N540EZ - 2005 Esselstyn Chris Modified Cozy MK 4 Aircraft Registration

2005 ESSELSTYN CHRIS MODIFIED COZY MK 4

Aircraft Description

N540EZ is a 2005 Esselstyn Chris MODIFIED COZY MK 4, a single-engine reciprocating (piston) aircraft registered to Esselstyn Chris D in Waukesha, WI. This aircraft holds a experimental airworthiness certificate issued by the Federal Aviation Administration on July 10, 2005. The registration certificate was issued on March 7, 2005. The registration is set to expire on March 31, 2030. Powered by a Lycoming IO-540-D4A5 engine producing 260 horsepower, N540EZ is. The aircraft's Mode S transponder code is A6D868 (hex), used for ADS-B identification and flight tracking. N540EZ was last tracked by AviatorDB at coordinates 43.0186, -88.2357 on March 23, 2026. The FAA registry record for N540EZ was last updated on October 13, 2023. AviatorDB monitors aircraft positions through ADS-B surveillance data and updates records as new position data is received.

Esselstyn Chris is an aircraft manufacturer with aircraft registered in the FAA database tracked by AviatorDB. AviatorDB tracks 2 Esselstyn Chris aircraft currently registered in the FAA database, including the MODIFIED COZY MK 4 model.

AviatorDB has found no NTSB accident or incident reports involving N540EZ. AviatorDB cross-references all FAA registration data with NTSB accident and incident reports, providing a comprehensive safety overview for every registered aircraft in the United States.

Model Year
2005
Manufacturer
ESSELSTYN CHRIS
Model
MODIFIED COZY MK 4
Type Aircraft
Fixed Wing Single Engine
Weight Class
Up to 12,500 lbs
Airworthiness Date
July 10, 2005
Classification
Experimental 2 Category
Type Registration
Individual
Status
Valid Registration
Cert Issue Date
March 7, 2005

Registered Owner

Name
ESSELSTYN CHRIS D
Address
N2W27481 ARROWHEAD TRL
City
WAUKESHA
State / Zip Code
Wisconsin53188-1947
Country
United States

Powerplant & Avionics

Engine Type
Reciprocating
Number of Engines
1
Engine Manufacturer
LYCOMING
Engine Model
IO-540-D4A5
Horsepower
260 HP
Mode S Code (Oct)
51554150
Mode S Code (Hex)
A6D868

Additional Details

Registration
N540EZ
Serial Number
003
Number of Engines
1
Number of Seats
4
Expiration Date
March 31, 2030
Last Action Date
October 13, 2023
Last Update Date
October 13, 2023
Unique ID
00091719

Last Known Position

Date
March 23, 2026 (UTC 15:35:25)
Airport
Latitude
43.01857
Longitude
-88.235672

Data Source

Data provided by the US Federal Aviation Administration. View on FAA.gov

Last updated: 2026-04-01 01:32:20 UTC