# N93LB: 1993 Wightman William A RV-4

- Status: Valid registration
- Airframe: [Wightman William A RV-4](https://openairdocs.org/model/wightman-william-a-rv-4) (registry code 05623WR, 2 seats)
- Engine: [Lycoming I0360 SER A&C](https://openairdocs.org/engine/lycoming-i0360-ser-a-c) (registry code 41511)
- Serial number: 1
- Year built: 1993
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: June 26, 1997
- Certificate issued: January 27, 2010
- Expires: April 30, 2029
- Mode S code: ACE44C
- Registered owner: [Wickel John W](https://openairdocs.org/faa-owner/WICKEL%20JOHN%20W)
- Location: [Etna, WY](https://openairdocs.org/faa-place/WY/Etna)
- Owner type: Individual
- Owner's area on the map: 43.0673° N, 110.9035° W: Placed by OpenAirDocs at the center of ZIP code 83118, within about 5 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=93LB
- Page: https://openairdocs.org/aircraft/N93LB

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 (Wightman William A RV-4)

None in force.

### Matched by engine (Lycoming I0360 SER A&C)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N93LB.

## FAA accident and incident reports

None matched to N93LB.

## 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.

## Related

- Other Wightman William A RV-4 aircraft: https://openairdocs.org/model/wightman-william-a-rv-4/aircraft.md
- The Lycoming I0360 SER A&C engine: https://openairdocs.org/engine/lycoming-i0360-ser-a-c.md

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