# N6781K: Grumman Acft ENG Cor-Schweizer G-164B, registration cancelled 2022-07-02

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: July 2, 2022
- Status when cancelled: Registration expired, pending cancellation
- 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: 472B
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Restricted, agriculture and pest control
- Airworthiness date: September 29, 1978
- Certificate issued: March 28, 2019
- Last registry action: March 28, 2019
- Mode S code: A8FBF5
- Owner when cancelled: [Air Enterprises LLC](https://openairdocs.org/faa-owner/AIR%20ENTERPRISES%20LLC)
- Location: [Magnolia, DE](https://openairdocs.org/faa-place/DE/Magnolia)
- Owner type: LLC
- Owner's area on the map: 39.0688° N, 75.4884° W: Placed by OpenAirDocs at the center of ZIP code 19962, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N6781K
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=6781K
- Page: https://openairdocs.org/deregistered/N6781K-2022-07-02

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 Grumman Acft ENG Cor-Schweizer G-164B: https://openairdocs.org/model/grumman-acft-eng-cor-schweizer-g-164b.md

## NTSB investigations (2)

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 ERA16LA242](https://openairdocs.org/ntsb/ERA16LA242), Jul 2, 2016: Grumman Acft ENG Cor-Schweizer G-164 (N6781K), Laurel, DE, substantial damage. Probable cause: A total loss of engine power due to an encounter with a bird, which collided with the spray pump fan assembly and subsequently sent blade fragments into the engine compartment, damaging the throttle…
- [NTSB WPR10LA396](https://openairdocs.org/ntsb/WPR10LA396), Aug 11, 2010: Grumman G164 (N6781K), Tracy, CA, substantial damage. Probable cause: A total loss of engine power while maneuvering due to an internal catastrophic failure to the master rod and piston connecting rod links.

## FAA accident and incident reports (3)

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 20160702013599A](https://openairdocs.org/incident/20160702013599A), Jul 2, 2016: Grumman Acft Eng Cor-Schweizer G-164B (N6781K), Laurel, DE, Substantial damage. At the finish of the last pass of spraying a field in sussex county Delaware, pilot reports hearing a loud bang followed by loss of engine power. Aircraft was…
- [Accident 20100811042329A](https://openairdocs.org/incident/20100811042329A), Aug 11, 2010: Grumman Acf G-164B (N6781K), Tracy, CA, Substantial damage. Pilot had departed their private airstrip for his second application flight of the day. Shortly after takeoff at aprox 200 feet AGL pilot heard a loud "bang"…
- [Incident 19880518037929I](https://openairdocs.org/incident/19880518037929I), May 18, 1988: Scwzer G164B (N6781K), Morganza, LA, Substantial damage. Struck a levee during a swath run and landed minus the gear. Blamed dirty windshield and blind by morning sun.

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