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

Marsh William J

1 aircraft on the U.S. register. The most recent registration was December 18, 2019.

Models

COZY MK IV1

COZY MK IV

States

Colorado1

Registrations by year

0001112019

Aircraft newest first

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N528MR Marsh William J
COZY MK IV
Fixed-wing, single engine Individual owner
Colorado
Experimental 2019-12-18 Valid