# N755RJ: 2012 Gregus Ralph ZENITH CH750

- Status: Valid registration
- Airframe: [Gregus Ralph ZENITH CH750](https://openairdocs.org/model/gregus-ralph-zenith-ch750) (registry code 0563146, 2 seats)
- Engine: [Rotax 912ULS series](https://openairdocs.org/engine/rotax-912uls-series) (registry code 55572)
- Serial number: 75-7570
- Year built: 2012
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Kit: Zenith Aircraft Co STOL CH 750
- Airworthiness: Experimental, amateur built
- Airworthiness date: February 15, 2013
- Certificate issued: November 3, 2021
- Expires: November 30, 2028
- Mode S code: AA2E1C
- Registered owner: [Sea Sky Products Inc](https://openairdocs.org/faa-owner/SEA%20SKY%20PRODUCTS%20INC)
- Location: [Gulf Breeze, FL](https://openairdocs.org/faa-place/FL/Gulf%20Breeze)
- Owner type: Corporation
- Owner's area on the map: 30.3360° N, 87.1246° W: Placed by OpenAirDocs at the center of ZIP code 32561, 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=755RJ
- Page: https://openairdocs.org/aircraft/N755RJ

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 (Gregus Ralph ZENITH CH750)

None in force.

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

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N755RJ.

## FAA accident and incident reports

None matched to N755RJ.

## 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 Gregus Ralph ZENITH CH750 aircraft: https://openairdocs.org/model/gregus-ralph-zenith-ch750/aircraft.md
- The Rotax 912ULS series engine: https://openairdocs.org/engine/rotax-912uls-series.md

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