# N535D: 2018 Lou Pappas WAIEX B, registration cancelled 2023-05-04

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: May 4, 2023
- Status when cancelled: Valid registration
- Airframe: [Lou Pappas WAIEX B](https://openairdocs.org/model/lou-pappas-waiex-b) (registry code 05637HX)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Serial number: WXB0010
- Year built: 2018
- Type of aircraft: Fixed wing single engine
- Kit: Sonex Aircraft LLC WAIEX
- Airworthiness: Experimental, amateur built
- Airworthiness date: May 10, 2018
- Certificate issued: March 9, 2018
- Last registry action: April 28, 2023
- Mode S code: A6C34B
- Owner when cancelled: [Air-Spaces LLC](https://openairdocs.org/faa-owner/AIR-SPACES%20LLC)
- Location: [Litchfield Park, AZ](https://openairdocs.org/faa-place/AZ/Litchfield%20Park)
- Owner type: LLC
- Owner's area on the map: 33.5162° N, 112.4236° W: Placed by OpenAirDocs at the center of ZIP code 85340, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N535D
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=535D
- Page: https://openairdocs.org/deregistered/N535D-2023-05-04

From the FAA registry file of October 31, 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 Lou Pappas WAIEX B: https://openairdocs.org/model/lou-pappas-waiex-b.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 WPR22LA035](https://openairdocs.org/ntsb/WPR22LA035), Nov 15, 2021: Sonex Waiex B (N535D), Laveen Village, AZ, substantial damage. Probable cause: Failure of the rocker swivel assembly due to either wear or corrosion, which resulted in a loss of engine power.

## 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 20211115020069A](https://openairdocs.org/incident/20211115020069A), Nov 15, 2021: Lou Pappas WAIEX B (N535D), Laveen, AZ, Substantial damage. Pilot departed geu and had been flying for approximately 45 minutes. During his return flight from cgz to geu, at an altitude of 3500FT, the engine began…

---
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.