| Tail Number / N-Number | N75HR |
| Manufacturer | MACKESSY JOHN P |
| Model | HARMON ROCKET II |
| Manufacturer's Serial Number | 247 |
| 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 | IO-540 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 300 hp (224 kW) |
| Kit Manufacturer | HARMON ROCKET LLC |
| Kit Model | HARMON ROCKET II |
| Type of Registrant | LLC |
| Owner Name | MOUNTAIN FLYER AIRCRAFT LLC |
| Street | 1001 S MAIN ST STE 49 |
| City | KALISPELL |
| State | MT |
| Zip Code | 59901-5635 |
| Region | Northwest Mountain |
| County | Flathead County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2004-09-23 |
| Certificate Issue Date | 2021-08-02 |
| Last Action Date | 2021-08-02 |
| Expiration Date | 2028-08-31 |
| Status | Valid Registration |
| Mode S Code | 52414157 |
| Mode S Code Hex | AA186F |