N139WS

1984 Aero Vodochody L39C

Fixed-wing, single engine · serial 432931

Valid registration

Registered with the FAA until Oct 31, 2028.

Registered owner

National Test Pilot School

Owner type
Corporation
Address
1030 Flight Line Ste 72, Mojave, CA 93501

Aircraft

Make and model
Aero Vodochody L39C
Year built
1984
Serial number
432931
Type
Fixed-wing, single engine · Land
Engines
1 × Turbofan · Ivchenko AI-25TL · 3,792 lb thrust
Seats
1
Weight class
Up to 12,499 lb
Certification
Amateur-built or kit (not type certificated) · Experimental airworthiness (issued Dec 3, 2025)
Mode S code
A09EA5 (the transponder's ICAO address, used by ADS-B flight trackers)
Registered since
Oct 28, 2015 · last FAA action Jun 16, 2023