| Tail Number / N-Number | N121DH |
| Manufacturer | MILLER CHARLES W |
| Model | SKYBOLT |
| Manufacturer's Serial Number | M0001 |
| 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 | I0360 SER A&C |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 200 hp (149 kW) |
| Type of Registrant | Individual |
| Owner Name | GILKINSON CAMERON H |
| Street | 4710 KITCHELL WAY |
| City | FORT COLLINS |
| State | CO |
| Zip Code | 80524-9291 |
| Region | Northwest Mountain |
| County | Larimer County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1988-09-17 |
| Certificate Issue Date | 2022-02-09 |
| Last Action Date | 2022-02-09 |
| Expiration Date | 2029-02-28 |
| Status | Valid Registration |
| Mode S Code | 50053674 |
| Mode S Code Hex | A057BC |