# N56998: CGS HAWK

- Status: Valid registration
- Airframe: [CGS HAWK](https://openairdocs.org/model/cgs-hawk) (registry code 05903S9, 1 seats)
- Engine: [Rotax 503 series](https://openairdocs.org/engine/rotax-503-series) (registry code 55564)
- Serial number: H859SSC503TRI
- Type: Fixed wing single engine
- Engine type: 2 cycle
- Airworthiness: Experimental, registered before 01/31/08
- Airworthiness date: November 14, 2007
- Certificate issued: February 14, 2022
- Expires: February 28, 2029
- Mode S code: A74C0D
- Registered owner: [Xayarath Sengkham](https://openairdocs.org/faa-owner/XAYARATH%20SENGKHAM)
- Location: [Binghamton, NY](https://openairdocs.org/faa-place/NY/Binghamton)
- Owner type: Individual
- Owner's area on the map: 42.1832° N, 75.8760° W: Placed by OpenAirDocs at the center of ZIP code 13901, 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=56998
- Page: https://openairdocs.org/aircraft/N56998

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 Rotax 503 model are included.

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

### Matched by airframe (CGS HAWK)

None in force.

### Matched by engine (Rotax 503 series)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N56998.

## FAA accident and incident reports

None matched to N56998.

## 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 N56998

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N56998 before.

- [Cancelled 1976-06-22](https://openairdocs.org/deregistered/N56998-1976-06-22): Taylorcraft TG6, S/N 6059, built 1942. Sale reported. Owner: [Oklahoma City, OK](https://openairdocs.org/faa-place/OK/Oklahoma%20City)

## Related

- Other CGS HAWK aircraft: https://openairdocs.org/model/cgs-hawk/aircraft.md
- The Rotax 503 series engine: https://openairdocs.org/engine/rotax-503-series.md

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