{"airworthiness_class":"Experimental","airworthiness_date":"1996-05-14","airworthiness_ops":"Amateur built","category":"conventional","cert_issue_date":"2020-04-27","city":"AYR","country_code":"US","county_code":"017","cruise_speed_mph":null,"data_date":"2026-09-25","documents":[],"eng_mfr_mdl":"41510","engine_horsepower":170,"engine_maker":"LYCOMING","engine_model":"0-340 SERIES","engine_thrust_lb":0,"expiration_date":"2027-04-30","fractional_owner":0,"is_company":1,"is_electric":0,"is_unmanned_cert":0,"kit_mfr":"","kit_model":"","last_action_date":"2023-01-22","maker":"Underland G / Grothe L","maker_country":null,"maker_raw":"UNDERLAND G / GROTHE L","maker_segment":null,"mfr_mdl_code":"05608TF","mode_s_code":"50334174","mode_s_hex":"A1B87C","model":"V-6","n_number":"N21PP","name":"CLINTON PUEPPKE","num_engines":1,"other_names":"PTERSON KEN / PETERSON ZACH","plain_english":"N21PP is an Underland G / Grothe L V-6, a fixed-wing airplane with one motor with a piston engine. It has 4 seats. It is registered to Clinton Pueppke, a partnership in Ayr, North Dakota. The registration is valid: it was issued on April 27, 2020 and expires on April 30, 2027. It holds an experimental airworthiness certificate for amateur built, dated May 14, 1996.","region":"Great Lakes","region_code":"C","registrant_type":"Partnership","registrant_type_code":"2","seats":4,"serial_number":"11","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"ND","status":"Valid registration","status_code":"V","status_short":"Valid","street":"2526 147TH AVE SE","street2":"","type_aircraft":"Fixed-wing, single engine","type_aircraft_code":"4","type_engine":"Piston (reciprocating)","type_engine_code":"1","unique_id":"00393772","url":"https://staging.data.eflight.com/aircraft/N21PP","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":null,"zip":"580079715"}