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Maker · data as of September 25, 2026

Koster Douglas D

1 aircraft on the U.S. register. The most recent registration was May 16, 1994.

Models

COZY MARK IV1

States

Illinois1

Registrations by year

No data

Aircraft newest first

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N66DK Koster Douglas D
COZY MARK IV
Fixed-wing, single engine Individual owner
Illinois
Experimental 1994-05-16 Valid