# N88WL: 2025 Frankewich Walter S-21 OUTBOUND

- Status: Valid registration
- Airframe: [Frankewich Walter S-21 OUTBOUND](https://openairdocs.org/model/frankewich-walter-s-21-outbound) (registry code 05643EW, 2 seats)
- Engine: [Continental IOX340 series](https://openairdocs.org/engine/continental-iox340-series) (registry code 17490)
- Serial number: 02210165
- Year built: 2025
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Kit: Rans Designs Inc S-21 OUTBOUND
- Airworthiness: Experimental, amateur built
- Airworthiness date: November 14, 2025
- Certificate issued: September 29, 2025
- Expires: September 30, 2032
- Mode S code: AC1D7B
- Registered owner: [Frankewich Walter](https://openairdocs.org/faa-owner/FRANKEWICH%20WALTER)
- Location: [Maryville, TN](https://openairdocs.org/faa-place/TN/Maryville)
- Owner type: Individual
- Owner's area on the map: 35.7923° N, 83.8932° W: Placed by OpenAirDocs at the center of ZIP code 37804, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=88WL
- Page: https://openairdocs.org/aircraft/N88WL

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. The registry lists only the engine series, so ADs for every Continental IOX340 model are included.

## ADs that may apply (OpenAirDocs): 0 in force

### Matched by airframe (Frankewich Walter S-21 OUTBOUND)

None in force.

### Matched by engine (Continental IOX340 series)

None in force.

## Information bulletins (advisory)

None matched.

## 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 ERA26LA099](https://openairdocs.org/ntsb/ERA26LA099), Jan 19, 2026: Frankewich Walter S-21 Outbound (N88WL), Madisonville, TN, substantial damage. Probable cause: The pilot’s failure to compensate for gusty crosswind conditions during the landing roll, which resulted in a loss of control and subsequent runway excursion.

## 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 20260119000149A](https://openairdocs.org/incident/20260119000149A), Jan 19, 2026: Frankewich Walter S-21 OUTBOUND (N88WL), Madisonville, TN, Substantial damage. Pilot stated that they got to the plane, conducted preflight, checked weather through foreflight. The sky was clear; it was a beautiful day with nothing…

## 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 N88WL

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N88WL before.

- [Cancelled 2018-01-17](https://openairdocs.org/deregistered/N88WL-2018-01-17): Livesay Wallace R III PITTS SPECIAL S-1, S/N WBL-0001. Registration expired, pending cancellation. Owner: [Livesay Wallace B III](https://openairdocs.org/faa-owner/LIVESAY%20WALLACE%20B%20III), [Houston, TX](https://openairdocs.org/faa-place/TX/Houston)

## Related

- Other Frankewich Walter S-21 OUTBOUND aircraft: https://openairdocs.org/model/frankewich-walter-s-21-outbound/aircraft.md
- The Continental IOX340 series engine: https://openairdocs.org/engine/continental-iox340-series.md

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