{"airworthiness_class":"Standard","airworthiness_date":"2005-03-23","airworthiness_ops":"Normal","category":"conventional","cert_issue_date":"2010-04-27","city":"KETCHIKAN","country_code":"US","county_code":"130","cruise_speed_mph":null,"data_date":"2026-09-25","documents":[{"collateral_type":"Aircraft","doc_type":"Bill of sale (evidence of ownership)","party":"","receipt_date":"2026-09-02"},{"collateral_type":"Aircraft","doc_type":"Bill of sale (evidence of ownership)","party":"","receipt_date":"2026-09-02"}],"eng_mfr_mdl":"41530","engine_horsepower":300,"engine_maker":"LYCOMING","engine_model":"IO-540 SER","engine_thrust_lb":0,"expiration_date":"2030-01-31","fractional_owner":0,"is_company":1,"is_electric":0,"is_unmanned_cert":0,"kit_mfr":"","kit_model":"","last_action_date":"2023-09-29","maker":"Robinson Helicopter","maker_country":"US","maker_raw":"ROBINSON HELICOPTER COMPANY","maker_segment":"Helicopter","mfr_mdl_code":"7640122","mode_s_code":"52422377","mode_s_hex":"AA24FF","model":"R44 II","n_number":"N7528Z","name":"CASTOR AVIATION LTD","num_engines":1,"other_names":"","plain_english":"N7528Z is a Robinson Helicopter R44 II, a rotorcraft with a piston engine (a helicopter or multicopter), built in 2004. It has 4 seats. It is registered to Castor Aviation LTD, a corporation in Ketchikan, Alaska. The registration is valid: it was issued on April 27, 2010 and expires on January 31, 2030. It holds a standard airworthiness certificate for normal, dated March 23, 2005. 2 documents are on file: 2 \u00d7 bill of sale (evidence of ownership).","region":"Alaskan","region_code":"5","registrant_type":"Corporation","registrant_type_code":"3","seats":4,"serial_number":"10384","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"AK","status":"Valid registration","status_code":"V","status_short":"Valid","street":"1515 TONGASS AVE","street2":"","type_aircraft":"Rotorcraft","type_aircraft_code":"6","type_engine":"Piston (reciprocating)","type_engine_code":"1","unique_id":"00112449","url":"https://staging.data.eflight.com/aircraft/N7528Z","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":2004,"zip":"999016011"}