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

Esselstyn Chris

2 aircraft on the U.S. register. The most recent registration was May 25, 2022.

Models

MODIFIED COZY MK 41COZY1

MODIFIED COZY MK 4 · COZY

States

Wisconsin1Texas1

Registrations by year

0001112022

Aircraft newest first

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N423CZ Esselstyn Chris
COZY
Fixed-wing, single engine Rutan Aircraft Flying Experience
Waller, Texas
Experimental 2022-05-25 Valid
N540EZ Esselstyn Chris
MODIFIED COZY MK 4
Fixed-wing, single engine Individual owner
Wisconsin
Experimental 2005-03-07 Valid