# N841X: 2021 John M Gibbs SONEX ONEX

- Status: Registration pending
- Airframe: [John M Gibbs SONEX ONEX](https://openairdocs.org/model/john-m-gibbs-sonex-onex) (registry code 05640BB, 1 seats)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Serial number: ONX0042
- Year built: 2021
- Type: Fixed wing single engine
- Engine type: 4 cycle
- Kit: Sonex Aircraft LLC ONEX
- Airworthiness: Experimental, amateur built
- Airworthiness date: July 26, 2021
- Mode S code: AB859D
- Location: [San Tan Valley, AZ](https://openairdocs.org/faa-place/AZ/San%20Tan%20Valley)
- Owner type: Individual
- Owner's area on the map: 33.1911° N, 111.5280° W: Placed by OpenAirDocs: center of San Tan Valley, AZ, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=841X
- Page: https://openairdocs.org/aircraft/N841X

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 (John M Gibbs SONEX ONEX)

None in force.

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

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N841X.

## FAA accident and incident reports

None matched to N841X.

## 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 John M Gibbs SONEX ONEX aircraft: https://openairdocs.org/model/john-m-gibbs-sonex-onex/aircraft.md
- The Amateur-built UNKNOWN ENG engine: https://openairdocs.org/engine/amateur-built-unknown-eng.md

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