| Tail Number / N-Number | N6391Q |
| Manufacturer | MOONEY |
| Model | M20F |
| Manufacturer's Serial Number | 670474 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | I0360 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Average Cruising Speed | 127 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | DIAMOND V CORP |
| Street | 146 ROAD 454 |
| City | GLENDIVE |
| State | MT |
| Zip Code | 59330-9240 |
| Region | Northwest Mountain |
| County | Dawson County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1967-08-25 |
| Certificate Issue Date | 2018-08-09 |
| Last Action Date | 2021-04-20 |
| Expiration Date | 2028-08-31 |
| Status | Valid Registration |
| Mode S Code | 52060665 |
| Mode S Code Hex | A861B5 |