# N523MH: Flightstar IISL

- Status: Valid registration
- Airframe: [Flightstar IISL](https://openairdocs.org/model/flightstar-iisl) (registry code 05902IE, 2 seats)
- Engine: [Rotax 503 DCDI](https://openairdocs.org/engine/rotax-503-dcdi) (registry code 55566)
- Serial number: 126
- Type: Fixed wing single engine
- Engine type: 2 cycle
- Airworthiness: Experimental, registered before 01/31/08
- Airworthiness date: September 4, 2007
- Certificate issued: September 4, 2024
- Expires: September 30, 2031
- Mode S code: A6952E
- Registered owner: [Schmalzel Douglass](https://openairdocs.org/faa-owner/SCHMALZEL%20DOUGLASS)
- Location: [Allenton, MI](https://openairdocs.org/faa-place/MI/Allenton)
- Owner type: Individual
- Owner's area on the map: 42.9350° N, 82.9165° W: Placed by OpenAirDocs at the center of ZIP code 48002, 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=523MH
- Page: https://openairdocs.org/aircraft/N523MH

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 (Flightstar IISL)

None in force.

### Matched by engine (Rotax 503 DCDI)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N523MH.

## FAA accident and incident reports

None matched to N523MH.

## 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 N523MH

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N523MH before.

- [Cancelled 1995-03-23](https://openairdocs.org/deregistered/N523MH-1995-03-23): Hopkins R / Hopkins M PROTECH PT-2, S/N PT1093. Triennial form not returned. Owner: [Hopkins Richard](https://openairdocs.org/faa-owner/HOPKINS%20RICHARD), [Mill Spring, NC](https://openairdocs.org/faa-place/NC/Mill%20Spring)

## Related

- Other Flightstar IISL aircraft: https://openairdocs.org/model/flightstar-iisl/aircraft.md
- The Rotax 503 DCDI engine: https://openairdocs.org/engine/rotax-503-dcdi.md

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