| Tail Number / N-Number | N21YB |
| Manufacturer | SCHULER KEN E |
| Model | RANS S-12S |
| Manufacturer's Serial Number | 02000909 |
| Aircraft Type | Fixed wing single engine |
| Category | Amphibian |
| 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 |
| Kit Manufacturer | RANS INC |
| Kit Model | S-12 AIRAILE |
| Type of Registrant | Individual |
| Owner Name | OUVERSON BRIAN A |
| Street | 24871 EAGLE AVENUE |
| City | FERTILE |
| State | IA |
| Zip Code | 50434 |
| Region | Central |
| County | Worth County |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 2018-01-29 |
| Last Action Date | 2020-08-19 |
| Expiration Date | 2028-01-31 |
| Status | Valid Registration |
| Mode S Code | 50334521 |
| Mode S Code Hex | A1B951 |