# N551XP: Richard A Foss ONEX

- Status: Valid registration
- Airframe: [Richard A Foss ONEX](https://openairdocs.org/model/richard-a-foss-onex) (registry code 056403K, 1 seats)
- Serial number: ONX0055
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Kit: Sonex Aircraft LLC ONEX
- Certificate issued: May 26, 2022
- Expires: May 31, 2029
- Mode S code: A7053D
- Registered owner: [Foss Richard A](https://openairdocs.org/faa-owner/FOSS%20RICHARD%20A)
- Location: [Maryland Heights, MO](https://openairdocs.org/faa-place/MO/Maryland%20Heights)
- Owner type: Individual
- Owner's area on the map: 38.7292° N, 90.4550° W: Placed by OpenAirDocs at the center of ZIP code 63043, 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=551XP
- Page: https://openairdocs.org/aircraft/N551XP

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 (Richard A Foss ONEX)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N551XP.

## FAA accident and incident reports

None matched to N551XP.

## 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 Richard A Foss ONEX aircraft: https://openairdocs.org/model/richard-a-foss-onex/aircraft.md

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