# N7509U: Quicksilver Mfg SPORT 2S

- Status: Valid registration
- Airframe: [Quicksilver Mfg SPORT 2S](https://openairdocs.org/model/quicksilver-mfg-sport-2s) (registry code 05901K4, 2 seats)
- Engine: [Rotax 582SER](https://openairdocs.org/engine/rotax-582ser) (registry code 55556)
- Serial number: 0039
- Type: Fixed wing single engine
- Engine type: 2 cycle
- Airworthiness: Experimental, registered before 01/31/08
- Airworthiness date: December 22, 2006
- Certificate issued: April 8, 2024
- Expires: April 30, 2031
- Mode S code: AA1DAF
- Registered owner: [Brown Robert J Jr](https://openairdocs.org/faa-owner/BROWN%20ROBERT%20J%20JR)
- Location: [Nekoosa, WI](https://openairdocs.org/faa-place/WI/Nekoosa)
- Owner type: Individual
- Owner's area on the map: 44.2197° N, 89.8969° W: Placed by OpenAirDocs at the center of ZIP code 54457, 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=7509U
- Page: https://openairdocs.org/aircraft/N7509U

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 Mfg SPORT 2S)

None in force.

### Matched by engine (Rotax 582SER)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N7509U.

## FAA accident and incident reports

None matched to N7509U.

## 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 N7509U

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N7509U before.

- [Cancelled 2002-09-11](https://openairdocs.org/deregistered/N7509U-2002-09-11): Robinson Helicopter R22 BETA, S/N 3363. Exported to Italy. Owner: [Robinson Helicopter Co](https://openairdocs.org/faa-owner/ROBINSON%20HELICOPTER%20CO), [Torrance, CA](https://openairdocs.org/faa-place/CA/Torrance)
- [Cancelled 1981-10-15](https://openairdocs.org/deregistered/N7509U-1981-10-15): Bensen B-8M, S/N 74503. Owner: [Voiles Jack L](https://openairdocs.org/faa-owner/VOILES%20JACK%20L), [Morgantown, IN](https://openairdocs.org/faa-place/IN/Morgantown)

## Related

- Other Quicksilver Mfg SPORT 2S aircraft: https://openairdocs.org/model/quicksilver-mfg-sport-2s/aircraft.md
- The Rotax 582SER engine: https://openairdocs.org/engine/rotax-582ser.md

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