| Tail Number / N-Number | N921JS |
| Manufacturer | VANS AIRCRAFT INC |
| Model | RV-12IS |
| Manufacturer's Serial Number | 121068 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Light Sport |
| 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 | SWANSTROM JOHN J |
| Street | 1746 KERRY LN |
| City | SANTA ROSA |
| State | CA |
| Zip Code | 95403-8638 |
| Region | Western-Pacific |
| County | Sonoma County |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 2020-04-17 |
| Last Action Date | 2022-11-30 |
| Expiration Date | 2030-04-30 |
| Status | Valid Registration |
| Mode S Code | 53141272 |
| Mode S Code Hex | ACC2BA |