| Tail Number / N-Number | N121BK |
| Manufacturer | CESSNA |
| Model | 310R |
| Year Built | 1977 |
| Manufacturer's Serial Number | 310R0893 |
| Aircraft Type | Fixed wing multi 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 520 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 285 hp (213 kW) |
| Total Horsepower | 570 hp (425 kW) |
| Type of Registrant | Corporation |
| Owner Name | AVIATION SERVICES GROUP INC |
| Street | 4243 E LAKE BLVD |
| City | BIRMINGHAM |
| State | AL |
| Zip Code | 35217-4325 |
| Region | Southern |
| County | Jefferson County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1977-02-21 |
| Certificate Issue Date | 2002-03-21 |
| Last Action Date | 2022-05-09 |
| Expiration Date | 2029-10-31 |
| Status | Valid Registration |
| Mode S Code | 50053614 |
| Mode S Code Hex | A0578C |