N139WS - 1984 Aero Vodochody L39C Aircraft Registration

N139WS is a 1984 Aero Vodochody L39C, a single-engine turbo-fan aircraft registered to National Test Pilot School in Mojave, CA. This aircraft holds a experimental airworthiness certificate issued by the Federal Aviation Administration on December 3, 2025. The registration certificate was issued on October 28, 2015. The registration is set to expire on October 31, 2028. Powered by a Ivchenko AI-25TL engine producing 3792 pounds of thrust, N139WS is. The aircraft's Mode S transponder code is A09EA5 (hex), used for ADS-B identification and flight tracking. N139WS was last tracked by AviatorDB near Mojave Airport (KMHV) on March 17, 2026. The FAA registry record for N139WS was last updated on June 16, 2023. AviatorDB monitors aircraft positions through ADS-B surveillance data and updates records as new position data is received.

Aero Vodochody is an aircraft manufacturer with aircraft registered in the FAA database tracked by AviatorDB. AviatorDB tracks 225 Aero Vodochody aircraft currently registered in the FAA database, including the L39C model.

AviatorDB has found no NTSB accident or incident reports involving N139WS. 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.