# N8081N: 2007 Koethler Herman CHALLENGER II

- Status: Valid registration
- Airframe: [Koethler Herman CHALLENGER II](https://openairdocs.org/model/koethler-herman-challenger-ii) (registry code 0590256, 2 seats)
- Engine: [Hirth 3203](https://openairdocs.org/engine/hirth-3203) (registry code 33733)
- Serial number: CH2-1106-CW-2769
- Year built: 2007
- Type: Fixed wing single engine
- Engine type: 2 cycle
- Airworthiness: Experimental, amateur built
- Airworthiness date: August 18, 2007
- Certificate issued: July 9, 2018
- Expires: July 31, 2028
- Mode S code: AB021D
- Registered owner: [Roe Sean L](https://openairdocs.org/faa-owner/ROE%20SEAN%20L)
- Location: [Front Royal, VA](https://openairdocs.org/faa-place/VA/Front%20Royal)
- Owner type: Individual
- Owner's area on the map: 38.9309° N, 78.1759° W: Placed by OpenAirDocs at the center of ZIP code 22630, within about 6 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=8081N
- Page: https://openairdocs.org/aircraft/N8081N

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 (Koethler Herman CHALLENGER II)

None in force.

### Matched by engine (Hirth 3203)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N8081N.

## FAA accident and incident reports

None matched to N8081N.

## 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 N8081N

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N8081N before.

- [Cancelled 1976-02-06](https://openairdocs.org/deregistered/N8081N-1976-02-06): Dehavilland DHC 6 TWIN OTTER 210, S/N 54, built 1967. Exported to Canada. Owner: [First National Bank In St Louis](https://openairdocs.org/faa-owner/FIRST%20NATIONAL%20BANK%20IN%20ST%20LOUIS), [St Louis, MO](https://openairdocs.org/faa-place/MO/St%20Louis)

## Related

- Other Koethler Herman CHALLENGER II aircraft: https://openairdocs.org/model/koethler-herman-challenger-ii/aircraft.md
- The Hirth 3203 engine: https://openairdocs.org/engine/hirth-3203.md

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