# N921F: Oldenburg Fred W CLIP WING SPECIAL 2P

- Status: Valid registration
- Airframe: [Oldenburg Fred W CLIP WING SPECIAL 2P](https://openairdocs.org/model/oldenburg-fred-w-clip-wing-special-2p) (registry code 05623FW, 2 seats)
- Engine: [Bombardier ROTAX (ALL)](https://openairdocs.org/engine/bombardier-rotax-all) (registry code 09050)
- Serial number: 0921
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: August 31, 1993
- Certificate issued: July 9, 2018
- Expires: July 31, 2028
- Mode S code: ACC25E
- Registered owner: [Branch Timothy O](https://openairdocs.org/faa-owner/BRANCH%20TIMOTHY%20O)
- Location: [Russellville, AR](https://openairdocs.org/faa-place/AR/Russellville)
- Owner type: Individual
- Owner's area on the map: 35.3192° N, 93.0804° W: Placed by OpenAirDocs at the center of ZIP code 72802, 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=921F
- Page: https://openairdocs.org/aircraft/N921F

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 (Oldenburg Fred W CLIP WING SPECIAL 2P)

None in force.

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

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N921F.

## FAA accident and incident reports

None matched to N921F.

## 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 Oldenburg Fred W CLIP WING SPECIAL 2P aircraft: https://openairdocs.org/model/oldenburg-fred-w-clip-wing-special-2p/aircraft.md
- The Bombardier ROTAX (ALL) engine: https://openairdocs.org/engine/bombardier-rotax-all.md

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