| Tail Number / N-Number | N99UX |
| Manufacturer | HARROP WILLIAM GARY |
| Model | CASSUTT III M |
| Manufacturer's Serial Number | WH-001 |
| 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 | O-200 |
| Engine Type | 4 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 100 hp (75 kW) |
| Type of Registrant | Individual |
| Owner Name | KAMAS ROBERT E |
| Street | 9460 HANFORD ST |
| City | VENTURA |
| State | CA |
| Zip Code | 93004-0703 |
| Region | Western-Pacific |
| County | Ventura County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2008-08-28 |
| Certificate Issue Date | 2020-03-11 |
| Last Action Date | 2022-11-21 |
| Expiration Date | 2030-03-31 |
| Status | Valid Registration |
| Mode S Code | 53351042 |
| Mode S Code Hex | ADD222 |