# N54YX: Hildebrandt Colin R WAIEX-B

- Status: Valid registration
- Airframe: [Hildebrandt Colin R WAIEX-B](https://openairdocs.org/model/hildebrandt-colin-r-waiex-b) (registry code 05643PP, 2 seats)
- Serial number: WXB0061
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Kit: Sonex Aircraft LLC WAIEX-B
- Certificate issued: April 7, 2026
- Expires: April 30, 2033
- Mode S code: A6D7CF
- Registered owners: [Hildebrandt Colin R](https://openairdocs.org/faa-owner/HILDEBRANDT%20COLIN%20R), [Hildebrandt Lynne R](https://openairdocs.org/faa-owner/HILDEBRANDT%20LYNNE%20R)
- Location: [Neenah, WI](https://openairdocs.org/faa-place/WI/Neenah)
- Owner type: Co-owned
- Owner's area on the map: 44.1823° N, 88.5276° W: Placed by OpenAirDocs at the center of ZIP code 54956, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=54YX
- Page: https://openairdocs.org/aircraft/N54YX

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 (Hildebrandt Colin R WAIEX-B)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N54YX.

## FAA accident and incident reports

None matched to N54YX.

## 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.

## Earlier aircraft with N54YX

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N54YX before.

- [Cancelled 2018-03-14](https://openairdocs.org/deregistered/N54YX-2018-03-14): Schmidt Steven C WAIEX, S/N W0054, built 2007. Registration expired, pending cancellation. Owner: [Stahl Steven K](https://openairdocs.org/faa-owner/STAHL%20STEVEN%20K), [Gahanna, OH](https://openairdocs.org/faa-place/OH/Gahanna)

## Related

- Other Hildebrandt Colin R WAIEX-B aircraft: https://openairdocs.org/model/hildebrandt-colin-r-waiex-b/aircraft.md

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