| Tail Number / N-Number | N12YB |
| Manufacturer | BETTY JAMES C JR |
| Model | RV-4 |
| Year Built | 1988 |
| Manufacturer's Serial Number | 1146 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | I0360 SER A&C |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 200 hp (149 kW) |
| Type of Registrant | Individual |
| Owner Name | WOLFORD LELAND |
| Street | 1355 OAK HILLS DR |
| City | COLORADO SPRINGS |
| State | CO |
| Zip Code | 80919-1425 |
| Region | Northwest Mountain |
| County | El Paso County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1988-09-16 |
| Certificate Issue Date | 2003-10-28 |
| Last Action Date | 2021-02-14 |
| Expiration Date | 2028-07-31 |
| Status | Valid Registration |
| Mode S Code | 50051601 |
| Mode S Code Hex | A05381 |