# N855GS: 2009 Riser John T GLASTAR

- Status: Valid registration
- Airframe: [Riser John T GLASTAR](https://openairdocs.org/model/riser-john-t-glastar) (registry code 05627U1, 2 seats)
- Engine: [Superior O-360 series](https://openairdocs.org/engine/superior-o-360-series) (registry code 59250)
- Data sheets: [TCDS E00001SC](https://openairdocs.org/tcds/E00001SC) (Superior Air Parts Inc.) (OpenAirDocs)
- Serial number: 5758
- Year built: 2009
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Kit: Stoddard Hamilton GLASTAR
- Airworthiness: Experimental, operating kit built
- Airworthiness date: June 10, 2009
- Certificate issued: February 6, 2009
- Expires: July 31, 2029
- Mode S code: ABBA92
- Registered owner: [Riser John T](https://openairdocs.org/faa-owner/RISER%20JOHN%20T)
- Location: [Estacada, OR](https://openairdocs.org/faa-place/OR/Estacada)
- Owner type: Individual
- Owner's area on the map: 45.2040° N, 122.2007° W: Placed by OpenAirDocs at the center of ZIP code 97023, within about 8 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=855GS
- Page: https://openairdocs.org/aircraft/N855GS

From the FAA registry file of October 21, 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 Superior O-360 model are included.

## ADs that may apply (OpenAirDocs): 1 in force

### Matched by airframe (Riser John T GLASTAR)

None in force.

### Matched by engine (Superior O-360 series)

- [AD 2020-25-12](https://openairdocs.org/ad/2020-25-12): Reciprocating Engine Power Section · Superior Air Parts IO-360-A1A1, IO-360-A1A2, IO-360-A2A1 and 146 more. Effective Jan 15, 2021

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N855GS.

## FAA accident and incident reports

None matched to N855GS.

## Service difficulty reports

None filed for this aircraft.

## Related

- Other Riser John T GLASTAR aircraft: https://openairdocs.org/model/riser-john-t-glastar/aircraft.md
- STCs for the Riser John T GLASTAR: https://openairdocs.org/model/riser-john-t-glastar/stcs.md
- The Superior O-360 series engine: https://openairdocs.org/engine/superior-o-360-series.md

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