| Tail Number / N-Number | N975LL |
| Manufacturer | WARNICK RONALD S |
| Model | RV-4 |
| Manufacturer's Serial Number | 975 |
| 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 | 0-320 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Type of Registrant | Individual |
| Owner Name | WOODHOUSE WILLIAM H |
| Street | 1100 2ND RD NE |
| City | POWER |
| State | MT |
| Zip Code | 59468-9317 |
| Region | Northwest Mountain |
| County | Teton County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1987-11-10 |
| Certificate Issue Date | 2004-02-17 |
| Last Action Date | 2022-05-18 |
| Expiration Date | 2029-10-31 |
| Status | Valid Registration |
| Mode S Code | 53313475 |
| Mode S Code Hex | AD973D |