# N4KH: Bishop Herbert O ACRO SPORT II

- Status: Valid registration
- Airframe: [Bishop Herbert O ACRO SPORT II](https://openairdocs.org/model/bishop-herbert-o-acro-sport-ii) (registry code 0560650, 2 seats)
- Serial number: 28
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Certificate issued: September 12, 2018
- Expires: September 30, 2028
- Mode S code: A4A8D8
- Registered owner: [Thorson Gregory R](https://openairdocs.org/faa-owner/THORSON%20GREGORY%20R)
- Location: [Edina, MN](https://openairdocs.org/faa-place/MN/Edina)
- Owner type: Individual
- Owner's area on the map: 44.8736° N, 93.3730° W: Placed by OpenAirDocs at the center of ZIP code 55439, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4KH
- Page: https://openairdocs.org/aircraft/N4KH

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 (Bishop Herbert O ACRO SPORT II)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N4KH.

## FAA accident and incident reports

None matched to N4KH.

## Reports on N4KH not matched to an aircraft (1)

They name N4KH, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [Incident 19801031076859I](https://openairdocs.org/incident/19801031076859I), Oct 31, 1980: Cessna 500CESSNA (N4KH), Kansas City, MO, Minor damage. Za pilot heard metallic noise and noted high temperature on left engine. First stage turbine wheel failed.

## 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 Bishop Herbert O ACRO SPORT II aircraft: https://openairdocs.org/model/bishop-herbert-o-acro-sport-ii/aircraft.md

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