# N360ET: 2023 Gronberger Sergio A SPORTSMAN GS-2

- Status: Valid registration
- Airframe: [Gronberger Sergio A SPORTSMAN GS-2](https://openairdocs.org/model/gronberger-sergio-a-sportsman-gs-2) (registry code 05641MS, 4 seats)
- Engine: [Lycoming YIO-390-A3B6](https://openairdocs.org/engine/lycoming-yio-390-a3b6) (registry code 42420)
- Serial number: 0007505
- Year built: 2023
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Kit: Glasair Aviation USA LLC SPORTSMAN GS-2
- Airworthiness: Experimental, amateur built
- Airworthiness date: May 3, 2023
- Certificate issued: March 2, 2023
- Expires: March 31, 2030
- Mode S code: A40CC2
- Registered owner: [Gronberger Sergio A](https://openairdocs.org/faa-owner/GRONBERGER%20SERGIO%20A)
- Location: [Chicago, IL](https://openairdocs.org/faa-place/IL/Chicago)
- Owner type: Individual
- Owner's area on the map: 41.9729° N, 87.6626° W: Placed by OpenAirDocs at the center of ZIP code 60640, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=360ET
- Page: https://openairdocs.org/aircraft/N360ET

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 (Gronberger Sergio A SPORTSMAN GS-2)

None in force.

### Matched by engine (Lycoming YIO-390-A3B6)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations (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 WPR26LA368](https://openairdocs.org/ntsb/WPR26LA368), Sep 30, 2026: Gronberger Sergio A Sportsman GS-2 (N360ET), Lake Goodwin, WA, substantial damage, investigation ongoing

## FAA accident and incident reports

None matched to N360ET.

## 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 Gronberger Sergio A SPORTSMAN GS-2 aircraft: https://openairdocs.org/model/gronberger-sergio-a-sportsman-gs-2/aircraft.md
- The Lycoming YIO-390-A3B6 engine: https://openairdocs.org/engine/lycoming-yio-390-a3b6.md

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