| Tail Number / N-Number | N881JR |
| Manufacturer | WING JOHN R |
| Model | ACRO-SPORT II |
| Year Built | 1996 |
| Manufacturer's Serial Number | 881 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | 0-360-A1D |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Type of Registrant | Individual |
| Owner Name | FINNEGAN BRIAN E |
| Street | 163 LOBDELL RD |
| City | WATERLOO |
| State | IA |
| Zip Code | 50701-1101 |
| Region | Central |
| County | Black Hawk County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1997-04-04 |
| Certificate Issue Date | 2021-09-20 |
| Last Action Date | 2021-09-20 |
| Expiration Date | 2028-09-30 |
| Status | Valid Registration |
| Mode S Code | 53021144 |
| Mode S Code Hex | AC2264 |