# N40MH: 2010 Hyatt Max G RV-12

- Status: Valid registration
- Airframe: [Hyatt Max G RV-12](https://openairdocs.org/model/hyatt-max-g-rv-12) (registry code 05629GN, 2 seats)
- Engine: [Rotax 912ULS series](https://openairdocs.org/engine/rotax-912uls-series) (registry code 55572)
- Serial number: 120128
- Year built: 2010
- Type: Fixed wing single engine
- Engine type: 4 cycle
- Kit: Vans Aircraft Inc RV-12
- Airworthiness: Experimental, amateur built
- Airworthiness date: January 29, 2010
- Certificate issued: April 21, 2020
- Expires: April 30, 2027
- Mode S code: A4AB63
- Registered owner: [Arnold Robert](https://openairdocs.org/faa-owner/ARNOLD%20ROBERT)
- Location: [Mesa, AZ](https://openairdocs.org/faa-place/AZ/Mesa)
- Owner type: Individual
- Owner's area on the map: 33.4484° N, 111.7662° W: Placed by OpenAirDocs at the center of ZIP code 85213, 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=40MH
- Page: https://openairdocs.org/aircraft/N40MH

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 (Hyatt Max G RV-12)

None in force.

### Matched by engine (Rotax 912ULS series)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N40MH.

## FAA accident and incident reports

None matched to N40MH.

## 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 N40MH not matched to an aircraft (1)

They name N40MH, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [SDR 97ZZZX489](https://openairdocs.org/sdr/97ZZZX489), Jan 9, 1997: CHECK VALVE. CONTAMINATED. ON TAKEOFF, ACFT FILLED WITH SMOKE AND FUEL ODOR. PILOT SHUT FLOW PACKS OFF AND A/C CLEARED. NORMAL LANDING. INVESTIGATED AND FOUND LT FUEL PURGE TANK CHECK VAL

## STCs that may be installed (OpenAirDocs)

None matched to this aircraft's models.

## Earlier aircraft with N40MH

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N40MH before.

- [Cancelled 1989-12-13](https://openairdocs.org/deregistered/N40MH-1989-12-13): Rolladen-Schneider OHG LS1-F, S/N 438. N-number assigned, not yet registered

## Related

- Other Hyatt Max G RV-12 aircraft: https://openairdocs.org/model/hyatt-max-g-rv-12/aircraft.md
- The Rotax 912ULS series engine: https://openairdocs.org/engine/rotax-912uls-series.md

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.