| Tail Number / N-Number | N821FF |
| Manufacturer | HARVEY RICHARD FRITZ |
| Model | SONY 7 |
| Manufacturer's Serial Number | HRFSN-001 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 0 seats |
| Weight Class | CLASS 4 (UAV up to 55 pounds gross take off weight) |
| Number of Engines | 4 engines |
| Type of Registrant | Individual |
| Owner Name | FRITZ HARVEY R |
| Street | PO BOX 335 |
| City | OAKRIDGE |
| State | OR |
| Zip Code | 97463-0335 |
| Region | Northwest Mountain |
| County | Lane County |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 2017-05-25 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-05-31 |
| Status | Valid Registration |
| Mode S Code | 52632425 |
| Mode S Code Hex | AB3515 |