| Tail Number / N-Number | N231LJ |
| Manufacturer | BEECH |
| Model | TC-45J |
| Year Built | 1945 |
| Manufacturer's Serial Number | 23835 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 10 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | AMA/EXPR |
| Engine Model | UNKNOWN ENG |
| Number of Engines | 2 engines |
| Average Cruising Speed | 153 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | BLACKHAWK AIRCRAFT MAINTENANCE INC |
| Street | PO BOX 1815 |
| City | JANESVILLE |
| State | WI |
| Zip Code | 53547-1815 |
| Region | Great Lakes |
| County | Rock County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1975-02-21 |
| Certificate Issue Date | 2012-01-10 |
| Last Action Date | 2020-08-25 |
| Expiration Date | 2028-01-31 |
| Status | Valid Registration |
| Mode S Code | 50406472 |
| Mode S Code Hex | A20D3A |