| Tail Number / N-Number | N521SS |
| Manufacturer | DIAMOND AIRCRAFT IND INC |
| Model | DA20-A1 |
| Manufacturer's Serial Number | 10081 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Type of Registrant | LLC |
| Owner Name | 55840 LLC |
| Street | 815 HIGHLAND AVE |
| City | LAFAYETTE |
| State | IN |
| Zip Code | 47905-1436 |
| Region | Great Lakes |
| County | Tippecanoe County |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 2021-08-04 |
| Last Action Date | 2021-08-04 |
| Expiration Date | 2028-08-31 |
| Status | Valid Registration |
| Mode S Code | 51507106 |
| Mode S Code Hex | A68E46 |