# N399A: 2019 Jim Merwin KITFOX S7 SUPER SPOR

- Status: Registration pending
- Airframe: [Jim Merwin KITFOX S7 SUPER SPOR](https://openairdocs.org/model/jim-merwin-kitfox-s7-super-spor) (registry code 05638CL, 2 seats)
- Engine: [Rotax 912ULS series](https://openairdocs.org/engine/rotax-912uls-series) (registry code 55572)
- Serial number: KA12273245
- Year built: 2019
- Type: Fixed wing single engine
- Engine type: 4 cycle
- Kit: Kitfox Aircraft LLC S7 SUPER SPORT
- Airworthiness: Experimental, amateur built
- Airworthiness date: June 17, 2019
- Mode S code: A4A438
- Location: [Burson, CA](https://openairdocs.org/faa-place/CA/Burson)
- Owner type: Individual
- Owner's area on the map: 38.2012° N, 120.8551° W: Placed by OpenAirDocs at the center of ZIP code 95225, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=399A
- Page: https://openairdocs.org/aircraft/N399A

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 (Jim Merwin KITFOX S7 SUPER SPOR)

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 WPR20CA080](https://openairdocs.org/ntsb/WPR20CA080), Jan 25, 2020: Merwin Kitfox (N399A), Goodyear, AZ, substantial damage. Probable cause: The tail wheel mechanism detachment for reasons that could not be determined due to the lack of available evidence which resulted in the loss of directional control on 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 20200125002319A](https://openairdocs.org/incident/20200125002319A), Jan 25, 2020: Jim Merwin KITFOX S7 SUPER SPOR (N399A), Goodyear, AZ, Substantial damage. The pilot reported that the aircraft was being operated as experimental amateur-built during phase 1 flight testing to determine takeoff and landing…

## 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 N399A

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N399A before.

- [Cancelled 2012-11-14](https://openairdocs.org/deregistered/N399A-2012-11-14): Mooney M-18L, S/N 60, built 1949. Registration expired, pending cancellation. Owner: [Koch Theodore A](https://openairdocs.org/faa-owner/KOCH%20THEODORE%20A), [Vernon, CT](https://openairdocs.org/faa-place/CT/Vernon)

## Related

- Other Jim Merwin KITFOX S7 SUPER SPOR aircraft: https://openairdocs.org/model/jim-merwin-kitfox-s7-super-spor/aircraft.md
- The Rotax 912ULS series engine: https://openairdocs.org/engine/rotax-912uls-series.md

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