| Tail Number / N-Number | N321MD |
| Manufacturer | MOONEY |
| Model | M20R |
| Year Built | 2006 |
| Manufacturer's Serial Number | 29-0470 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | IO-550-G |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 280 hp (209 kW) |
| Type of Registrant | Co-Ownership |
| Owner Name | BROWN MELVIN W JR TRUSTEE |
| Other Names |
|
| Street | 78 HIDDEN VALLEY AIRPARK |
| City | SHADY SHORES |
| State | TX |
| Zip Code | 76208-7302 |
| Region | Southwestern |
| County | Denton County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2006-10-23 |
| Certificate Issue Date | 2023-02-06 |
| Last Action Date | 2023-02-06 |
| Expiration Date | 2030-02-28 |
| Status | Valid Registration |
| Mode S Code | 50671436 |
| Mode S Code Hex | A3731E |