N881BB - 2011 Bittner Robert Cozy Mkiv Aircraft Registration

FK9

2011 BITTNER ROBERT COZY MKIV

Aircraft Description

N881BB is a 2011 Bittner Robert COZY MKIV, a single-engine four-cycle piston aircraft registered to Bittner Robert A in Pewaukee, WI. This aircraft holds a experimental airworthiness certificate issued by the Federal Aviation Administration on September 15, 2011. The registration certificate was issued on October 20, 2010. The registration is set to expire on October 31, 2029. Powered by a Lycoming O-360-A1A engine producing 180 horsepower, N881BB is. The aircraft's Mode S transponder code is AC21A7 (hex), used for ADS-B identification and flight tracking. N881BB was last tracked by AviatorDB near Appleton International Airport (KATW) on March 22, 2026. The FAA registry record for N881BB was last updated on September 9, 2023. AviatorDB monitors aircraft positions through ADS-B surveillance data and updates records as new position data is received.

Bittner Robert is an aircraft manufacturer with aircraft registered in the FAA database tracked by AviatorDB. AviatorDB tracks 1 Bittner Robert aircraft currently registered in the FAA database, including the COZY MKIV model.

AviatorDB has found no NTSB accident or incident reports involving N881BB. 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
2011
Manufacturer
BITTNER ROBERT
Model
COZY MKIV
Type Aircraft
Fixed Wing Single Engine
ICAO Type Code
FK9FK-9 Mk.IV
Weight Class
Up to 12,500 lbs
Airworthiness Date
September 15, 2011
Classification
Experimental 2 Category
Type Registration
Individual
Status
Valid Registration
Cert Issue Date
October 20, 2010

Registered Owner

Name
BITTNER ROBERT A
Address
659 WESTFIELD WAY UNIT E
City
PEWAUKEE
State / Zip Code
Wisconsin53072-6500
Country
United States

Powerplant & Avionics

Engine Type
4-cycle
Number of Engines
1
Engine Manufacturer
LYCOMING
Engine Model
O-360-A1A
Horsepower
180 HP
Mode S Code (Oct)
53020647
Mode S Code (Hex)
AC21A7

Additional Details

Registration
N881BB
Serial Number
1
Number of Engines
1
Number of Seats
4
Expiration Date
October 31, 2029
Last Action Date
September 9, 2023
Last Update Date
September 9, 2023
Unique ID
01059034

Last Known Position

Date
March 22, 2026 (UTC 00:21:14)
Airport
Latitude
43.050751
Longitude
-88.232415

Data Source

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

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