# N91ZS: 2017 Brian Deem JUST ACFT HIGHLANDER

- Status: Valid registration
- Airframe: [Brian Deem JUST ACFT HIGHLANDER](https://openairdocs.org/model/brian-deem-just-acft-highlander) (registry code 05634GE, 2 seats)
- Engine: [Rotax 912ULS series](https://openairdocs.org/engine/rotax-912uls-series) (registry code 55572)
- Serial number: JA391-07-14
- Year built: 2017
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Kit: Just Aircraft LLC HIGHLANDER
- Airworthiness: Experimental, amateur built
- Airworthiness date: February 2, 2018
- Certificate issued: June 25, 2019
- Expires: June 30, 2029
- Mode S code: AC96A2
- Registered owner: [Brown John M](https://openairdocs.org/faa-owner/BROWN%20JOHN%20M)
- Location: [Fort Mill, SC](https://openairdocs.org/faa-place/SC/Fort%20Mill)
- Owner type: Individual
- Owner's area on the map: 35.0482° N, 80.9867° W: Placed by OpenAirDocs at the center of ZIP code 29708, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=91ZS
- Page: https://openairdocs.org/aircraft/N91ZS

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 Rotax 912ULS model are included.

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

### Matched by airframe (Brian Deem JUST ACFT HIGHLANDER)

None in force.

### Matched by engine (Rotax 912ULS 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 CEN24LA352](https://openairdocs.org/ntsb/CEN24LA352), Sep 11, 2024: Just Highlander (N91ZS), Clarksdale, MS, substantial damage. Probable cause: The pilot’s failure to maintain control during takeoff in gusting crosswind conditions.

## 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 20240911012839A](https://openairdocs.org/incident/20240911012839A), Sep 11, 2024: Brian Deem JUST ACFT HIGHLANDER (N91ZS), Clarksdale, MS, Substantial damage. Departing runway 18, kckm, pilot lost directional control due to wind gusts.

## 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 Brian Deem JUST ACFT HIGHLANDER aircraft: https://openairdocs.org/model/brian-deem-just-acft-highlander/aircraft.md
- The Rotax 912ULS series engine: https://openairdocs.org/engine/rotax-912uls-series.md

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