| Tail Number / N-Number | N251WH |
| Manufacturer | HIGHTOWER WILLIAM A |
| Model | GLASAIR III |
| Year Built | 1994 |
| Manufacturer's Serial Number | 3251 |
| 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 | IO-540 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 300 hp (224 kW) |
| Type of Registrant | Individual |
| Owner Name | TALLMADGE BRIAN |
| Street | 2185 CLUBHOUSE DR |
| City | PRESCOTT |
| State | AZ |
| Zip Code | 86301-6154 |
| Region | Western-Pacific |
| County | Yavapai County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1994-01-30 |
| Certificate Issue Date | 2006-05-18 |
| Last Action Date | 2022-12-29 |
| Expiration Date | 2030-04-30 |
| Status | Valid Registration |
| Mode S Code | 50456461 |
| Mode S Code Hex | A25D31 |