| Tail Number / N-Number | N8491D |
| Manufacturer | PIPER |
| Model | PA-22-160 |
| Year Built | 1957 |
| Manufacturer's Serial Number | 22-5718 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | 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 | 0-320 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Average Cruising Speed | 94 miles per hour |
| Type of Registrant | LLC |
| Owner Name | DIRTY SIDE DOWN LLC |
| Street | C/O DAVID C RUTTER 640 BERKSHIRE CT |
| City | DOWNERS GROVE |
| State | IL |
| Zip Code | 60516-4919 |
| Region | Great Lakes |
| County | DuPage County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1957-11-13 |
| Certificate Issue Date | 2018-09-04 |
| Last Action Date | 2021-07-20 |
| Expiration Date | 2028-09-30 |
| Status | Valid Registration |
| Mode S Code | 52721707 |
| Mode S Code Hex | ABA3C7 |