{"airworthiness_class":"Standard","airworthiness_date":"2006-01-15","airworthiness_ops":"Transport","category":"conventional","cert_issue_date":"2024-01-23","city":"FAYETTEVILLE","country_code":"US","county_code":"143","cruise_speed_mph":null,"data_date":"2026-10-02","documents":[],"eng_mfr_mdl":"33918","engine_horsepower":0,"engine_maker":"HONEYWELL","engine_model":"TFE731-20AR","engine_thrust_lb":3650,"expiration_date":"2031-01-31","fractional_owner":0,"is_company":1,"is_electric":0,"is_unmanned_cert":0,"kind":"business-jets","kit_mfr":"","kit_model":"","last_action_date":"2024-06-11","maker":"Learjet Inc","maker_country":null,"maker_raw":"LEARJET INC","maker_segment":null,"mfr_mdl_code":"5170805","mode_s_code":"50334127","mode_s_hex":"A1B857","model":"45","n_number":"N21NB","name":"NORTHBOUND AIR LLC","ntsb_checked":true,"ntsb_records":[{"city":"FORT WORTH","damage":"SUBS","date":"1998-02-27","highest_injury":"MINR","ntsb_no":"FTW98LA134","probable_cause":"A total hydraulic system failure for an undetermined reason.","registration":"N21NB","state":"TX","summary":"Accident on February 27, 1998 at Fort Worth, TX: minor injuries, substantial damage.","type":"ACC"}],"num_engines":2,"other_names":"","plain_english":"N21NB is a Learjet Inc 45, a fixed-wing airplane with more than one motor with turbofan engines, built in 2006. It has 12 seats. It is registered to Northbound Air LLC, an LLC in Fayetteville, Arkansas. The registration is valid: it was issued on January 23, 2024 and expires on January 31, 2031. It holds a standard airworthiness certificate for transport, dated January 15, 2006.","records_check":[{"finding":"Valid registration to Northbound Air LLC, an LLC, certificate issued January 23, 2024, expires January 31, 2031. No fractional interest recorded.","item":"Registration and identity","source":1,"status":"CLEAR"},{"finding":"Standard certificate for transport, dated January 15, 2006, consistent with the 2006 manufacture year.","item":"Airworthiness certificate","source":1,"status":"CLEAR"},{"finding":"No earlier tail number is recorded against serial 2045 for this model in the deregistered file.","item":"Prior registrations of this airframe","source":2,"status":"CLEAR"},{"finding":"N21NB was previously assigned to 1 other aircraft: Burchinal I N A4D-2 (serial 011, cancelled August 21, 2013). 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":"1 NTSB record under N21NB: Accident on February 27, 1998 at Fort Worth, TX: minor injuries, substantial damage. Details below.","item":"Accident and incident record","source":4,"status":"ATTENTION"},{"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":"Southwestern","region_code":"2","registrant_type":"LLC","registrant_type_code":"7","seats":12,"serial_number":"2045","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"AR","status":"Valid registration","status_code":"V","status_short":"Valid","street":"1200 E JOYCE BLVD FL 1","street2":"","type_aircraft":"Fixed-wing, multi-engine","type_aircraft_code":"5","type_engine":"Turbofan","type_engine_code":"5","unique_id":"00196939","url":"https://eflight.com/aircraft/N21NB","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":2006,"zip":"727035189"}