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Registered aircraft · FAA record as of September 25, 2026
N881BB

Bittner Robert COZY MKIV

Valid Wisconsin

N881BB is a Bittner Robert COZY MKIV, a fixed-wing airplane with one motor with a four-stroke engine, built in 2011. It has 4 seats. It is registered to an individual in Pewaukee, Wisconsin. The registration is valid: it was issued on October 20, 2010 and expires on October 31, 2029. It holds an experimental airworthiness certificate for amateur built, dated September 15, 2011.

Aircraft

Maker
Bittner Robert
Model
COZY MKIV
Serial number
1
Type
Fixed-wing, single engine
Power
Four-cycle piston, 1 motor · Lycoming O-360-A1A · 180 hp
Seats
4
Year built
2011
Transponder code
AC21A7 (octal 53020647)

Registration

Status
Valid registration
Certificate issued
October 20, 2010
Expires
October 31, 2029
Last FAA action
September 9, 2023
Airworthiness
Experimental · Amateur built · September 15, 2011
FAA region
Great Lakes
FAA record id
01059034

Owner as the FAA publishes it

Name
Bittner Robert A
Type
Individual
Address
659 Westfield Way Unit E
Pewaukee, WI 53072-6500

Owners can ask the FAA to withhold their name and address from public files. When they do, those fields are blank here as well. How that works.

Documents on file 0

No bills of sale, loans or other documents are indexed against this tail number.

Source: FAA Civil Aviation Registry, Releasable Aircraft Database, September 25, 2026. See this record on the FAA site · This record as data