{"airworthiness_class":"Standard","airworthiness_date":"1998-06-02","airworthiness_ops":"Normal","category":"conventional","cert_issue_date":"2025-02-18","city":"BELLEFONTAINE","country_code":"US","county_code":"091","cruise_speed_mph":90,"data_date":"2026-10-02","documents":[],"eng_mfr_mdl":"17046","engine_horsepower":300,"engine_maker":"CONT MOTOR","engine_model":"GTSIO-520 SER","engine_thrust_lb":0,"expiration_date":"2032-02-29","fractional_owner":0,"is_company":0,"is_electric":0,"is_unmanned_cert":0,"kind":"piston-twins","kit_mfr":"","kit_model":"","last_action_date":"2025-02-18","maker":"Cessna","maker_country":null,"maker_raw":"CESSNA","maker_segment":null,"mfr_mdl_code":"2076016","mode_s_code":"50334312","mode_s_hex":"A1B8CA","model":"421C","n_number":"N21SS","name":"MIDWEST CORPORATE AIR INC","ntsb_checked":true,"ntsb_records":[],"num_engines":2,"other_names":"BLACKJACK AVIATION LLC","plain_english":"N21SS is a Cessna 421C, a fixed-wing airplane with more than one motor with a piston engine, built in 1978. It has 8 seats. It is registered to co-owned owners in Bellefontaine, Ohio. The registration is valid: it was issued on February 18, 2025 and expires on February 29, 2032. It holds a standard airworthiness certificate for normal, dated June 2, 1998.","records_check":[{"finding":"Valid registration to Midwest Corporate Air INC, a co-owned, certificate issued February 18, 2025, expires February 29, 2032. No fractional interest recorded.","item":"Registration and identity","source":1,"status":"CLEAR"},{"finding":"The airworthiness certificate on file is dated June 2, 1998, 20 years after the 1978 manufacture year. A re-issued certificate commonly follows export and re-import, a rebuild, or a return to the register after cancellation. The cause is documented in the FAA aircraft records file, which the full report obtains.","item":"Airworthiness certificate date","source":1,"status":"ATTENTION"},{"finding":"No earlier tail number is recorded against serial 421C0473 for this model in the deregistered file.","item":"Prior registrations of this airframe","source":2,"status":"CLEAR"},{"finding":"N21SS was previously assigned to 1 other aircraft: Raven S-50A (serial S50A236, cancelled November 21, 1995). Histories keyed to the tail number alone can mix aircraft up; this check keys on the serial number.","item":"Tail number reuse","source":2,"status":"ATTENTION"},{"finding":"No bills of sale, loans or releases have reached the registry in recent weeks. The index covers only recent filings; older liens are in the records file.","item":"Recent registry documents","source":3,"status":"NOTE"},{"finding":"No NTSB investigation records located under N21SS. CLEAR means the query ran and returned nothing, not that nothing ever happened.","item":"Accident and incident record","source":4,"status":"CLEAR"},{"finding":"These live in the FAA aircraft records file (every document ever filed against the aircraft) and, for larger aircraft, the International Registry. Part of the full report.","item":"Title chain, liens and 337 forms","source":null,"status":"PENDING"},{"finding":"AD compliance against the logbooks and flight-activity reconciliation are researched layers of the full report.","item":"Airworthiness directives and utilization","source":null,"status":"PENDING"}],"records_check_sources":[{"n":1,"name":"FAA Releasable Aircraft Database, master file","url":"https://registry.faa.gov/"},{"n":2,"name":"FAA deregistered aircraft file (part of the same download)","url":"https://registry.faa.gov/"},{"n":3,"name":"FAA document index: registry documents received in recent weeks","url":"https://registry.faa.gov/"},{"n":4,"name":"NTSB aviation accident database (CAROL)","url":"https://data.ntsb.gov/carol-main-public/basic-search"}],"region":"Great Lakes","region_code":"C","registrant_type":"Co-owned","registrant_type_code":"4","seats":8,"serial_number":"421C0473","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"OH","status":"Valid registration","status_code":"V","status_short":"Valid","street":"PO BOX 87","street2":"","type_aircraft":"Fixed-wing, multi-engine","type_aircraft_code":"5","type_engine":"Piston (reciprocating)","type_engine_code":"1","unique_id":"00475052","url":"https://eflight.com/aircraft/N21SS","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":1978,"zip":"433110087"}