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Maker · data as of September 25, 2026

Ludtke Bennett A

2 aircraft on the U.S. register. The most recent registration was October 12, 2022.

Models

PROTECH PT-21KOLB MARK III1

States

Wisconsin1Oklahoma1

Registrations by year

0001112022

Aircraft newest first

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N79BN Ludtke Bennett A
PROTECH PT-2
Fixed-wing, single engine Individual owner
Oklahoma
Experimental 2022-10-12 Valid
N39BL Ludtke Bennett A
KOLB MARK III
Fixed-wing, single engine Individual owner
Wisconsin
Experimental 2012-10-03 Valid