| Tail Number / N-Number | N499WS |
| Manufacturer | MARKWELL STANLEY G |
| Model | MARKWELL SPECIAL |
| Year Built | 2009 |
| Manufacturer's Serial Number | 90002 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | IO-360-A1B |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 200 hp (149 kW) |
| Type of Registrant | Individual |
| Owner Name | COLEMAN JUSTIN C |
| Street | 2618 N JOSEPHINE ST |
| City | DENVER |
| State | CO |
| Zip Code | 80205-4645 |
| Region | Northwest Mountain |
| County | Denver County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2009-09-26 |
| Certificate Issue Date | 2009-11-19 |
| Last Action Date | 2021-06-04 |
| Expiration Date | 2028-10-31 |
| Status | Valid Registration |
| Mode S Code | 51431614 |
| Mode S Code Hex | A6338C |