# N958BM: 2019 Brad G Marcum THATCHER CX4

- Status: Valid registration
- Airframe: [Brad G Marcum THATCHER CX4](https://openairdocs.org/model/brad-g-marcum-thatcher-cx4) (registry code 05637UL, 1 seats)
- Engine: [Revmaster 2100D](https://openairdocs.org/engine/revmaster-2100d) (registry code 52552)
- Serial number: 179
- Year built: 2019
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: April 8, 2019
- Certificate issued: June 18, 2024
- Expires: June 30, 2031
- Mode S code: AD5284
- Registered owner: [Rocca John C](https://openairdocs.org/faa-owner/ROCCA%20JOHN%20C)
- Location: [Box Elder, SD](https://openairdocs.org/faa-place/SD/Box%20Elder)
- Owner type: Individual
- Owner's area on the map: 44.2312° N, 102.9944° W: Placed by OpenAirDocs at the center of ZIP code 57719, within about 7 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=958BM
- Page: https://openairdocs.org/aircraft/N958BM

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 (Brad G Marcum THATCHER CX4)

None in force.

### Matched by engine (Revmaster 2100D)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N958BM.

## FAA accident and incident reports

None matched to N958BM.

## 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 Brad G Marcum THATCHER CX4 aircraft: https://openairdocs.org/model/brad-g-marcum-thatcher-cx4/aircraft.md
- The Revmaster 2100D engine: https://openairdocs.org/engine/revmaster-2100d.md

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