# N337ST: 2010 Wilkes Jack E KOLB MARK 3 XTRA

- Status: Valid registration
- Airframe: [Wilkes Jack E KOLB MARK 3 XTRA](https://openairdocs.org/model/wilkes-jack-e-kolb-mark-3-xtra) (registry code 05629VQ, 2 seats)
- Engine: [Rotax 912ULS series](https://openairdocs.org/engine/rotax-912uls-series) (registry code 55572)
- Serial number: M3X7-2-00094
- Year built: 2010
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Kit: New Kolb Aircraft Co LLC MARK III XTRA
- Airworthiness: Experimental, amateur built
- Airworthiness date: July 7, 2010
- Certificate issued: March 31, 2022
- Expires: March 31, 2029
- Mode S code: A3B172
- Registered owner: [Eads Nolan A](https://openairdocs.org/faa-owner/EADS%20NOLAN%20A)
- Location: [Orlando, FL](https://openairdocs.org/faa-place/FL/Orlando)
- Owner type: Individual
- Owner's area on the map: 28.5878° N, 81.2441° W: Placed by OpenAirDocs at the center of ZIP code 32817, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=337ST
- Page: https://openairdocs.org/aircraft/N337ST

From the FAA registry file of October 22, 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. The registry lists only the engine series, so ADs for every Rotax 912ULS model are included.

## ADs that may apply (OpenAirDocs): 0 in force

### Matched by airframe (Wilkes Jack E KOLB MARK 3 XTRA)

None in force.

### Matched by engine (Rotax 912ULS series)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N337ST.

## FAA accident and incident reports

None matched to N337ST.

## 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 Wilkes Jack E KOLB MARK 3 XTRA aircraft: https://openairdocs.org/model/wilkes-jack-e-kolb-mark-3-xtra/aircraft.md
- The Rotax 912ULS series engine: https://openairdocs.org/engine/rotax-912uls-series.md

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
