# N4866: 2004 Quicksilver MX2S

- Status: Valid registration
- Airframe: [Quicksilver MX2S](https://openairdocs.org/model/quicksilver-mx2s) (registry code 0590340, 2 seats)
- Engine: [Rotax 582SER](https://openairdocs.org/engine/rotax-582ser) (registry code 55556)
- Serial number: SPORT 2S 0078
- Year built: 2004
- Type: Fixed wing single engine
- Engine type: 2 cycle
- Airworthiness: Experimental, registered before 01/31/08
- Airworthiness date: January 27, 2008
- Certificate issued: January 5, 2021
- Expires: January 31, 2028
- Mode S code: A6020D
- Registered owner: [Learn To Fly LLC](https://openairdocs.org/faa-owner/LEARN%20TO%20FLY%20LLC)
- Location: [Prospect, KY](https://openairdocs.org/faa-place/KY/Prospect)
- Owner type: LLC
- Owner's area on the map: 38.3556° N, 85.5820° W: Placed by OpenAirDocs at the center of ZIP code 40059, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4866
- Page: https://openairdocs.org/aircraft/N4866

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 MX2S)

None in force.

### Matched by engine (Rotax 582SER)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N4866.

## NTSB investigations on N4866 not matched to an aircraft (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB FTW83LA351](https://openairdocs.org/ntsb/FTW83LA351), Jul 25, 1983: Grumman G-164A (N4866), Chilton, TX, substantial damage

## FAA accident and incident reports

None matched to N4866.

## Reports on N4866 not matched to an aircraft (1)

They name N4866, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [Accident 19830725035579A](https://openairdocs.org/incident/19830725035579A), Jul 25, 1983: Scwzer G164A (N4866), Marlin, TX, Substantial damage. Engine vibrated then the prop assembly departed the aircraft. Crankshaft vibration damper caught on piston skirts.

## 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 N4866

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N4866 before.

- [Cancelled (date not recorded)](https://openairdocs.org/deregistered/N4866-undated): Grumman Acft ENG Cor-Schweizer G-164A, S/N 1019. N-number assigned, not yet registered

## Related

- Other Quicksilver MX2S aircraft: https://openairdocs.org/model/quicksilver-mx2s/aircraft.md
- The Rotax 582SER engine: https://openairdocs.org/engine/rotax-582ser.md

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