# N750WK: 2016 Koski Wayne M STOL CH 750

- Status: Valid registration
- Airframe: [Koski Wayne M STOL CH 750](https://openairdocs.org/model/koski-wayne-m-stol-ch-750) (registry code 05634SA, 2 seats)
- Engine: [Corvair 164](https://openairdocs.org/engine/corvair-164) (registry code 18002)
- Serial number: 8614
- Year built: 2016
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Kit: Zenith Aircraft Co STOL CH 750
- Airworthiness: Experimental, amateur built
- Airworthiness date: March 9, 2016
- Certificate issued: February 22, 2016
- Expires: February 28, 2029
- Mode S code: AA1C07
- Registered owner: [Koski Wayne M](https://openairdocs.org/faa-owner/KOSKI%20WAYNE%20M)
- Location: [Saint Paul, MN](https://openairdocs.org/faa-place/MN/Saint%20Paul)
- Owner type: Individual
- Owner's area on the map: 44.8943° N, 93.1009° W: Placed by OpenAirDocs at the center of ZIP code 55118, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=750WK
- Page: https://openairdocs.org/aircraft/N750WK

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 (Koski Wayne M STOL CH 750)

None in force.

### Matched by engine (Corvair 164)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N750WK.

## FAA accident and incident reports (1)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Incident 20160501004859I](https://openairdocs.org/incident/20160501004859I), May 1, 2016: Home Built STOL CH 750 (N750WK), Lakeville, MN, Minor damage. The pilot was performing a series of "fast taxi" on the runway while troubleshooting carburetor issues during phase one certification for experimental…

## 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 Koski Wayne M STOL CH 750 aircraft: https://openairdocs.org/model/koski-wayne-m-stol-ch-750/aircraft.md
- The Corvair 164 engine: https://openairdocs.org/engine/corvair-164.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.
