| Tail Number / N-Number | N321RD |
| Manufacturer | PILATUS |
| Model | P3-03 |
| Year Built | 1956 |
| Manufacturer's Serial Number | 321 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | GO-435C&D SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 260 hp (194 kW) |
| Type of Registrant | Individual |
| Owner Name | O'CONNER WILLARD V |
| Street | 360 E 1ST ST # 477 |
| City | TUSTIN |
| State | CA |
| Zip Code | 92780-3211 |
| Region | Western-Pacific |
| County | Orange County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1992-10-13 |
| Certificate Issue Date | 2015-01-29 |
| Last Action Date | 2020-08-13 |
| Expiration Date | 2028-01-31 |
| Status | Valid Registration |
| Mode S Code | 50671602 |
| Mode S Code Hex | A37382 |