{"airworthiness_class":"Standard","airworthiness_date":"1997-03-10","airworthiness_ops":"Normal","category":"conventional","cert_issue_date":"2026-09-14","city":"WILMINGTON","country_code":"US","county_code":"003","cruise_speed_mph":null,"data_date":"2026-10-02","documents":[{"collateral_type":"Aircraft","doc_type":"Bill of sale (evidence of ownership)","doc_type_code":"BOS","party":"","receipt_date":"2026-09-11"}],"eng_mfr_mdl":"66000","engine_horsepower":0,"engine_maker":"WILLIAMS","engine_model":"FJ 44 SERIES","engine_thrust_lb":1900,"expiration_date":"2033-09-30","fractional_owner":0,"is_company":1,"is_electric":0,"is_unmanned_cert":0,"kind":"business-jets","kit_mfr":"","kit_model":"","last_action_date":"2026-09-14","maker":"Cessna","maker_country":null,"maker_raw":"CESSNA","maker_segment":null,"mfr_mdl_code":"2076601","mode_s_code":"53165400","mode_s_hex":"ACEB00","model":"525","n_number":"N931SR","name":"ISR AVIATION LLC","ntsb_checked":true,"ntsb_records":[],"num_engines":2,"other_names":"","plain_english":"N931SR is a Cessna 525, a fixed-wing airplane with more than one motor with turbofan engines. It has 8 seats. It is registered to ISR Aviation LLC, an LLC in Wilmington, Delaware. The registration is valid: it was issued on September 14, 2026 and expires on September 30, 2033. It holds a standard airworthiness certificate for normal, dated March 10, 1997. 1 document is on file: bill of sale (evidence of ownership).","records_check":[{"finding":"Valid registration to ISR Aviation LLC, an LLC, certificate issued September 14, 2026, expires September 30, 2033. No fractional interest recorded.","item":"Registration and identity","source":1,"status":"CLEAR"},{"finding":"Standard certificate for normal; the FAA file gives no certificate date and no manufacture year.","item":"Airworthiness certificate","source":1,"status":"NOTE"},{"finding":"No earlier tail number is recorded against serial 525-0175 for this model in the deregistered file.","item":"Prior registrations of this airframe","source":2,"status":"CLEAR"},{"finding":"No other airframe has carried N931SR according to the deregistered file.","item":"Tail number reuse","source":2,"status":"CLEAR"},{"finding":"1 document received recently: Bill of sale (evidence of ownership) (September 11, 2026).","item":"Recent registry documents","source":3,"status":"NOTE"},{"finding":"No NTSB investigation records located under N931SR. 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":"Eastern","region_code":"1","registrant_type":"LLC","registrant_type_code":"7","seats":8,"serial_number":"525-0175","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"DE","status":"Valid registration","status_code":"V","status_short":"Valid","street":"2801 CENTERVILLE RD FL 1 PMB 8229","street2":"","type_aircraft":"Fixed-wing, multi-engine","type_aircraft_code":"5","type_engine":"Turbofan","type_engine_code":"5","unique_id":"00686191","url":"https://eflight.com/aircraft/N931SR","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":null,"zip":"19808"}