# N5504A: 1992 Quicksilver Enterprises SPORT MXL II

- Status: Valid registration
- Airframe: [Quicksilver Enterprises SPORT MXL II](https://openairdocs.org/model/quicksilver-enterprises-sport-mxl-ii) (registry code 05903WZ, 2 seats)
- Engine: [Rotax 582DCDI](https://openairdocs.org/engine/rotax-582dcdi) (registry code 55562)
- Serial number: 4311
- Year built: 1992
- Type: Fixed wing single engine
- Engine type: 2 cycle
- Airworthiness: Experimental, registered before 01/31/08
- Airworthiness date: November 6, 2007
- Certificate issued: February 27, 2026
- Expires: February 28, 2033
- Mode S code: A70250
- Registered owner: [Luluvg LLC](https://openairdocs.org/faa-owner/LULUVG%20LLC)
- Location: [Kalispell, MT](https://openairdocs.org/faa-place/MT/Kalispell)
- Owner type: LLC
- Owner's area on the map: 48.2306° N, 114.4033° W: Placed by OpenAirDocs at the center of ZIP code 59901, within about 12 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=5504A
- Page: https://openairdocs.org/aircraft/N5504A

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 Enterprises SPORT MXL II)

None in force.

### Matched by engine (Rotax 582DCDI)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N5504A.

## NTSB investigations on N5504A 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 NYC69D0099](https://openairdocs.org/ntsb/NYC69D0099), Aug 1, 1968: Beech T-34A (N5504A), Lincoln, RI, substantial damage

## FAA accident and incident reports

None matched to N5504A.

## 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 N5504A

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N5504A before.

- [Cancelled 1993-01-11](https://openairdocs.org/deregistered/N5504A-1993-01-11): Mooney M20A, S/N 1427. Triennial form not returned. Owner: [Neiffer Hiram M](https://openairdocs.org/faa-owner/NEIFFER%20HIRAM%20M), [Gillette, WY](https://openairdocs.org/faa-place/WY/Gillette)

## Related

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

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