| Tail Number / N-Number | N21XR |
| Manufacturer | NORMAN EUGENE A |
| Model | CASSUTT IIIM |
| Year Built | 1986 |
| Manufacturer's Serial Number | 1 |
| 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 | CONT MOTOR |
| Engine Model | 0-200 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 100 hp (75 kW) |
| Type of Registrant | Individual |
| Owner Name | JOSH WATSON |
| Street | 10497 ALTA MESA RD |
| City | WILTON |
| State | CA |
| Zip Code | 95693-8528 |
| Region | Western-Pacific |
| County | Sacramento County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1986-10-29 |
| Certificate Issue Date | 2021-02-13 |
| Last Action Date | 2021-02-13 |
| Expiration Date | 2028-02-29 |
| Status | Valid Registration |
| Mode S Code | 50334506 |
| Mode S Code Hex | A1B946 |