# N1874M: Meares Thomas H CHALLENGER II

- Status: Valid registration
- Airframe: [Meares Thomas H CHALLENGER II](https://openairdocs.org/model/meares-thomas-h-challenger-ii) (registry code 0590322, 2 seats)
- Engine: [Rotax 503 DCDI](https://openairdocs.org/engine/rotax-503-dcdi) (registry code 55566)
- Serial number: CH2-2240
- Type: Fixed wing single engine
- Engine type: 2 cycle
- Airworthiness: Experimental, registered before 01/31/08
- Airworthiness date: November 13, 2007
- Certificate issued: April 2, 2024
- Expires: April 30, 2031
- Mode S code: A15D9D
- Registered owner: [Anderson William Henry](https://openairdocs.org/faa-owner/ANDERSON%20WILLIAM%20HENRY)
- Location: [Holt, FL](https://openairdocs.org/faa-place/FL/Holt)
- Owner type: Individual
- Owner's area on the map: 30.7288° N, 86.7819° W: Placed by OpenAirDocs at the center of ZIP code 32564, within about 6 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=1874M
- Page: https://openairdocs.org/aircraft/N1874M

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 (Meares Thomas H CHALLENGER II)

None in force.

### Matched by engine (Rotax 503 DCDI)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N1874M.

## FAA accident and incident reports

None matched to N1874M.

## 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.

## Service difficulty reports on N1874M not matched to an aircraft (1)

They name N1874M, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [SDR 96ZZZX1385](https://openairdocs.org/sdr/96ZZZX1385), Jan 22, 1996: ELT. WIRE BROKEN. WEAK TRANSMISSION BATTERY VOLTAGE GOOD. WIRE BROKEN OFF ANTENNA CONNECTOR INSIDE TRANSMITTER FROM CIRCUIT BOARD. RETURNED TO MANUFACTURER FOR REPAIR.

## STCs that may be installed (OpenAirDocs)

None matched to this aircraft's models.

## Related

- Other Meares Thomas H CHALLENGER II aircraft: https://openairdocs.org/model/meares-thomas-h-challenger-ii/aircraft.md
- The Rotax 503 DCDI engine: https://openairdocs.org/engine/rotax-503-dcdi.md

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