# N998S: 2002 Heath Henry R NIEUPORT 11

- Status: Valid registration
- Airframe: [Heath Henry R NIEUPORT 11](https://openairdocs.org/model/heath-henry-r-nieuport-11) (registry code 0560556, 1 seats)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Serial number: 998
- Year built: 2002
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: August 23, 2002
- Certificate issued: July 30, 1999
- Expires: December 31, 2027
- Mode S code: ADF1EB
- Registered owner: [Heath Henry R](https://openairdocs.org/faa-owner/HEATH%20HENRY%20R)
- Location: [Sioux City, IA](https://openairdocs.org/faa-place/IA/Sioux%20City)
- Owner type: Individual
- Owner's area on the map: 42.4632° N, 96.3127° W: Placed by OpenAirDocs at the center of ZIP code 51106, 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=998S
- Page: https://openairdocs.org/aircraft/N998S

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 (Heath Henry R NIEUPORT 11)

None in force.

### Matched by engine (Amateur-built UNKNOWN ENG)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N998S.

## FAA accident and incident reports

None matched to N998S.

## 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 Heath Henry R NIEUPORT 11 aircraft: https://openairdocs.org/model/heath-henry-r-nieuport-11/aircraft.md
- The Amateur-built UNKNOWN ENG engine: https://openairdocs.org/engine/amateur-built-unknown-eng.md

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