# N23MJ: 2012 Imark Productions SQ2

- Status: Valid registration
- Airframe: [Imark Productions SQ2](https://openairdocs.org/model/imark-productions-sq2) (registry code 05631OT, 2 seats)
- Engine: [Aerosport IO-375 series](https://openairdocs.org/engine/aerosport-io-375-series) (registry code 01305)
- Serial number: TCQ1107081
- Year built: 2012
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Kit: Backcountry Super Cubs LLC SQ2
- Airworthiness: Experimental, amateur built
- Airworthiness date: April 30, 2012
- Certificate issued: November 1, 2024
- Expires: November 30, 2031
- Mode S code: A20743
- Registered owner: [Beer Land LLC](https://openairdocs.org/faa-owner/BEER%20LAND%20LLC)
- Location: [Columbus, MT](https://openairdocs.org/faa-place/MT/Columbus)
- Owner type: LLC
- Owner's area on the map: 45.6290° N, 109.2411° W: Placed by OpenAirDocs at the center of ZIP code 59019, within about 10 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=23MJ
- Page: https://openairdocs.org/aircraft/N23MJ

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 Aerosport IO-375 model are included.

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

### Matched by airframe (Imark Productions SQ2)

None in force.

### Matched by engine (Aerosport IO-375 series)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N23MJ.

## NTSB investigations on N23MJ not matched to an aircraft (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 FTW78IA070](https://openairdocs.org/ntsb/FTW78IA070), Aug 14, 1978: Lear Jet 24D (N23MJ), Dallas, TX, incident, minor damage

## FAA accident and incident reports

None matched to N23MJ.

## 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 Imark Productions SQ2 aircraft: https://openairdocs.org/model/imark-productions-sq2/aircraft.md
- The Aerosport IO-375 series engine: https://openairdocs.org/engine/aerosport-io-375-series.md

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