| Tail Number / N-Number | N81BT |
| Manufacturer | ULTRALIGHT SPORT AVIATION LLC |
| Model | DYNAMIC WT9 |
| Year Built | 2003 |
| Manufacturer's Serial Number | 081 |
| Aircraft Type | Fixed wing single engine |
| 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 | 912ULS SERIES |
| Engine Type | 4 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 100 hp (75 kW) |
| Type of Registrant | LLC |
| Owner Name | BJS SOLID SURFACE IMPRESSIONS LLC |
| Street | 13234 N 400 W |
| City | MILFORD |
| State | IN |
| Zip Code | 46542-9609 |
| Region | Great Lakes |
| County | Kosciusko County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2007-03-10 |
| Certificate Issue Date | 2014-10-29 |
| Last Action Date | 2020-05-12 |
| Expiration Date | 2027-10-31 |
| Status | Valid Registration |
| Mode S Code | 52603456 |
| Mode S Code Hex | AB072E |