# N206FF: Fehling Frederick W KOLB TWINSTAR MK II

- Status: Valid registration
- Airframe: [Fehling Frederick W KOLB TWINSTAR MK II](https://openairdocs.org/model/fehling-frederick-w-kolb-twinstar-mk-ii) (registry code 05623EN, 2 seats)
- Engine: [Bombardier ROTAX (ALL)](https://openairdocs.org/engine/bombardier-rotax-all) (registry code 09050)
- Serial number: MII-206
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: June 16, 1993
- Certificate issued: August 12, 2021
- Expires: August 31, 2028
- Mode S code: A1A8D0
- Registered owner: [Geiger William G](https://openairdocs.org/faa-owner/GEIGER%20WILLIAM%20G)
- Location: [Pls Vrds Est, CA](https://openairdocs.org/faa-place/CA/Pls%20Vrds%20Est)
- Owner type: Individual
- Owner's area on the map: 33.7801° N, 118.3724° W: Placed by OpenAirDocs at the center of ZIP code 90274, 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=206FF
- Page: https://openairdocs.org/aircraft/N206FF

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 (Fehling Frederick W KOLB TWINSTAR MK II)

None in force.

### Matched by engine (Bombardier ROTAX (ALL))

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N206FF.

## FAA accident and incident reports

None matched to N206FF.

## 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 Fehling Frederick W KOLB TWINSTAR MK II aircraft: https://openairdocs.org/model/fehling-frederick-w-kolb-twinstar-mk-ii/aircraft.md
- The Bombardier ROTAX (ALL) engine: https://openairdocs.org/engine/bombardier-rotax-all.md

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