# N9434F: 2000 Ultralight CHALLENGER II

- Status: Valid registration
- Airframe: [Ultralight CHALLENGER II](https://openairdocs.org/model/ultralight-challenger-ii) (registry code 05901RC, 2 seats)
- Engine: [Rotax 503 DCDI](https://openairdocs.org/engine/rotax-503-dcdi) (registry code 55566)
- Serial number: CH208001990
- Year built: 2000
- Type: Fixed wing single engine
- Engine type: 2 cycle
- Airworthiness: Experimental, registered before 01/31/08
- Airworthiness date: February 16, 2007
- Certificate issued: November 2, 2022
- Expires: November 30, 2029
- Mode S code: AD1B37
- Registered owner: [Reynolds Cheryl L](https://openairdocs.org/faa-owner/REYNOLDS%20CHERYL%20L)
- Location: [Union, SC](https://openairdocs.org/faa-place/SC/Union)
- Owner type: Individual
- Owner's area on the map: 34.6876° N, 81.6016° W: Placed by OpenAirDocs at the center of ZIP code 29379, within about 9 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=9434F
- Page: https://openairdocs.org/aircraft/N9434F

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 (Ultralight CHALLENGER II)

None in force.

### Matched by engine (Rotax 503 DCDI)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N9434F.

## NTSB investigations on N9434F not matched to an aircraft (2)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB ANC85LA129](https://openairdocs.org/ntsb/ANC85LA129), Jul 17, 1985: Hughes H-269B (N9434F), Northway, AK, substantial damage
- [NTSB NYC66A0108](https://openairdocs.org/ntsb/NYC66A0108), Apr 3, 1966: Hughes 269B (N9434F), Oscawana, NY, substantial damage

## FAA accident and incident reports

None matched to N9434F.

## Reports on N9434F not matched to an aircraft (2)

They name N9434F, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [Accident 19850716034999A](https://openairdocs.org/incident/19850716034999A), Jul 16, 1985: Hughes 269B (N9434F), Northway, AK, Substantial damage. Engine quit on takeoff, nosed over on downhill landing. Air side of fuel controller diaphram fouled by sand, metal.
- [Accident 19790624015769A](https://openairdocs.org/incident/19790624015769A), Jun 24, 1979: Hughes 269B (N9434F), Finlday, OH, Substantial damage. Helecopter crashed while pilot was trying to land in restricted area in windy conditions.

## 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 Ultralight CHALLENGER II aircraft: https://openairdocs.org/model/ultralight-challenger-ii/aircraft.md
- The Rotax 503 DCDI engine: https://openairdocs.org/engine/rotax-503-dcdi.md

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