| Tail Number / N-Number | N121BW |
| Manufacturer | BEECH |
| Model | 95-B55 (T42A) |
| Year Built | 1979 |
| Manufacturer's Serial Number | TC-2256 |
| 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 | O-470 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 230 hp (172 kW) |
| Total Horsepower | 460 hp (343 kW) |
| Average Cruising Speed | 165 miles per hour |
| Type of Registrant | LLC |
| Owner Name | BUBLITZ AIR LLC |
| Street | 1239 VICTORIA LN |
| City | OCONOMOWOC |
| State | WI |
| Zip Code | 53066-6412 |
| Region | Great Lakes |
| County | Waukesha County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1982-05-27 |
| Certificate Issue Date | 2020-02-19 |
| Last Action Date | 2022-09-29 |
| Expiration Date | 2030-02-28 |
| Status | Valid Registration |
| Mode S Code | 50053627 |
| Mode S Code Hex | A05797 |