| Tail Number / N-Number | N556TD |
| Manufacturer | PEGASUS AVIATION |
| Model | QUANTUM 15 |
| Year Built | 2000 |
| Manufacturer's Serial Number | 7760 |
| 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 | 503 DCDI |
| Engine Type | 2 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 52 hp (39 kW) |
| Type of Registrant | Individual |
| Owner Name | FOLLENSBEE TERRY L |
| Street | 507 REDWING CT |
| City | GRAYSLAKE |
| State | IL |
| Zip Code | 60030-2772 |
| Region | Great Lakes |
| County | Lake County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2007-04-06 |
| Certificate Issue Date | 2016-10-14 |
| Last Action Date | 2022-07-29 |
| Expiration Date | 2029-10-31 |
| Status | Valid Registration |
| Mode S Code | 51613542 |
| Mode S Code Hex | A71762 |