FAA Aircraft Registry · Live Lookup · As of Apr 28, 2026

N51DU — Uhlenberg Donald M GREAT LAKES 2T1A

Rendered live from the FAA Aircraft Registry (refreshed weekly). This tail has no NTSB events or airworthiness directives indexed against it — type-level history is on the type page below.

Registration

Registrant

OKEEFE WILLIAM G

Registrant Type

Individual

Location

GRAND FORKS, ND

Status

Registration Valid

Certificate Issued

Sep 5, 2008

Airworthiness Date

Sep 1, 1988

Registration Expires

Jun 30, 2028

Last Action

May 19, 2023

Aircraft

Serial Number

7125-H519

Year Manufactured

1988

Aircraft Type

Fixed Wing Single Engine

Certification

Experimental (+1 flag)

Engine

LYCOMING O&VO-360 SER

Engines / Seats

1 / 2

Weight Class

CLASS 1

Mode S (Hex)

A65F74

Type History

Uhlenberg Donald M GREAT LAKES 2T1A type page → — 1 registered · 0 NTSB records · 0 airworthiness directives

Live position via ICAO24 A65F74

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