| Tail Number / N-Number | N603ST |
| Manufacturer | BEECHCRAFT CORP |
| Model | G58 |
| Year Built | 2014 |
| Manufacturer's Serial Number | TH-2412 |
| 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 | CONT MOTOR |
| Engine Model | IO-550-C |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 300 hp (224 kW) |
| Total Horsepower | 600 hp (448 kW) |
| Type of Registrant | LLC |
| Owner Name | THUNDER CREEK LLC |
| Street | 68 OLD RIDGE RD |
| City | STRAFFORD |
| State | NH |
| Zip Code | 03884-6522 |
| Region | New England |
| County | Strafford County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2014-04-09 |
| Certificate Issue Date | 2014-05-16 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-05-31 |
| Status | Valid Registration |
| Mode S Code | 51752006 |
| Mode S Code Hex | A7D406 |