# N677WH: 2016 William A Hungelmann CH 750

- Status: Valid registration
- Airframe: [William A Hungelmann CH 750](https://openairdocs.org/model/william-a-hungelmann-ch-750) (registry code 05634TF, 2 seats)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Serial number: 75-8115
- Year built: 2016
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Kit: Zenith Aircraft Co CH750
- Airworthiness: Experimental, amateur built
- Airworthiness date: May 4, 2016
- Certificate issued: January 21, 2016
- Expires: January 31, 2029
- Mode S code: A8F7B5
- Registered owner: [Hungelmann William A](https://openairdocs.org/faa-owner/HUNGELMANN%20WILLIAM%20A)
- Location: [East Wenatchee, WA](https://openairdocs.org/faa-place/WA/East%20Wenatchee)
- Owner type: Individual
- Owner's area on the map: 47.4919° N, 120.1637° W: Placed by OpenAirDocs at the center of ZIP code 98802, within about 8 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=677WH
- Page: https://openairdocs.org/aircraft/N677WH

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 (William A Hungelmann CH 750)

None in force.

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

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N677WH.

## FAA accident and incident reports

None matched to N677WH.

## 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 William A Hungelmann CH 750 aircraft: https://openairdocs.org/model/william-a-hungelmann-ch-750/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.