| Tail Number / N-Number | N821SJ |
| Manufacturer | CAPRONI VIZZOLA |
| Model | CALIF A-21SJ |
| Manufacturer's Serial Number | 220 |
| Aircraft Type | Glider |
| 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 | Individual |
| Owner Name | LEONARD NICK A |
| Street | 600 OAK HILLS RD |
| City | PIPE CREEK |
| State | TX |
| Zip Code | 78063-5650 |
| Region | Southwestern |
| County | Bandera County |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 2007-04-23 |
| Last Action Date | 2022-09-08 |
| Expiration Date | 2030-01-31 |
| Status | Valid Registration |
| Mode S Code | 52633053 |
| Mode S Code Hex | AB362B |