| Tail Number / N-Number | N661WW |
| Manufacturer | FANTASY AIR-PISEK CZECH REP |
| Model | ALLEGRO 2000 |
| Year Built | 2006 |
| Manufacturer's Serial Number | 04-713 |
| 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 | 912UL SERIES |
| Engine Type | 4 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 80 hp (60 kW) |
| Type of Registrant | Individual |
| Owner Name | MCKAY III HUGH G |
| Street | 6009 SOUTH NC HWY 16 |
| City | MAIDEN |
| State | NC |
| Zip Code | 28650 |
| Region | Eastern |
| County | Catawba County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2007-06-27 |
| Certificate Issue Date | 2005-09-27 |
| Last Action Date | 2020-11-13 |
| Expiration Date | 2028-04-30 |
| Status | Valid Registration |
| Mode S Code | 52134771 |
| Mode S Code Hex | A8B9F9 |