# N506BK: 2005 Brian E Keiffer QCKSLVR MX SPRINT II

- Status: Valid registration
- Airframe: [Brian E Keiffer QCKSLVR MX SPRINT II](https://openairdocs.org/model/brian-e-keiffer-qckslvr-mx-sprint-ii) (registry code 056416Y, 2 seats)
- Engine: [Rotax 582](https://openairdocs.org/engine/rotax-582) (registry code 55551)
- Serial number: 0645
- Year built: 2005
- Type: Fixed wing single engine
- Engine type: 2 cycle
- Airworthiness: Experimental, registered before 01/31/08
- Airworthiness date: July 2, 2007
- Certificate issued: November 30, 2023
- Expires: November 30, 2030
- Mode S code: A6505D
- Registered owner: [Keiffer Brian E](https://openairdocs.org/faa-owner/KEIFFER%20BRIAN%20E)
- Location: [Martinsville, IN](https://openairdocs.org/faa-place/IN/Martinsville)
- Owner type: Individual
- Owner's area on the map: 39.4605° N, 86.4184° W: Placed by OpenAirDocs at the center of ZIP code 46151, within about 8 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=506BK
- Page: https://openairdocs.org/aircraft/N506BK

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 (Brian E Keiffer QCKSLVR MX SPRINT II)

None in force.

### Matched by engine (Rotax 582)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N506BK.

## FAA accident and incident reports

None matched to N506BK.

## 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.

## Related

- Other Brian E Keiffer QCKSLVR MX SPRINT II aircraft: https://openairdocs.org/model/brian-e-keiffer-qckslvr-mx-sprint-ii/aircraft.md
- The Rotax 582 engine: https://openairdocs.org/engine/rotax-582.md

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