| Tail Number / N-Number | N4657D |
| Manufacturer | BEECH |
| Model | G35 |
| Year Built | 1956 |
| Manufacturer's Serial Number | D-4844 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | E225 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 225 hp (168 kW) |
| Average Cruising Speed | 131 miles per hour |
| Type of Registrant | Co-Ownership |
| Owner Name | MARTIN EUGENE T |
| Other Names |
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| Street | 18 N HIDDEN ACRES DR |
| City | SIOUX CITY |
| State | IA |
| Zip Code | 51108-8641 |
| Region | Central |
| County | Woodbury County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1956-10-17 |
| Certificate Issue Date | 2022-01-20 |
| Last Action Date | 2022-01-20 |
| Expiration Date | 2029-01-31 |
| Status | Valid Registration |
| Mode S Code | 51327577 |
| Mode S Code Hex | A5AF7F |