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eFlight RegistryFAA data, updated daily
Maker · data as of September 25, 2026

Siewert Irving

1 aircraft on the U.S. register. The most recent registration was September 8, 2018.

Models

HATZ CB-11

States

Washington1

Registrations by year

0001112018

Aircraft newest first

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N33035 Siewert Irving
HATZ CB-1
Fixed-wing, single engine Individual owner
Washington
Experimental 2018-09-08 Valid