| Tail Number / N-Number | N811DL |
| Manufacturer | LAVY DALLAS R |
| Model | HARMON ROCKET II |
| Year Built | 2006 |
| Manufacturer's Serial Number | 183 |
| 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 | 0-540 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 250 hp (187 kW) |
| Kit Manufacturer | HARMON ROCKET LLC |
| Kit Model | HARMON ROCKET II |
| Type of Registrant | LLC |
| Owner Name | SIX PASSES AVIATION LLC |
| Street | 3067 OLIVER ST |
| City | BOZEMAN |
| State | MT |
| Zip Code | 59718-6067 |
| Region | Northwest Mountain |
| County | Gallatin County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2006-02-20 |
| Certificate Issue Date | 2023-02-09 |
| Last Action Date | 2023-02-09 |
| Expiration Date | 2030-02-28 |
| Status | Valid Registration |
| Mode S Code | 52606551 |
| Mode S Code Hex | AB0D69 |