| Tail Number / N-Number | N3581B |
| Manufacturer | BEECH |
| Model | B50 |
| Year Built | 1954 |
| Manufacturer's Serial Number | CH-41 |
| 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 | GO-480 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 295 hp (220 kW) |
| Total Horsepower | 590 hp (440 kW) |
| Average Cruising Speed | 167 miles per hour |
| Type of Registrant | Individual |
| Owner Name | SPINK TODD A |
| Street | 2721 CARIBBEAN DR |
| City | MESQUITE |
| State | TX |
| Zip Code | 75150-1147 |
| Region | Southwestern |
| County | Dallas County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1956-04-12 |
| Certificate Issue Date | 2021-05-18 |
| Last Action Date | 2021-05-18 |
| Expiration Date | 2028-05-31 |
| Status | Valid Registration |
| Mode S Code | 51002402 |
| Mode S Code Hex | A40502 |