# N971TK: 2016 Ketter Kevin T SLING 4

- Status: Valid registration
- Airframe: [Ketter Kevin T SLING 4](https://openairdocs.org/model/ketter-kevin-t-sling-4) (registry code 05638UW, 4 seats)
- Engine: [Rotax 914UL2-01](https://openairdocs.org/engine/rotax-914ul2-01) (registry code 55597)
- Serial number: 041
- Year built: 2016
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Kit: Airplane Factory SLING 4
- Airworthiness: Experimental, amateur built
- Airworthiness date: August 11, 2020
- Certificate issued: September 11, 2019
- Expires: September 30, 2029
- Mode S code: AD890F
- Registered owner: [Ketter Kevin T](https://openairdocs.org/faa-owner/KETTER%20KEVIN%20T)
- Location: [West Bend, WI](https://openairdocs.org/faa-place/WI/West%20Bend)
- Owner type: Individual
- Owner's area on the map: 43.3895° N, 88.1530° W: Placed by OpenAirDocs at the center of ZIP code 53095, within about 5 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=971TK
- Page: https://openairdocs.org/aircraft/N971TK

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 (Ketter Kevin T SLING 4)

None in force.

### Matched by engine (Rotax 914UL2-01)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N971TK.

## FAA accident and incident reports

None matched to N971TK.

## 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 Ketter Kevin T SLING 4 aircraft: https://openairdocs.org/model/ketter-kevin-t-sling-4/aircraft.md
- The Rotax 914UL2-01 engine: https://openairdocs.org/engine/rotax-914ul2-01.md

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