| Tail Number / N-Number | N25SL |
| Manufacturer | SCHEMPP-HIRTH |
| Model | VENTUS BT |
| Manufacturer's Serial Number | 55 |
| Aircraft Type | Glider |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | AMA/EXPR |
| Engine Model | UNKNOWN ENG |
| Number of Engines | 0 engines |
| Type of Registrant | Individual |
| Owner Name | HEAD THOMAS E |
| Street | 1433 S DUNCAN AVE |
| City | CLEARWATER |
| State | FL |
| Zip Code | 33756-2422 |
| Region | Southern |
| County | Pinellas County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1986-04-02 |
| Certificate Issue Date | 1995-12-06 |
| Last Action Date | 2021-09-16 |
| Expiration Date | 2029-01-31 |
| Status | Valid Registration |
| Mode S Code | 50453300 |
| Mode S Code Hex | A256C0 |