| Tail Number / N-Number | N881BB |
| Manufacturer | BITTNER ROBERT |
| Model | COZY MKIV |
| Year Built | 2011 |
| Manufacturer's Serial Number | 1 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | O-360-A1A |
| Engine Type | 4 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Type of Registrant | Individual |
| Owner Name | BITTNER ROBERT A |
| Street | 659 WESTFIELD WAY UNIT E |
| City | PEWAUKEE |
| State | WI |
| Zip Code | 53072-6500 |
| Region | Great Lakes |
| County | Waukesha County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2011-09-15 |
| Certificate Issue Date | 2010-10-20 |
| Last Action Date | 2022-06-15 |
| Expiration Date | 2029-10-31 |
| Status | Valid Registration |
| Mode S Code | 53020647 |
| Mode S Code Hex | AC21A7 |