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Registered aircraft · FAA record as of September 25, 2026
N439ML

Aero Vodochody L-39ZO

Valid Montana

N439ML is an Aero Vodochody L-39ZO, a fixed-wing airplane with one motor with turbofan engines, built in 1979. It has 2 seats. It is registered to East Boulder LLC, an LLC in Mc Leod, Montana. The registration is valid: it was issued on November 27, 2023 and expires on November 30, 2030. It holds an experimental airworthiness certificate for exhibition, dated December 5, 2025.

Aircraft

Maker
Aero Vodochody
Model
L-39ZO
Serial number
731020
Type
Fixed-wing, single engine
Power
Turbofan, 1 motor
Seats
2
Year built
1979
Transponder code
A545AB (octal 51242653)

Registration

Status
Valid registration
Certificate issued
November 27, 2023
Expires
November 30, 2030
Last FAA action
April 15, 2025
Airworthiness
Experimental · Exhibition · December 5, 2025
FAA region
Northwest Mountain
FAA record id
00523687

Owner as the FAA publishes it

Name
East Boulder LLC
Type
LLC
Address
635 E Boulder Rd
Mc Leod, MT 59052-8854

Owners can ask the FAA to withhold their name and address from public files. When they do, those fields are blank here as well. How that works.

Documents on file 0

No bills of sale, loans or other documents are indexed against this tail number.

Source: FAA Civil Aviation Registry, Releasable Aircraft Database, September 25, 2026. See this record on the FAA site · This record as data