| Tail Number / N-Number | N684EX |
| Manufacturer | TEXTRON AVIATION INC |
| Model | 208B |
| Year Built | 2022 |
| Manufacturer's Serial Number | 208B5684 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 12 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | P&W CANADA |
| Engine Model | PT6A-140 |
| Engine Type | Turbo-prop |
| Number of Engines | 1 engine |
| Horsepower | 867 hp (647 kW) |
| Type of Registrant | LLC |
| Owner Name | ATI ENGINEERING SERVICES LLC |
| Street | 469 AIRPORT RD HNGR 9 |
| City | JOHNSTOWN |
| State | PA |
| Zip Code | 15904-7200 |
| Region | Eastern |
| County | Cambria County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2022-06-14 |
| Certificate Issue Date | 2023-01-02 |
| Last Action Date | 2023-01-02 |
| Expiration Date | 2030-01-31 |
| Status | Valid Registration |
| Mode S Code | 52211215 |
| Mode S Code Hex | A9128D |