Aircraft Description
N21NB is a 2006 Learjet INC 45, a twin-engine turbo-fan aircraft registered to Northbound Air LLC in Fayetteville, AR. This aircraft holds a standard airworthiness certificate issued by the Federal Aviation Administration on January 15, 2006. The registration certificate was issued on January 23, 2024. The registration is set to expire on January 31, 2031. Powered by a Honeywell TFE731-20AR engine producing 3650 pounds of thrust, N21NB is. The aircraft's Mode S transponder code is A1B857 (hex), used for ADS-B identification and flight tracking. N21NB was last tracked by AviatorDB near Springdale Municipal Airport (KASG) on March 23, 2026. The FAA registry record for N21NB was last updated on June 11, 2024. AviatorDB monitors aircraft positions through ADS-B surveillance data and updates records as new position data is received.
Learjet, now part of Bombardier Aviation, produced lightweight, fast business jets that became synonymous with private aviation. From the original Lear 23 to the Learjet 75 Liberty, the brand symbolizes speed and luxury in business aviation. AviatorDB tracks 858 Learjet INC aircraft currently registered in the FAA database, including the 45 model.
AviatorDB has found no NTSB accident or incident reports involving N21NB. AviatorDB cross-references all FAA registration data with NTSB accident and incident reports, providing a comprehensive safety overview for every registered aircraft in the United States.
Registered Owner
Powerplant & Avionics
Additional Details
Last Known Position
Data Source
Data provided by the US Federal Aviation Administration. View on FAA.gov
Last updated: 2026-04-01 01:32:20 UTC