# N99HX: 2016 George R Johnson STOL CH750

- Status: Valid registration
- Airframe: [George R Johnson STOL CH750](https://openairdocs.org/model/george-r-johnson-stol-ch750) (registry code 05635RM, 2 seats)
- Engine: [Rotax 912ULS series](https://openairdocs.org/engine/rotax-912uls-series) (registry code 55572)
- Serial number: 8423
- Year built: 2016
- Type: Fixed wing single engine
- Engine type: 4 cycle
- Kit: Zenith Aircraft Co STOL CH 750
- Airworthiness: Experimental, amateur built
- Airworthiness date: January 7, 2016
- Certificate issued: January 19, 2022
- Expires: January 31, 2029
- Mode S code: ADD10F
- Registered owner: [Ezagui Ralph](https://openairdocs.org/faa-owner/EZAGUI%20RALPH)
- Location: [West Linn, OR](https://openairdocs.org/faa-place/OR/West%20Linn)
- Owner type: Individual
- Owner's area on the map: 45.3518° N, 122.6690° W: Placed by OpenAirDocs at the center of ZIP code 97068, 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=99HX
- Page: https://openairdocs.org/aircraft/N99HX

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. The registry lists only the engine series, so ADs for every Rotax 912ULS model are included.

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

### Matched by airframe (George R Johnson STOL CH750)

None in force.

### Matched by engine (Rotax 912ULS series)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB WPR22LA002](https://openairdocs.org/ntsb/WPR22LA002), Oct 2, 2021: Zenith CH750 (N99HX), Oregon City, OR, substantial damage. Probable cause: The total loss of engine power for undetermined reasons.

## 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.

- [Accident 20211002017399A](https://openairdocs.org/incident/20211002017399A), Oct 2, 2021: George R Johnson STOL CH750 (N99HX), Oregon City, OR, Destroyed. During landing aircraft lost power in downwind. Pilot executed 180 degree turn to land at runway. Aircraft impacted tree and landed in backyard of house.

## 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 George R Johnson STOL CH750 aircraft: https://openairdocs.org/model/george-r-johnson-stol-ch750/aircraft.md
- The Rotax 912ULS series engine: https://openairdocs.org/engine/rotax-912uls-series.md

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