| Tail Number / N-Number | N401MB |
| Manufacturer | PIPER |
| Model | PA-23-250 |
| Year Built | 1977 |
| Manufacturer's Serial Number | 27-7854013 |
| 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 | LYCOMING |
| Engine Model | TI0-540 SER |
| Engine Type | Turbo-prop |
| Number of Engines | 2 engines |
| Horsepower per Engine | 310 hp (231 kW) |
| Total Horsepower | 620 hp (463 kW) |
| Average Cruising Speed | 150 miles per hour |
| Type of Registrant | LLC |
| Owner Name | BENTLEY AVIATION SERVICES LLC |
| Street | 16192 COASTAL HWY |
| City | LEWES |
| State | DE |
| Zip Code | 19958-3608 |
| Region | Eastern |
| County | Sussex County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1977-11-04 |
| Certificate Issue Date | 2017-12-18 |
| Last Action Date | 2020-11-18 |
| Expiration Date | 2027-12-31 |
| Status | Valid Registration |
| Mode S Code | 51130555 |
| Mode S Code Hex | A4B16D |