# N6580K: 1991 Kelley Herbert L GYGNET SF-2A

- Status: Valid registration
- Airframe: [Kelley Herbert L GYGNET SF-2A](https://openairdocs.org/model/kelley-herbert-l-gygnet-sf-2a) (registry code 05691DZ, 2 seats)
- Engine: [Volkswagen CONVERSION](https://openairdocs.org/engine/volkswagen-conversion) (registry code 63501)
- Serial number: 368
- Year built: 1991
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: June 8, 2026
- Certificate issued: February 7, 2026
- Expires: February 28, 2033
- Mode S code: A8ACD4
- Registered owner: [Haas Robert](https://openairdocs.org/faa-owner/HAAS%20ROBERT)
- Location: [Elbert, CO](https://openairdocs.org/faa-place/CO/Elbert)
- Owner type: Individual
- Owner's area on the map: 39.1861° N, 104.5159° W: Placed by OpenAirDocs at the center of ZIP code 80106, within about 7 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=6580K
- Page: https://openairdocs.org/aircraft/N6580K

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 (Kelley Herbert L GYGNET SF-2A)

None in force.

### Matched by engine (Volkswagen CONVERSION)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N6580K.

## FAA accident and incident reports

None matched to N6580K.

## 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 N6580K

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N6580K before.

- [Cancelled 1989-04-26](https://openairdocs.org/deregistered/N6580K-1989-04-26): Grumman Acft ENG Cor-Schweizer G-164B, S/N 378B. N-number assigned, not yet registered
- [Cancelled 1958-02-26](https://openairdocs.org/deregistered/N6580K-1958-02-26): Republic RC-3, S/N 853. Exported to Canada. Owner: [Line Henry](https://openairdocs.org/faa-owner/LINE%20HENRY)

## Related

- Other Kelley Herbert L GYGNET SF-2A aircraft: https://openairdocs.org/model/kelley-herbert-l-gygnet-sf-2a/aircraft.md
- The Volkswagen CONVERSION engine: https://openairdocs.org/engine/volkswagen-conversion.md

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