| Tail Number / N-Number | N276MB |
| Manufacturer | PIPER |
| Model | PA-23-250 |
| Year Built | 1975 |
| Manufacturer's Serial Number | 27-7654010 |
| 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 | Corporation |
| Owner Name | CORNERSTONE AVIATION INC |
| Street | PO BOX 2188 |
| City | ADVANCE |
| State | NC |
| Zip Code | 27006-2188 |
| Region | Eastern |
| County | Davie County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1975-10-30 |
| Certificate Issue Date | 1994-05-06 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-05-31 |
| Status | Valid Registration |
| Mode S Code | 50536733 |
| Mode S Code Hex | A2BDDB |