Maker · data as of September 25, 2026David W Koenig
2 aircraft on the U.S. register. The most recent registration was February 8, 2023.
Registrations by year
Aircraft newest first
| Tail no. | Maker and model | Group | Owner and base | Certificate | Registered | Status |
| 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
|