# N255BZ: 2016 Paul R Seipt SONEX, registration cancelled 2017-08-14

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: August 14, 2017
- Status when cancelled: Valid registration
- Airframe: [Paul R Seipt SONEX](https://openairdocs.org/model/paul-r-seipt-sonex) (registry code 05634JI)
- Engine: [Aerovee 2.0](https://openairdocs.org/engine/aerovee-2-0) (registry code 01403)
- Serial number: 0255
- Year built: 2016
- Type of aircraft: Fixed wing single engine
- Engine type: 4 cycle
- Kit: Sonex Ltd SONEX
- Airworthiness: Experimental, amateur built
- Airworthiness date: April 28, 2016
- Certificate issued: September 14, 2015
- Last registry action: September 14, 2015
- Mode S code: A26A42
- Owner when cancelled: [Seipt Paul R](https://openairdocs.org/faa-owner/SEIPT%20PAUL%20R)
- Location: [Richland, WA](https://openairdocs.org/faa-place/WA/Richland)
- Owner type: Individual
- Owner's area on the map: 46.3288° N, 119.2993° W: Placed by OpenAirDocs at the center of ZIP code 99354, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N255BZ
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=255BZ
- Page: https://openairdocs.org/deregistered/N255BZ-2017-08-14

From the FAA registry file of October 29, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe.

ADs and bulletins for the Paul R Seipt SONEX: https://openairdocs.org/model/paul-r-seipt-sonex.md

## NTSB investigations (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB WPR17LA119](https://openairdocs.org/ntsb/WPR17LA119), Jun 3, 2017: Paul R Seipt Sonex (N255BZ), Garfield, WA, substantial damage. Probable cause: The pilot’s improper torque of screws that attached the flywheel mounting flange to the crankshaft during engine assembly, which resulted in heavy vibrations and the subsequent in-flight loss of the…

## FAA accident and incident reports (1)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Accident 20170603007949A](https://openairdocs.org/incident/20170603007949A), Jun 3, 2017: Paul R Seipt SONEX (N255BZ), Garfield, WA, Substantial damage. Aircraft departed spokane, felts field enroute to pullman, WA. While in cruise flight at 4000' MSL over Garfield WA, pilot noticed small vibration in engine…

---
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.