| Tail Number / N-Number | N4257S |
| Manufacturer | BEECH |
| Model | A36 |
| Year Built | 1976 |
| Manufacturer's Serial Number | E-939 |
| Aircraft Type | Fixed wing single 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 | IO 520 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 285 hp (213 kW) |
| Average Cruising Speed | 138 miles per hour |
| Type of Registrant | LLC |
| Owner Name | T&S PROCH INVESTMENTS LLC |
| Street | 24406 E 267TH ST |
| City | HARRISONVILLE |
| State | MO |
| Zip Code | 64701-3267 |
| Region | Central |
| County | Cass County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1976-10-20 |
| Certificate Issue Date | 2021-07-14 |
| Last Action Date | 2021-07-14 |
| Expiration Date | 2028-07-31 |
| Status | Valid Registration |
| Mode S Code | 51210620 |
| Mode S Code Hex | A51190 |