N139WS V

This aircraft — FAA registration facts

N139WS is a 1984 Aero Vodochody L39C (serial 432931), registered to National Test Pilot School (corporation) in Mojave, CA. Its FAA registration is recorded as v and expires October 2028; the airworthiness certificate dates from December 2025. It carries a Ivchenko AI-25TL engine rated at 3,792 lbf, the engine on 41% of registered Aero Vodochody L39Cs. Its Mode-S transponder broadcasts the ICAO 24-bit address A09EA5. It is one of 101 Aero Vodochody L39C aircraft on the FAA registry. National Test Pilot School holds 35 aircraft on the registry.

Registered owner

National Test Pilot School

Owner type

Corporation

Based in

Mojave, CA

Serial number

432931

Year built

1984 · 42 yrs old

Airworthiness class

415

FAA status

V

Mode-S / ICAO24

A09EA5 · 50117245 octal

Certificate issued

Oct 28, 2015

Airworthiness date

Dec 3, 2025

Last FAA activity

Jun 16, 2023

Registration expires

Oct 31, 2028

FAA region

4

Source: FAA aircraft registry (public record). Community reviews and photos below.

Engine on this aircraft

Engine

Ivchenko AI-25TL

Engine type

Turbo-fan

Rated thrust

3,792 lbf

FAA engine code

34703

40 of the 98 registered Aero Vodochody L39C carry this engine (41%), across 5 engine variants on the type.

Source: FAA engine reference (ENGINE.txt), matched on this registration's engine code.

Community facts about N139WS

Reported by pilots, owners and enthusiasts — community-reported and admin-checked before they publish. Always verify anything important against the aircraft's records.