# N3521C: 2000 Buccaneer BUCCANEER SX

- Status: Valid registration
- Airframe: [Buccaneer BUCCANEER SX](https://openairdocs.org/model/buccaneer-buccaneer-sx) (registry code 05903KG, 1 seats)
- Engine: [Rotax 503 series](https://openairdocs.org/engine/rotax-503-series) (registry code 55564)
- Serial number: 258DE
- Year built: 2000
- Type: Fixed wing single engine
- Engine type: 2 cycle
- Airworthiness: Experimental, registered before 01/31/08
- Airworthiness date: November 13, 2007
- Certificate issued: September 20, 2007
- Expires: May 31, 2028
- Mode S code: A3EEB9
- Registered owner: [Mohr John R](https://openairdocs.org/faa-owner/MOHR%20JOHN%20R)
- Location: [New Richmond, WI](https://openairdocs.org/faa-place/WI/New%20Richmond)
- Owner type: Individual
- Owner's area on the map: 45.1190° N, 92.5207° W: Placed by OpenAirDocs at the center of ZIP code 54017, 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=3521C
- Page: https://openairdocs.org/aircraft/N3521C

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. The registry lists only the engine series, so ADs for every Rotax 503 model are included.

## ADs that may apply (OpenAirDocs): 0 in force

### Matched by airframe (Buccaneer BUCCANEER SX)

None in force.

### Matched by engine (Rotax 503 series)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N3521C.

## FAA accident and incident reports

None matched to N3521C.

## 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 N3521C

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N3521C before.

- [Cancelled 1979-07-12](https://openairdocs.org/deregistered/N3521C-1979-07-12): Piper PA-31, S/N 31-7912069, built 1979. Exported to Belgium. Owner: [Globe Aero Ltd Inc](https://openairdocs.org/faa-owner/GLOBE%20AERO%20LTD%20INC), [Lakeland, FL](https://openairdocs.org/faa-place/FL/Lakeland)
- [Cancelled 1965-05-20](https://openairdocs.org/deregistered/N3521C-1965-05-20): Cessna 170B, S/N 26564. Owner: [Hiebert Gordon E](https://openairdocs.org/faa-owner/HIEBERT%20GORDON%20E), [Herlong, CA](https://openairdocs.org/faa-place/CA/Herlong)

## Related

- Other Buccaneer BUCCANEER SX aircraft: https://openairdocs.org/model/buccaneer-buccaneer-sx/aircraft.md
- The Rotax 503 series engine: https://openairdocs.org/engine/rotax-503-series.md

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