# N31PD: 2023 Armstrong Paul W XENOS-B

- Status: Valid registration
- Airframe: [Armstrong Paul W XENOS-B](https://openairdocs.org/model/armstrong-paul-w-xenos-b) (registry code 05641XZ, 2 seats)
- Engine: [Aerovee 2180](https://openairdocs.org/engine/aerovee-2180) (registry code 01400)
- Serial number: XNB0014
- Year built: 2023
- Type: Glider
- Engine type: Reciprocating
- Kit: Sonex Aircraft LLC XENOS-B
- Airworthiness: Experimental, amateur built
- Airworthiness date: August 29, 2023
- Certificate issued: July 12, 2023
- Expires: July 31, 2030
- Mode S code: A345C1
- Registered owner: [Armstrong Paul W](https://openairdocs.org/faa-owner/ARMSTRONG%20PAUL%20W)
- Location: [Hornbrook, CA](https://openairdocs.org/faa-place/CA/Hornbrook)
- Owner type: Individual
- Owner's area on the map: 41.9330° N, 122.6750° W: Placed by OpenAirDocs at the center of ZIP code 96044, within about 8 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=31PD
- Page: https://openairdocs.org/aircraft/N31PD

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 (Armstrong Paul W XENOS-B)

None in force.

### Matched by engine (Aerovee 2180)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N31PD.

## FAA accident and incident reports

None matched to N31PD.

## Service difficulty reports

None filed for this aircraft. Reports filed since May 8, 2015, when the mark's previous registration was cancelled.

## Earlier aircraft with N31PD

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N31PD before.

- [Cancelled 2015-05-08](https://openairdocs.org/deregistered/N31PD-2015-05-08): Piper PA-23-250, S/N 27-7654016, built 1975. Registration expired, pending cancellation. Owner: [Thrasher Timothy L](https://openairdocs.org/faa-owner/THRASHER%20TIMOTHY%20L), [Kapolei, HI](https://openairdocs.org/faa-place/HI/Kapolei)

## Related

- Other Armstrong Paul W XENOS-B aircraft: https://openairdocs.org/model/armstrong-paul-w-xenos-b/aircraft.md
- STCs for the Armstrong Paul W XENOS-B: https://openairdocs.org/model/armstrong-paul-w-xenos-b/stcs.md
- The Aerovee 2180 engine: https://openairdocs.org/engine/aerovee-2180.md

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