# N643DP: 2005 Koehler Harold SKYBOLT

- Status: Valid registration
- Airframe: [Koehler Harold SKYBOLT](https://openairdocs.org/model/koehler-harold-skybolt) (registry code 05618RY, 2 seats)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Serial number: 001
- Year built: 2005
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: July 20, 2009
- Certificate issued: February 28, 2005
- Expires: January 31, 2030
- Mode S code: A870B9
- Registered owner: [Koehler Harold A](https://openairdocs.org/faa-owner/KOEHLER%20HAROLD%20A)
- Location: [Chico, CA](https://openairdocs.org/faa-place/CA/Chico)
- Owner type: Individual
- Owner's area on the map: 39.7458° N, 121.8439° W: Placed by OpenAirDocs at the center of ZIP code 95926, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=643DP
- Page: https://openairdocs.org/aircraft/N643DP

From the FAA registry file of October 21, 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 (Koehler Harold SKYBOLT)

None in force.

### Matched by engine (Amateur-built UNKNOWN ENG)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N643DP.

## FAA accident and incident reports

None matched to N643DP.

## Service difficulty reports

None filed for this aircraft.

## Related

- Other Koehler Harold SKYBOLT aircraft: https://openairdocs.org/model/koehler-harold-skybolt/aircraft.md
- STCs for the Koehler Harold SKYBOLT: https://openairdocs.org/model/koehler-harold-skybolt/stcs.md
- The Amateur-built UNKNOWN ENG engine: https://openairdocs.org/engine/amateur-built-unknown-eng.md

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