# N2551Y: 2001 Quad City Ultralight Acft CHALLENGER II

- Status: Valid registration
- Airframe: [Quad City Ultralight Acft CHALLENGER II](https://openairdocs.org/model/quad-city-ultralight-acft-challenger-ii) (registry code 059010Q, 2 seats)
- Engine: [Rotax 503 DCDI](https://openairdocs.org/engine/rotax-503-dcdi) (registry code 55566)
- Serial number: CH2-1100-2028
- Year built: 2001
- Type: Fixed wing single engine
- Engine type: 2 cycle
- Airworthiness: Experimental, operating light-sport kit-built
- Airworthiness date: November 26, 2013
- Certificate issued: June 29, 2023
- Expires: June 30, 2030
- Mode S code: A26CA3
- Registered owner: [Wallace David N](https://openairdocs.org/faa-owner/WALLACE%20DAVID%20N)
- Location: [Elko, NV](https://openairdocs.org/faa-place/NV/Elko)
- Owner type: Individual
- Owner's area on the map: 41.1650° N, 115.7572° W: Placed by OpenAirDocs at the center of ZIP code 89801, within about 20 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=2551Y
- Page: https://openairdocs.org/aircraft/N2551Y

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 (Quad City Ultralight Acft CHALLENGER II)

None in force.

### Matched by engine (Rotax 503 DCDI)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N2551Y.

## NTSB investigations on N2551Y not matched to an aircraft (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 NYC72AN088](https://openairdocs.org/ntsb/NYC72AN088), Jan 9, 1972: Cessna 172D (N2551Y), Perryville, MD, destroyed, 2 fatal

## FAA accident and incident reports

None matched to N2551Y.

## 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 N2551Y

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N2551Y before.

- [Cancelled 1997-07-29](https://openairdocs.org/deregistered/N2551Y-1997-07-29): Piper PA-31T, S/N 31T8120054. Exported to South Africa. Owner: [Hall Donald S DBA](https://openairdocs.org/faa-owner/HALL%20DONALD%20S%20DBA), [Tampa, FL](https://openairdocs.org/faa-place/FL/Tampa)

## Related

- Other Quad City Ultralight Acft CHALLENGER II aircraft: https://openairdocs.org/model/quad-city-ultralight-acft-challenger-ii/aircraft.md
- The Rotax 503 DCDI engine: https://openairdocs.org/engine/rotax-503-dcdi.md

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