| Tail Number / N-Number | N4FW |
| Manufacturer | WALLAMN SPORT PLANE |
| Model | WSP-1 |
| Year Built | 1975 |
| Manufacturer's Serial Number | 1 |
| 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 | O-235-C |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 115 hp (86 kW) |
| Type of Registrant | Individual |
| Owner Name | DOUMA TODD D |
| Street | N2309 MANLEY RD |
| City | HORTONVILLE |
| State | WI |
| Zip Code | 54944-8511 |
| Region | Great Lakes |
| County | Outagamie County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2008-09-22 |
| Certificate Issue Date | 2007-11-07 |
| Last Action Date | 2021-07-20 |
| Expiration Date | 2028-11-30 |
| Status | Valid Registration |
| Mode S Code | 51124201 |
| Mode S Code Hex | A4A881 |