# N25SL: Schempp-Hirth VENTUS BT

- Status: Valid registration
- Airframe: [Schempp-Hirth VENTUS BT](https://openairdocs.org/model/schempp-hirth-ventus-bt) (registry code 3802055, 1 seats)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Serial number: 55
- Type: Glider
- Engine type: None
- Airworthiness: Experimental, exhibition, racing
- Airworthiness date: April 2, 1986
- Certificate issued: May 14, 2024
- Expires: May 31, 2031
- Mode S code: A256C0
- Registered owner: [Krolikowski Ryszard](https://openairdocs.org/faa-owner/KROLIKOWSKI%20RYSZARD)
- Location: [Chandler, AZ](https://openairdocs.org/faa-place/AZ/Chandler)
- Owner type: Individual
- Owner's area on the map: 33.2749° N, 111.9249° W: Placed by OpenAirDocs at the center of ZIP code 85226, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=25SL
- Page: https://openairdocs.org/aircraft/N25SL

From the FAA registry file of October 24, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination.

## ADs that may apply (OpenAirDocs): 0 in force

### Matched by airframe (Schempp-Hirth VENTUS BT)

None in force.

### Matched by engine (Amateur-built UNKNOWN ENG)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N25SL.

## FAA accident and incident reports

None matched to N25SL.

## Service difficulty reports

None filed for this aircraft. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

## STCs that may be installed (OpenAirDocs)

None matched to this aircraft's models.

## Related

- Other Schempp-Hirth VENTUS BT aircraft: https://openairdocs.org/model/schempp-hirth-ventus-bt/aircraft.md
- The Amateur-built UNKNOWN ENG engine: https://openairdocs.org/engine/amateur-built-unknown-eng.md

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.