# N5784N: 2022 David Weinberg SONEX B

- Status: Valid registration
- Airframe: [David Weinberg SONEX B](https://openairdocs.org/model/david-weinberg-sonex-b) (registry code 05640EJ, 2 seats)
- Engine: [Ulpower 350I](https://openairdocs.org/engine/ulpower-350i) (registry code 62001)
- Serial number: 0026
- Year built: 2022
- Type: Fixed wing single engine
- Engine type: 4 cycle
- Kit: Sonex Aircraft LLC SONEX B
- Airworthiness: Experimental, amateur built
- Airworthiness date: September 27, 2022
- Certificate issued: July 16, 2021
- Expires: July 31, 2028
- Mode S code: A76F12
- Registered owner: [Weinberg David](https://openairdocs.org/faa-owner/WEINBERG%20DAVID)
- Location: [Oakland, CA](https://openairdocs.org/faa-place/CA/Oakland)
- Owner type: Individual
- Owner's area on the map: 37.8348° N, 122.2642° W: Placed by OpenAirDocs at the center of ZIP code 94609, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=5784N
- Page: https://openairdocs.org/aircraft/N5784N

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 (David Weinberg SONEX B)

None in force.

### Matched by engine (Ulpower 350I)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N5784N.

## 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.

- [Incident 20221120021139I](https://openairdocs.org/incident/20221120021139I), Nov 20, 2022: David Weinberg SONEX B (N5784N), Oakland, CA, Minor damage. At 2312 zulu time, [privacy data omitted] was in the air for approximately 45 minutes while performing an engine break in. It was flying right rectangular…

## 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 N5784N

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N5784N before.

- [Cancelled 2010-03-10](https://openairdocs.org/deregistered/N5784N-2010-03-10): Rockwell International 114, S/N 14363, built 1978. Exported to Canada. Owner: [Orthoair LLC](https://openairdocs.org/faa-owner/ORTHOAIR%20LLC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington)
- [Cancelled 1960-04-26](https://openairdocs.org/deregistered/N5784N-1960-04-26): Cessna 195, S/N 7123. Owner: [Freedam Aircraft Engineering Corp](https://openairdocs.org/faa-owner/FREEDAM%20AIRCRAFT%20ENGINEERING%20CORP), [Charlevoix, MI](https://openairdocs.org/faa-place/MI/Charlevoix)

## Related

- Other David Weinberg SONEX B aircraft: https://openairdocs.org/model/david-weinberg-sonex-b/aircraft.md
- The Ulpower 350I engine: https://openairdocs.org/engine/ulpower-350i.md

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