# N499CT: 2007 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: 07-03-09
- Year built: 2007
- Type: Fixed wing single engine
- Engine type: 4 cycle
- Airworthiness: Experimental, operating light-sport, previously under 21.190
- Airworthiness date: March 28, 2019
- Certificate issued: January 14, 2008
- Expires: September 30, 2029
- Mode S code: A631CB
- Registered owner: [Bertram Forest System LLC](https://openairdocs.org/faa-owner/BERTRAM%20FOREST%20SYSTEM%20LLC)
- Location: [Appleton, WI](https://openairdocs.org/faa-place/WI/Appleton)
- Owner type: LLC
- Owner's area on the map: 44.3360° N, 88.4000° W: Placed by OpenAirDocs at the center of ZIP code 54913, within about 5 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=499CT
- Page: https://openairdocs.org/aircraft/N499CT

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 CEN25LA204](https://openairdocs.org/ntsb/CEN25LA204), Jun 6, 2025: Flight Design Ctsw (N499CT), Pembine, WI, substantial damage. Probable cause: The pilot’s improper flare during landing which resulted in a bounced landing.

## FAA accident and incident reports (1)

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 20250606007489A](https://openairdocs.org/incident/20250606007489A), Jun 6, 2025: Flight Design Gmbh CTSW (N499CT), Beecher, WI, Substantial damage. On 6/6/2025 at 1230 CST, a Ctsw light sport aircraft, [privacy data omitted] bounced during landing causing a porpoise that collapsed the nose gear and caused…

## 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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