# N33LZ: 2007 Hayden William J GLASTAR GS-1

- Status: Valid registration
- Airframe: [Hayden William J GLASTAR GS-1](https://openairdocs.org/model/hayden-william-j-glastar-gs-1) (registry code 05621LX, 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: 5883
- Year built: 2007
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Kit: Glasair Aviation LLC GS-1 GLASTAR
- Airworthiness: Experimental, amateur built
- Airworthiness date: July 18, 2007
- Certificate issued: December 16, 2019
- Expires: December 31, 2029
- Mode S code: A39488
- Registered owner: [Knob Life LLC](https://openairdocs.org/faa-owner/KNOB%20LIFE%20LLC)
- Location: [Stuart, FL](https://openairdocs.org/faa-place/FL/Stuart)
- Owner type: LLC
- Owner's area on the map: 27.1769° N, 80.1890° W: Placed by OpenAirDocs at the center of ZIP code 34996, 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=33LZ
- Page: https://openairdocs.org/aircraft/N33LZ

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 Superior O-360 model are included.

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

### Matched by airframe (Hayden William J GLASTAR GS-1)

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 N33LZ.

## FAA accident and incident reports

None matched to N33LZ.

## 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) (3)

Approved for this aircraft's airframe or engine model, in force first, then newest. The registry doesn't record which STCs an aircraft has; its records do.

### Approved for the engine (Superior O-360 series)

- [STC SE04651CH](https://openairdocs.org/stc/SE04651CH): To allow use of l00R grade aviation fuel meeting Swift Fuel, LLC specification SPEC-l00R-22. Swift Fuels LLC
- [STC SE04349CH](https://openairdocs.org/stc/SE04349CH): Installation of SureFly electronic ignition. SureFly Partners Ltd. Lists O-360-A1A1
- [STC SE04577CH](https://openairdocs.org/stc/SE04577CH): Install an electronic engine ignition system. Electroair Acquisition Corp. Lists O-360-A1A1

## Related

- Other Hayden William J GLASTAR GS-1 aircraft: https://openairdocs.org/model/hayden-william-j-glastar-gs-1/aircraft.md
- The Superior O-360 series engine: https://openairdocs.org/engine/superior-o-360-series.md

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