# N121HM: Mignet HM 1000

- Status: Valid registration
- Airframe: [Mignet HM 1000](https://openairdocs.org/model/mignet-hm-1000) (registry code 05901FW, 2 seats)
- Engine: [Rotax 582SER](https://openairdocs.org/engine/rotax-582ser) (registry code 55556)
- Serial number: 105
- Type: Fixed wing single engine
- Engine type: 2 cycle
- Airworthiness: Experimental, registered before 01/31/08
- Airworthiness date: October 1, 2006
- Certificate issued: May 10, 2023
- Expires: May 31, 2030
- Mode S code: A05824
- Registered owner: [Sill David E](https://openairdocs.org/faa-owner/SILL%20DAVID%20E)
- Location: [New Era, MI](https://openairdocs.org/faa-place/MI/New%20Era)
- Owner type: Individual
- Owner's area on the map: 43.5398° N, 86.3782° W: Placed by OpenAirDocs at the center of ZIP code 49446, 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=121HM
- Page: https://openairdocs.org/aircraft/N121HM

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 (Mignet HM 1000)

None in force.

### Matched by engine (Rotax 582SER)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N121HM.

## FAA accident and incident reports

None matched to N121HM.

## 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 N121HM

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N121HM before.

- [Cancelled (date not recorded)](https://openairdocs.org/deregistered/N121HM-undated): Aero Commander 1121, S/N 18. Triennial form not returned

## Related

- Other Mignet HM 1000 aircraft: https://openairdocs.org/model/mignet-hm-1000/aircraft.md
- The Rotax 582SER engine: https://openairdocs.org/engine/rotax-582ser.md

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