# N620AK: 2018 Kostrzewa Andre SONEX LIGHT SPORT, registration cancelled 2022-05-28

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: May 28, 2022
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Kostrzewa Andre SONEX LIGHT SPORT](https://openairdocs.org/model/kostrzewa-andre-sonex-light-sport) (registry code 05634PF)
- Engine: [Aerovee 2.1](https://openairdocs.org/engine/aerovee-2-1) (registry code 01402)
- Serial number: 162D
- Year built: 2018
- Type of aircraft: Fixed wing single engine
- Engine type: 4 cycle
- Airworthiness: Experimental, amateur built
- Airworthiness date: October 15, 2018
- Certificate issued: January 5, 2016
- Last registry action: January 2, 2019
- Mode S code: A81647
- Owner when cancelled: [Kostrzewa Andre](https://openairdocs.org/faa-owner/KOSTRZEWA%20ANDRE)
- Location: [Salt Lake City, UT](https://openairdocs.org/faa-place/UT/Salt%20Lake%20City)
- Owner type: Individual
- Owner's area on the map: 40.8659° N, 112.0391° W: Placed by OpenAirDocs at the center of ZIP code 84116, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N620AK
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=620AK
- Page: https://openairdocs.org/deregistered/N620AK-2022-05-28

From the FAA registry file of November 5, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe.

ADs and bulletins for the Kostrzewa Andre SONEX LIGHT SPORT: https://openairdocs.org/model/kostrzewa-andre-sonex-light-sport.md

## 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 WPR20LA196](https://openairdocs.org/ntsb/WPR20LA196), Jun 25, 2020: Kostrazewa Andre Sonex Light Sport (N620AK), Centerville, UT, destroyed, 2 fatal. Probable cause: The pilot flying’s exceedance of the airplane’s critical angle of attack during an attempted forced landing, which resulted in an aerodynamic stall and impact with terrain. The reason for the…

## 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 20200625008409A](https://openairdocs.org/incident/20200625008409A), Jun 25, 2020: Kostrzewa Andre SONEX LIGHT SPORT (N620AK), Centerville, UT, Destroyed, 2 fatal. According to a dash camera that caught the accident on video, the aircraft was traveling south at a low level and abruptly made a hard right bank. The aircraft…

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