# N750SP: 2025 Sean A Peffer STOL CH750SD

- Status: Valid registration
- Airframe: [Sean A Peffer STOL CH750SD](https://openairdocs.org/model/sean-a-peffer-stol-ch750sd) (registry code 05641M9, 3 seats)
- Engine: [Ulpower UL-520 series](https://openairdocs.org/engine/ulpower-ul-520-series) (registry code 62002)
- Serial number: SD75-10963
- Year built: 2025
- Type: Fixed wing single engine
- Engine type: 4 cycle
- Kit: Zenith Aircraft Co STOL CH 750 SD
- Airworthiness: Experimental, amateur built
- Airworthiness date: October 16, 2025
- Certificate issued: March 23, 2023
- Expires: March 31, 2030
- Mode S code: AA1BA7
- Registered owner: [Peffer Sean A](https://openairdocs.org/faa-owner/PEFFER%20SEAN%20A)
- Location: [Crittenden, KY](https://openairdocs.org/faa-place/KY/Crittenden)
- Owner type: Individual
- Owner's area on the map: 38.7844° N, 84.5873° W: Placed by OpenAirDocs at the center of ZIP code 41030, 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=750SP
- Page: https://openairdocs.org/aircraft/N750SP

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 Ulpower UL-520 model are included.

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

### Matched by airframe (Sean A Peffer STOL CH750SD)

None in force.

### Matched by engine (Ulpower UL-520 series)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N750SP.

## FAA accident and incident reports

None matched to N750SP.

## 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.

## Earlier aircraft with N750SP

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N750SP before.

- [Cancelled 2015-02-03](https://openairdocs.org/deregistered/N750SP-2015-02-03): Israel Aircraft Industries 1124, S/N 198, built 1976. Exported to Brazil. Owner: [Interjet Aviation Services LLC](https://openairdocs.org/faa-owner/INTERJET%20AVIATION%20SERVICES%20LLC), [Fort Lauderdale, FL](https://openairdocs.org/faa-place/FL/Fort%20Lauderdale)

## Related

- Other Sean A Peffer STOL CH750SD aircraft: https://openairdocs.org/model/sean-a-peffer-stol-ch750sd/aircraft.md
- The Ulpower UL-520 series engine: https://openairdocs.org/engine/ulpower-ul-520-series.md

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