# N11KG: 1977 Gersbach SIDEWINDER, registration cancelled 2009-06-26

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: June 26, 2009
- Status when cancelled: Registration revoked
- Airframe: [Gersbach SIDEWINDER](https://openairdocs.org/model/gersbach-sidewinder) (registry code 0564908)
- Engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508)
- Data sheets: [TCDS E-274](https://openairdocs.org/tcds/E-274) (OpenAirDocs)
- Serial number: 212100
- Year built: 1977
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: July 26, 1977
- Certificate issued: January 9, 1975
- Last registry action: February 22, 1977
- Mode S code: A02AC2
- Owner when cancelled: [Gersbach Kenneth A](https://openairdocs.org/faa-owner/GERSBACH%20KENNETH%20A)
- Location: [Plano, TX](https://openairdocs.org/faa-place/TX/Plano)
- Owner type: Individual
- Owner's area on the map: 33.0333° N, 96.6728° W: Placed by OpenAirDocs at the center of ZIP code 75074, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N11KG
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=11KG
- Page: https://openairdocs.org/deregistered/N11KG-2009-06-26

From the FAA registry file of November 3, 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 Gersbach SIDEWINDER: https://openairdocs.org/model/gersbach-sidewinder.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 FTW77FPA24](https://openairdocs.org/ntsb/FTW77FPA24), Aug 4, 1977: Gersbach Sdwndr (N11KG), Hebron, TX, substantial damage, 1 fatal

## Other aircraft with N11KG

- [Registered now](https://openairdocs.org/aircraft/N11KG): Hawker Beechcraft G36, S/N E-3981, built 2012

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