| Tail Number / N-Number | N646MM |
| Manufacturer | HAWKER BEECHCRAFT CORP |
| Model | G36 |
| Year Built | 2009 |
| Manufacturer's Serial Number | E-3921 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 6 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | IO-550-B |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 300 hp (224 kW) |
| Type of Registrant | Individual |
| Owner Name | HANCOCK JOHN W III |
| Street | 3807 TORO CANYON # 5 |
| City | AUSTIN |
| State | TX |
| Zip Code | 78746 |
| Region | Southwestern |
| County | Travis County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2009-12-18 |
| Certificate Issue Date | 2018-03-13 |
| Last Action Date | 2021-01-15 |
| Expiration Date | 2028-03-31 |
| Status | Valid Registration |
| Mode S Code | 52076244 |
| Mode S Code Hex | A87CA4 |