| Tail Number / N-Number | N4598D |
| Manufacturer | BEECH |
| Model | G35 |
| Year Built | 1956 |
| Manufacturer's Serial Number | D-4766 |
| 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 | Corporation |
| Owner Name | MID-STATE AIR INC |
| Street | 2275 COOK SHORE RD |
| City | EATON |
| State | NY |
| Zip Code | 13334-3330 |
| Region | Eastern |
| County | Madison County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1956-08-20 |
| Certificate Issue Date | 2018-01-30 |
| Last Action Date | 2020-08-17 |
| Expiration Date | 2028-01-31 |
| Status | Valid Registration |
| Mode S Code | 51313377 |
| Mode S Code Hex | A596FF |