# N50831: Quicksilver SPORT II

- Status: Valid registration
- Airframe: [Quicksilver SPORT II](https://openairdocs.org/model/quicksilver-sport-ii) (registry code 05901D6, 2 seats)
- Engine: [Rotax 582DCDI](https://openairdocs.org/engine/rotax-582dcdi) (registry code 55562)
- Serial number: 420
- Type: Fixed wing single engine
- Engine type: 2 cycle
- Airworthiness: Experimental, operating light-sport, previously under 21.190
- Airworthiness date: January 20, 2010
- Certificate issued: June 27, 2018
- Expires: June 30, 2028
- Mode S code: A65A83
- Registered owner: [Graf David R](https://openairdocs.org/faa-owner/GRAF%20DAVID%20R)
- Location: [Oakdale, MN](https://openairdocs.org/faa-place/MN/Oakdale)
- Owner type: Individual
- Owner's area on the map: 44.9875° N, 92.9636° W: Placed by OpenAirDocs at the center of ZIP code 55128, 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=50831
- Page: https://openairdocs.org/aircraft/N50831

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 (Quicksilver SPORT II)

None in force.

### Matched by engine (Rotax 582DCDI)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N50831.

## FAA accident and incident reports

None matched to N50831.

## 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 N50831

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N50831 before.

- [Cancelled 1989-04-05](https://openairdocs.org/deregistered/N50831-1989-04-05): Cessna 150J, S/N 15069583. N-number assigned, not yet registered

## Related

- Other Quicksilver SPORT II aircraft: https://openairdocs.org/model/quicksilver-sport-ii/aircraft.md
- The Rotax 582DCDI engine: https://openairdocs.org/engine/rotax-582dcdi.md

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