| Tail Number / N-Number | N8581X |
| Manufacturer | CESSNA |
| Model | P172D |
| Year Built | 1963 |
| Manufacturer's Serial Number | P17257181 |
| 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 | CONT MOTOR |
| Engine Model | 0-300 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 145 hp (108 kW) |
| Average Cruising Speed | 108 miles per hour |
| Type of Registrant | LLC |
| Owner Name | 81X LLC |
| Street | 5511 SHOOTING STAR TRL |
| City | RAPID CITY |
| State | SD |
| Zip Code | 57702-8867 |
| Region | Great Lakes |
| County | Pennington County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1963-05-11 |
| Certificate Issue Date | 2013-01-02 |
| Last Action Date | 2021-08-15 |
| Expiration Date | 2029-01-31 |
| Status | Valid Registration |
| Mode S Code | 52743641 |
| Mode S Code Hex | ABC7A1 |