| Tail Number / N-Number | N21VX |
| Manufacturer | CLUNIS KENNETH |
| Model | RUTAN LONG-EZ |
| Year Built | 1982 |
| Manufacturer's Serial Number | 345 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | 0-235 SERIES |
| Engine Type | 4 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 115 hp (86 kW) |
| Type of Registrant | Individual |
| Owner Name | SISCO AVERY |
| Street | 6701 KINGSBURY DR |
| City | AMARILLO |
| State | TX |
| Zip Code | 79109-6422 |
| Region | Southwestern |
| County | Randall County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1982-09-22 |
| Certificate Issue Date | 2008-02-07 |
| Last Action Date | 2022-08-19 |
| Expiration Date | 2030-01-31 |
| Status | Valid Registration |
| Mode S Code | 50334432 |
| Mode S Code Hex | A1B91A |