# N552EL: 2007 Scherb Ernest CHALLENGER II

- Status: Valid registration
- Airframe: [Scherb Ernest CHALLENGER II](https://openairdocs.org/model/scherb-ernest-challenger-ii) (registry code 05904HN, 2 seats)
- Engine: [Rotax 503 DCDI](https://openairdocs.org/engine/rotax-503-dcdi) (registry code 55566)
- Serial number: CH2-0903-CW-2378
- Year built: 2007
- Type: Fixed wing single engine
- Engine type: 2 cycle
- Airworthiness: Experimental, operating light-sport kit-built
- Airworthiness date: August 29, 2025
- Certificate issued: January 29, 2025
- Expires: January 31, 2032
- Mode S code: A70748
- Registered owner: [Pryakhin Vladislav Y](https://openairdocs.org/faa-owner/PRYAKHIN%20VLADISLAV%20Y)
- Location: [Socorro, NM](https://openairdocs.org/faa-place/NM/Socorro)
- Owner type: Individual
- Owner's area on the map: 33.9326° N, 107.0738° W: Placed by OpenAirDocs at the center of ZIP code 87801, 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=552EL
- Page: https://openairdocs.org/aircraft/N552EL

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 (Scherb Ernest CHALLENGER II)

None in force.

### Matched by engine (Rotax 503 DCDI)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N552EL.

## FAA accident and incident reports

None matched to N552EL.

## 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 Scherb Ernest CHALLENGER II aircraft: https://openairdocs.org/model/scherb-ernest-challenger-ii/aircraft.md
- The Rotax 503 DCDI engine: https://openairdocs.org/engine/rotax-503-dcdi.md

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