigsby","maker_country":null,"maker_raw":"GRIGSBY","maker_segment":null,"mfr_mdl_code":"13021C7","mode_s_code":"50650435","mode_s_hex":"A3511D","model":"B-8M","n_number":"N31234","name":"WIEGER WILLIAM F","num_engines":1,"other_names":"","plain_english":"N31234 is a Grigsby B-8M, a rotorcraft with a piston engine (a helicopter or multicopter), built in 1979. It has 1 seat. It is registered to an individual in Ball, Louisiana. The registration is valid: it was issued on July 18, 2007 and expires on October 31, 2027. It holds an experimental airworthiness certificate for amateur built, dated August 12, 1980.","region":"Southwestern","region_code":"2","registrant_type":"Individual","registrant_type_code":"1","seats":1,"serial_number":"101","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"LA","status":"Valid registration","status_code":"V","status_short":"Valid","street":"112 GAYVEN DR","street2":"","type_aircraft":"Rotorcraft","type_aircraft_code":"6","type_engine":"Piston (reciprocating)","type_engine_code":"1","unique_id":"00231463","url":"https://staging.data.eflight.com/aircraft/N31234","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":1979,"zip":"714054903"}