| Tail Number / N-Number | N491WS |
| Manufacturer | CESSNA |
| Model | 172S |
| Year Built | 1999 |
| Manufacturer's Serial Number | 172S8305 |
| 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 | LYCOMING |
| Engine Model | I0360 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Type of Registrant | LLC |
| Owner Name | DHS OPERATIONS LLC |
| Street | 251 LITTLE FALLS DR |
| City | WILMINGTON |
| State | DE |
| Zip Code | 19808-1674 |
| Region | Eastern |
| County | New Castle County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1999-11-17 |
| Certificate Issue Date | 2013-02-28 |
| Last Action Date | 2021-09-21 |
| Expiration Date | 2029-02-28 |
| Status | Valid Registration |
| Mode S Code | 51412724 |
| Mode S Code Hex | A615D4 |