# N505KC: Collett Kenneth Lee KOLB MARK III

- Status: Valid registration
- Airframe: [Collett Kenneth Lee KOLB MARK III](https://openairdocs.org/model/collett-kenneth-lee-kolb-mark-iii) (registry code 0560350, 2 seats)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Serial number: M3-152
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: February 16, 1997
- Certificate issued: April 5, 2021
- Expires: April 30, 2028
- Mode S code: A64D67
- Registered owner: [Bork Roger L](https://openairdocs.org/faa-owner/BORK%20ROGER%20L)
- Location: [Mt Carroll, IL](https://openairdocs.org/faa-place/IL/Mt%20Carroll)
- Owner type: Individual
- Owner's area on the map: 42.1208° N, 89.9833° W: Placed by OpenAirDocs at the center of ZIP code 61053, within about 6 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=505KC
- Page: https://openairdocs.org/aircraft/N505KC

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 (Collett Kenneth Lee KOLB MARK III)

None in force.

### Matched by engine (Amateur-built UNKNOWN ENG)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N505KC.

## FAA accident and incident reports

None matched to N505KC.

## 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 Collett Kenneth Lee KOLB MARK III aircraft: https://openairdocs.org/model/collett-kenneth-lee-kolb-mark-iii/aircraft.md
- The Amateur-built UNKNOWN ENG engine: https://openairdocs.org/engine/amateur-built-unknown-eng.md

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