# N4233Y: 1981 Stumpf/Klowan BALLOON

- Status: Valid registration
- Airframe: [Stumpf/Klowan BALLOON](https://openairdocs.org/model/stumpf-klowan-balloon) (registry code 05637M5, 3 seats)
- Engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000)
- Serial number: RK34
- Year built: 1981
- Type: Balloon
- Engine type: None
- Airworthiness: Experimental, amateur built
- Airworthiness date: November 12, 1981
- Certificate issued: September 29, 2014
- Expires: September 30, 2027
- Mode S code: A5099C
- Registered owner: [Klowan Russell W](https://openairdocs.org/faa-owner/KLOWAN%20RUSSELL%20W)
- Location: [Cumberland, RI](https://openairdocs.org/faa-place/RI/Cumberland)
- Owner type: Individual
- Owner's area on the map: 41.9675° N, 71.4206° W: Placed by OpenAirDocs at the center of ZIP code 02864, 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=4233Y
- Page: https://openairdocs.org/aircraft/N4233Y

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 (Stumpf/Klowan BALLOON)

None in force.

### Matched by engine (NONE)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N4233Y.

## FAA accident and incident reports

None matched to N4233Y.

## 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 Stumpf/Klowan BALLOON aircraft: https://openairdocs.org/model/stumpf-klowan-balloon/aircraft.md
- The NONE engine: https://openairdocs.org/engine/none.md

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