N439ML V

This aircraft — FAA registration facts

N439ML is a 1979 Aero Vodochody L-39ZO (serial 731020), registered to East Boulder LLC (LLC) in Mc Leod, MT. Its FAA registration is recorded as v and expires November 2030; the airworthiness certificate dates from December 2025. It carries a Ama/Expr UNKNOWN ENG engine, the engine on 25% of registered Aero Vodochody L-39ZOs. Its Mode-S transponder broadcasts the ICAO 24-bit address A545AB. It is one of 5 Aero Vodochody L-39ZO aircraft on the FAA registry. East Boulder LLC holds 3 aircraft on the registry.

Registered owner

East Boulder LLC

Owner type

LLC

Based in

Mc Leod, MT

Serial number

731020

Year built

1979 · 47 yrs old

Airworthiness class

43

FAA status

V

Mode-S / ICAO24

A545AB · 51242653 octal

Certificate issued

Nov 27, 2023

Airworthiness date

Dec 5, 2025

Last FAA activity

Apr 15, 2025

Registration expires

Nov 30, 2030

FAA region

S

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

Engine on this aircraft

Engine

Ama/Expr UNKNOWN ENG

Engine type

Turbo-fan

FAA engine code

99999

1 of the 4 registered Aero Vodochody L-39ZO carry this engine (25%), across 2 engine variants on the type.

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

Community facts about N439ML

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