| Tail Number / N-Number | N684JS |
| Manufacturer | SVENNINGSEN JOSHUA J |
| Model | JS-1 |
| Manufacturer's Serial Number | 1001 |
| Aircraft Type | Fixed wing single engine |
| Category | Amphibian |
| Builder Certification | Not Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Type of Registrant | Co-Ownership |
| Owner Name | SVENNINGSEN JOSHUA J |
| Other Names |
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| Street | N6710 370TH ST |
| City | MENOMONIE |
| State | WI |
| Zip Code | 54751-4826 |
| Region | Great Lakes |
| County | Dunn County |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 2021-05-20 |
| Last Action Date | 2021-05-20 |
| Expiration Date | 2028-05-31 |
| Status | Valid Registration |
| Mode S Code | 52211354 |
| Mode S Code Hex | A912EC |