| Tail Number / N-Number | N290WM |
| Manufacturer | MADISON WILLIAM T |
| Model | SA-100 |
| Manufacturer's Serial Number | SA100-001 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | 0-290 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 140 hp (104 kW) |
| Type of Registrant | Individual |
| Owner Name | WARE GEORGE B |
| Street | 188 CEDAR PARK |
| City | RAYNE |
| State | LA |
| Zip Code | 70578-6612 |
| Region | Southwestern |
| County | Acadia Parish |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1992-10-28 |
| Certificate Issue Date | 2020-12-29 |
| Last Action Date | 2020-12-29 |
| Expiration Date | 2027-12-31 |
| Status | Valid Registration |
| Mode S Code | 50573572 |
| Mode S Code Hex | A2F77A |