The U.S. aircraft register, updated daily · Carbon Free Flight by 2050
Maker · data as of October 2, 2026

David W Koenig

2 aircraft on the U.S. register. The most recent registration was February 8, 2023.

Models

THK901THK651

THK90 · THK65

States

Wisconsin2

Registrations by year

000111201912023

Aircraft newest first

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N920DK David W Koenig
THK90
Balloon Individual owner
Wisconsin
Experimental 2023-02-08 Valid
N173AU David W Koenig
THK65
Balloon Individual owner
Wisconsin
Experimental 2019-05-21 Valid