# N549CT: 2023 Collett William D SERIES 5

- Status: Valid registration
- Airframe: [Collett William D SERIES 5](https://openairdocs.org/model/collett-william-d-series-5) (registry code 05641UJ, 2 seats)
- Engine: [Rotax 912ULS series](https://openairdocs.org/engine/rotax-912uls-series) (registry code 55572)
- Serial number: S97110136-1
- Year built: 2023
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Kit: Skystar Aircraft Corp SERIES 5
- Airworthiness: Experimental, amateur built
- Airworthiness date: June 15, 2023
- Certificate issued: May 25, 2023
- Expires: May 31, 2030
- Mode S code: A6F99F
- Registered owner: [Collett William D](https://openairdocs.org/faa-owner/COLLETT%20WILLIAM%20D)
- Location: [Rydal, GA](https://openairdocs.org/faa-place/GA/Rydal)
- Owner type: Individual
- Owner's area on the map: 34.3634° N, 84.7274° W: Placed by OpenAirDocs at the center of ZIP code 30171, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=549CT
- Page: https://openairdocs.org/aircraft/N549CT

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 (Collett William D SERIES 5)

None in force.

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

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N549CT.

## FAA accident and incident reports

None matched to N549CT.

## 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 N549CT

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N549CT before.

- [Cancelled 2017-11-29](https://openairdocs.org/deregistered/N549CT-2017-11-29): Flight Design CTLS, S/N F-13-03-09, built 2014. Registration expired. Owner: [Light Sport Aviation Specialties LLC](https://openairdocs.org/faa-owner/LIGHT%20SPORT%20AVIATION%20SPECIALTIES%20LLC), [North Oaks, MN](https://openairdocs.org/faa-place/MN/North%20Oaks)

## Related

- Other Collett William D SERIES 5 aircraft: https://openairdocs.org/model/collett-william-d-series-5/aircraft.md
- The Rotax 912ULS series engine: https://openairdocs.org/engine/rotax-912uls-series.md

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