# N361ST: 1990 Quad City Ultralight Acft CH II LONGWING

- Status: Valid registration
- Airframe: [Quad City Ultralight Acft CH II LONGWING](https://openairdocs.org/model/quad-city-ultralight-acft-ch-ii-longwing) (registry code 059029B, 2 seats)
- Engine: [Rotax 503DCSI](https://openairdocs.org/engine/rotax-503dcsi) (registry code 55567)
- Serial number: 0189-0388
- Year built: 1990
- Type: Fixed wing single engine
- Engine type: 2 cycle
- Airworthiness: Experimental, registered before 01/31/08
- Airworthiness date: December 3, 2007
- Certificate issued: May 20, 2008
- Expires: April 30, 2027
- Mode S code: A411A5
- Registered owner: [Ems Kenneth R](https://openairdocs.org/faa-owner/EMS%20KENNETH%20R)
- Location: [Biloxi, MS](https://openairdocs.org/faa-place/MS/Biloxi)
- Owner type: Individual
- Owner's area on the map: 30.5010° N, 88.9756° W: Placed by OpenAirDocs at the center of ZIP code 39532, within about 5 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=361ST
- Page: https://openairdocs.org/aircraft/N361ST

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 CH II LONGWING)

None in force.

### Matched by engine (Rotax 503DCSI)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N361ST.

## FAA accident and incident reports

None matched to N361ST.

## 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 Quad City Ultralight Acft CH II LONGWING aircraft: https://openairdocs.org/model/quad-city-ultralight-acft-ch-ii-longwing/aircraft.md
- The Rotax 503DCSI engine: https://openairdocs.org/engine/rotax-503dcsi.md

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