| Tail Number / N-Number | N9576D |
| Manufacturer | PIPER |
| Model | PA-18 |
| Year Built | 1958 |
| Manufacturer's Serial Number | 18-6758 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | C90 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 95 hp (71 kW) |
| Average Cruising Speed | 97 miles per hour |
| Type of Registrant | Individual |
| Owner Name | KNOX MARK PATRICK |
| Street | 23705 390TH AVE SW |
| City | FISHER |
| State | MN |
| Zip Code | 56723-9312 |
| Region | Great Lakes |
| County | Polk County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1958-11-13 |
| Certificate Issue Date | 2005-07-26 |
| Last Action Date | 2020-06-24 |
| Expiration Date | 2027-11-30 |
| Status | Valid Registration |
| Mode S Code | 53250726 |
| Mode S Code Hex | AD51D6 |