| Tail Number / N-Number | N521TY |
| Manufacturer | ROBERT T WILLIAMS |
| Model | BEARHAWK MODEL 5 |
| Manufacturer's Serial Number | M5-5-9M5/10M5-5018 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 6 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Kit Manufacturer | AVIPRO AIRCRAFT LTD |
| Kit Model | BEARHAWK MODEL 5 |
| Type of Registrant | Individual |
| Owner Name | WILLIAMS ROBERT T |
| Street | 469 TRAPIER DR |
| City | CHARLESTON |
| State | SC |
| Zip Code | 29412-9186 |
| Region | Southern |
| County | Charleston County |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 2022-11-29 |
| Last Action Date | 2022-11-29 |
| Expiration Date | 2029-11-30 |
| Status | Valid Registration |
| Mode S Code | 51507145 |
| Mode S Code Hex | A68E65 |