# N6780K: 1978 Grumman Acft ENG Cor-Schweizer G-164B, registration cancelled 2013-10-30

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: October 30, 2013
- Exported to: Uruguay
- Status when cancelled: Valid registration
- Airframe: [Grumman Acft ENG Cor-Schweizer G-164B](https://openairdocs.org/model/grumman-acft-eng-cor-schweizer-g-164b) (registry code 3952802)
- Engine: [Pratt & Whitney R1340 series](https://openairdocs.org/engine/pratt-whitney-r1340-series) (registry code 52016)
- Data sheets: [TCDS 1A16](https://openairdocs.org/tcds/1A16) (OpenAirDocs)
- Serial number: 471B
- Year built: 1978
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Restricted, agriculture and pest control
- Airworthiness date: September 29, 1978
- Last registry action: November 15, 2010
- Mode S code: A8FBD2
- Owner when cancelled: [American Agviation Inc](https://openairdocs.org/faa-owner/AMERICAN%20AGVIATION%20INC)
- Location: [Walnut Ridge, AR](https://openairdocs.org/faa-place/AR/Walnut%20Ridge)
- Owner type: Corporation
- Owner's area on the map: 36.0461° N, 90.9168° W: Placed by OpenAirDocs at the center of ZIP code 72476, within about 8 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N6780K
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=6780K
- Page: https://openairdocs.org/deregistered/N6780K-2013-10-30

From the FAA registry file of October 31, 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 Grumman Acft ENG Cor-Schweizer G-164B: https://openairdocs.org/model/grumman-acft-eng-cor-schweizer-g-164b.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 ERA10CA313](https://openairdocs.org/ntsb/ERA10CA313), Jun 16, 2010: Grumman Acft ENG Cor-Schweizer G-164B (N6780K), Mayfield, KY, substantial damage. Probable cause: The pilot's improper recovery from a bounced landing, resulting in a nose-over.

## 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 20100616035249A](https://openairdocs.org/incident/20100616035249A), Jun 16, 2010: Grumman Acf G-164B (N6780K), Mayfield, KY, Minor damage. The pilot was performing required 14CFRPART 137 agricultural pilot knowledge &skill test for certification. When demonstrating the landing portion of the test,…

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