| Tail Number / N-Number | N947WL |
| Manufacturer | J&J ULTRALIGHTS |
| Model | SEA WING |
| Year Built | 1999 |
| Manufacturer's Serial Number | SWJ582105001 |
| Aircraft Type | Weight-shift-control |
| Category | Land |
| Builder Certification | Light Sport |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | ROTAX |
| Engine Model | 582UL-99 |
| Engine Type | 2 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 65 hp (48 kW) |
| Type of Registrant | Individual |
| Owner Name | LEWIS WILLIAM E |
| Street | 140 MIDDLE RD |
| City | CUMBERLAND |
| State | ME |
| Zip Code | 04021-3701 |
| Region | New England |
| County | Cumberland County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2010-01-20 |
| Certificate Issue Date | 2007-05-29 |
| Last Action Date | 2022-11-17 |
| Expiration Date | 2030-04-30 |
| Status | Valid Registration |
| Mode S Code | 53224450 |
| Mode S Code Hex | AD2928 |