| Tail Number / N-Number | N421BJ |
| Manufacturer | BEECH |
| Model | 95-B55 (T42A) |
| Year Built | 1968 |
| Manufacturer's Serial Number | TC-1057 |
| 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 | I0-470 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 260 hp (194 kW) |
| Total Horsepower | 520 hp (388 kW) |
| Average Cruising Speed | 165 miles per hour |
| Type of Registrant | Individual |
| Owner Name | ROBICHAUX EUGENE P |
| Street | 215 DARTFORD DR |
| City | MADISON |
| State | AL |
| Zip Code | 35756-4056 |
| Region | Southern |
| County | Madison County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1968-01-19 |
| Certificate Issue Date | 2022-11-04 |
| Last Action Date | 2022-11-04 |
| Expiration Date | 2029-11-30 |
| Status | Valid Registration |
| Mode S Code | 51177570 |
| Mode S Code Hex | A4FF78 |