# N165CT: 2006 Flight Design CTSW

- Status: Valid registration
- Airframe: [Flight Design CTSW](https://openairdocs.org/model/flight-design-ctsw) (registry code 0600001, 2 seats)
- Engine: [Rotax 912ULS series](https://openairdocs.org/engine/rotax-912uls-series) (registry code 55572)
- Serial number: 06-03-09
- Year built: 2006
- Type: Fixed wing single engine
- Engine type: 4 cycle
- Airworthiness: Experimental, operating light-sport, previously under 21.190
- Airworthiness date: March 9, 2017
- Certificate issued: July 8, 2026
- Expires: July 31, 2033
- Mode S code: A10485
- Registered owner: [Dutiful Son LLC](https://openairdocs.org/faa-owner/DUTIFUL%20SON%20LLC)
- Location: [Sheridan, WY](https://openairdocs.org/faa-place/WY/Sheridan)
- Owner type: LLC
- Owner's area on the map: 44.8325° N, 106.8963° W: Placed by OpenAirDocs at the center of ZIP code 82801, within about 13 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=165CT
- Page: https://openairdocs.org/aircraft/N165CT

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 (Flight Design CTSW)

None in force.

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

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 CEN23LA200](https://openairdocs.org/ntsb/CEN23LA200), May 23, 2023: Flight Design Ctsw (N165CT), Gregory, MI, substantial damage. Probable cause: The pilot’s improper landing flare that resulted in a hard, bounced landing and subsequent overstress failure of the nose landing gear.

## FAA accident and incident reports (2)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Accident 20230523007939A](https://openairdocs.org/incident/20230523007939A), May 23, 2023: Flight Design Gmbh CTSW (N165CT), Gregory, MI, Substantial damage. Meet with pilot of aircraft, confirmed he was un-injured. Pilot commented police and EMS were called and responded by accident feature in his cell phone. A…
- [Incident 20110521010839I](https://openairdocs.org/incident/20110521010839I), May 21, 2011: Flight Design Gmbh CTSW (N165CT), Ormond Beach, FL, Minor damage. After landing, nose landing gear collapsed upon turn off at the entrance of taxiway bravo.

## 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 Flight Design CTSW aircraft: https://openairdocs.org/model/flight-design-ctsw/aircraft.md
- The Rotax 912ULS series engine: https://openairdocs.org/engine/rotax-912uls-series.md

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