- Serial number
- ONX0033
- Year built
- 2014
- Type
- Fixed wing single engine
- Engine
- 4 cycle
- Airworthiness
- Experimental, amateur built
- Airworthiness date
- May 10, 2014
- Certificate issued
- February 15, 2025
- Expires
- February 29, 2032
- Mode S code
- A39A00
- Kit
- Sonex Aircraft LLC ONEX
- Registered owner
- Versteeg Matthew Jackson
- Location
- Urbandale, IA
- Owner type
- Individual
From the FAA registry file of October 20, 2026.
On this page
Airworthiness directives that may apply · 0
Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment. Not a compliance determination.
No ADs matched this aircraft’s modelsADs on appliances, propellers and installed equipment aren’t matched by model; check those separately.
Information bulletins that may apply
Advisory, not mandatory. Matched the same way as ADs.
No bulletins matched this aircraft’s models
NTSB investigations
No NTSB investigations matched to N331EXMatched by N-number and event date. Investigations from before this aircraft carried the mark are under Earlier aircraft. Investigations on Sievila Loren G ONEX aircraft
FAA incident reports
No FAA accident or incident reports matched to N331EXMatched by N-number and event date. Reports from before this aircraft carried the mark are under Earlier aircraft. Reports on Sievila Loren G ONEX aircraft