| Tail Number / N-Number | N525LL |
| Manufacturer | LENZ JAMES L |
| Model | GLASAIR III |
| Year Built | 2005 |
| Manufacturer's Serial Number | 3263 |
| 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) |
| Kit Manufacturer | STODDARD HAMILTON |
| Kit Model | GLASAIR III |
| Type of Registrant | LLC |
| Owner Name | GLASAIR III INVESTORS LLC |
| Street | PO BOX 620994 |
| City | MIDDLETON |
| State | WI |
| Zip Code | 53562-0994 |
| Region | Great Lakes |
| County | Dane County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2005-08-10 |
| Certificate Issue Date | 2001-01-25 |
| Last Action Date | 2022-03-24 |
| Expiration Date | 2029-04-30 |
| Status | Valid Registration |
| Mode S Code | 51516206 |
| Mode S Code Hex | A69C86 |