# N464FH: 1989 Hooper Clint CHALLENGER II SPEC

- Status: Valid registration
- Airframe: [Hooper Clint CHALLENGER II SPEC](https://openairdocs.org/model/hooper-clint-challenger-ii-spec) (registry code 05676HA, 2 seats)
- Engine: [Rotax 503 series](https://openairdocs.org/engine/rotax-503-series) (registry code 55564)
- Serial number: CH21088CW0362
- Year built: 1989
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: May 14, 2012
- Certificate issued: November 28, 2012
- Expires: November 30, 2028
- Mode S code: A5A8FC
- Registered owner: [Cipher-Tec Systems Inc](https://openairdocs.org/faa-owner/CIPHER-TEC%20SYSTEMS%20INC)
- Location: [Tulsa, OK](https://openairdocs.org/faa-place/OK/Tulsa)
- Owner type: Corporation
- Owner's area on the map: 36.1269° N, 95.9467° W: Placed by OpenAirDocs at the center of ZIP code 74114, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=464FH
- Page: https://openairdocs.org/aircraft/N464FH

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 (Hooper Clint CHALLENGER II SPEC)

None in force.

### Matched by engine (Rotax 503 series)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N464FH.

## FAA accident and incident reports (1)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Incident 20121101025609I](https://openairdocs.org/incident/20121101025609I), Nov 1, 2012: Hooper Clint CHALLENGER II SPEC (N464FH), Muskogee, OK, Minor damage. On November 1, 2012 around 18:30 CDT, aircraft N464FH, an operating amateur-built aircraft experienced engine failure. The aircraft made an emergency landing…

## 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 Hooper Clint CHALLENGER II SPEC aircraft: https://openairdocs.org/model/hooper-clint-challenger-ii-spec/aircraft.md
- The Rotax 503 series engine: https://openairdocs.org/engine/rotax-503-series.md

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