# N331EX: 2014 Sievila Loren G ONEX

- Status: Valid registration
- Airframe: [Sievila Loren G ONEX](https://openairdocs.org/model/sievila-loren-g-onex) (registry code 05632H2, 1 seats)
- Engine: [Aeroconver AEROVEE](https://openairdocs.org/engine/aeroconver-aerovee) (registry code 01401)
- Serial number: ONX0033
- Year built: 2014
- Type: Fixed wing single engine
- Engine type: 4 cycle
- Kit: Sonex Aircraft LLC ONEX
- Airworthiness: Experimental, amateur built
- Airworthiness date: May 10, 2014
- Certificate issued: February 15, 2025
- Expires: February 29, 2032
- Mode S code: A39A00
- Registered owner: [Versteeg Matthew Jackson](https://openairdocs.org/faa-owner/VERSTEEG%20MATTHEW%20JACKSON)
- Location: [Urbandale, IA](https://openairdocs.org/faa-place/IA/Urbandale)
- Owner type: Individual
- Owner's area on the map: 41.6342° N, 93.7344° W: Placed by OpenAirDocs at the center of ZIP code 50322, 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=331EX
- Page: https://openairdocs.org/aircraft/N331EX

From the FAA registry file of October 21, 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 (Sievila Loren G ONEX)

None in force.

### Matched by engine (Aeroconver AEROVEE)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N331EX.

## FAA accident and incident reports

None matched to N331EX.

## Service difficulty reports (1)

As reported by operators and repair stations.

- [SDR HNAA2009102700319](https://openairdocs.org/sdr/HNAA2009102700319), Oct 21, 2009: WARNING HORN. ACTIVATED. TAKEOFF WARNING HORN SOUNDED ON TAKE OFF ROLL. CYCLED PARK BRAKE HANDLE SEVERAL TIMES, OPERATIONAL CHECKED NORMAL. RECONFIGURED AIRCRAFT FOR TAKE OFF NORMAL AT 

## Related

- Other Sievila Loren G ONEX aircraft: https://openairdocs.org/model/sievila-loren-g-onex/aircraft.md
- STCs for the Sievila Loren G ONEX: https://openairdocs.org/model/sievila-loren-g-onex/stcs.md
- The Aeroconver AEROVEE engine: https://openairdocs.org/engine/aeroconver-aerovee.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.