{"airworthiness_class":"Experimental","airworthiness_date":"2025-09-05","airworthiness_ops":"Research and development; Crew training","category":"conventional","cert_issue_date":"2025-08-18","city":"LEXINGTON","country_code":"US","county_code":"017","cruise_speed_mph":null,"data_date":"2026-09-25","documents":[],"eng_mfr_mdl":"30148","engine_horsepower":1750,"engine_maker":"GE","engine_model":"CT7-9B","engine_thrust_lb":0,"expiration_date":"2032-08-31","fractional_owner":0,"is_company":1,"is_electric":0,"is_unmanned_cert":0,"kit_mfr":"","kit_model":"","last_action_date":"2025-10-16","maker":"Saab","maker_country":null,"maker_raw":"SAAB","maker_segment":null,"mfr_mdl_code":"7860106","mode_s_code":"50715461","mode_s_hex":"A39B31","model":"SAAB 340B","n_number":"N331TB","name":"MASSACHUSETTS INSTITUTE OF TECHNOLOGY","num_engines":2,"other_names":"","plain_english":"N331TB is a Saab SAAB 340B, a fixed-wing airplane with more than one motor with turboprop engines, built in 1992. It has 37 seats. It is registered to Massachusetts Institute Of Technology, a corporation in Lexington, Massachusetts. The registration is valid: it was issued on August 18, 2025 and expires on August 31, 2032. It holds an experimental airworthiness certificate for research and development; crew training, dated September 5, 2025.","region":"New England","region_code":"E","registrant_type":"Corporation","registrant_type_code":"3","seats":37,"serial_number":"340B-331","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"MA","status":"Valid registration","status_code":"V","status_short":"Valid","street":"244 WOOD ST","street2":"","type_aircraft":"Fixed-wing, multi-engine","type_aircraft_code":"5","type_engine":"Turboprop","type_engine_code":"2","unique_id":"01278448","url":"https://staging.data.eflight.com/aircraft/N331TB","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":1992,"zip":"024216426"}