| Tail Number / N-Number | N257BB |
| Manufacturer | VANS AIRCRAFT INC |
| Model | RV-12 |
| Year Built | 2012 |
| Manufacturer's Serial Number | 120428 |
| 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) |
| Engine Manufacturer | ROTAX |
| Engine Model | 912ULS SERIES |
| Engine Type | 4 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 100 hp (75 kW) |
| Type of Registrant | Individual |
| Owner Name | WARNER WILLIAM S |
| Street | 1850 COKER BUTTE RD |
| City | MEDFORD |
| State | OR |
| Zip Code | 97504-9021 |
| Region | Northwest Mountain |
| County | Jackson County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2012-10-03 |
| Certificate Issue Date | 2011-11-28 |
| Last Action Date | 2020-06-13 |
| Expiration Date | 2027-11-30 |
| Status | Valid Registration |
| Mode S Code | 50470632 |
| Mode S Code Hex | A2719A |