| Tail Number / N-Number | N58SQ |
| Manufacturer | 5 RIVERS LLC |
| Model | SQ-2 |
| Manufacturer's Serial Number | 2009 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not 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 | Individual |
| Owner Name | WHITTEMORE JOHN PHILLIP |
| Street | PO BOX 803 |
| City | STERLING |
| State | AK |
| Zip Code | 99672-0803 |
| Region | Alaskan |
| County | Kenai Peninsula Borough |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 2014-01-13 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-01-31 |
| Status | Valid Registration |
| Mode S Code | 51672456 |
| Mode S Code Hex | A7752E |