# N6977K: 1979 Grumman Acft ENG Cor-Schweizer G-164B, registration cancelled 2018-01-23

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: January 23, 2018
- 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: 532B
- Year built: 1979
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Restricted, agriculture and pest control
- Airworthiness date: January 25, 1979
- Certificate issued: February 25, 2004
- Last registry action: June 15, 2010
- Mode S code: A9480E
- Owner when cancelled: [Trinkle Ag Flying Inc](https://openairdocs.org/faa-owner/TRINKLE%20AG%20FLYING%20INC)
- Location: [Tracy, CA](https://openairdocs.org/faa-place/CA/Tracy)
- Owner type: Corporation
- Owner's area on the map: 37.7368° N, 121.4340° W: Placed by OpenAirDocs at the center of ZIP code 95376, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N6977K
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=6977K
- Page: https://openairdocs.org/deregistered/N6977K-2018-01-23

From the FAA registry file of October 29, 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 LAX90DVG02](https://openairdocs.org/ntsb/LAX90DVG02), Nov 18, 1989: Schweizer G-164B (N6977K), Knights Landing, CA, substantial damage. Probable cause: THE FAILURE OF THE RIGHT MAIN LANDING GEAR DUE TO A SHEARED BOLT THAT ATTACHED THE SPRING LEG TO THE GEAR.
- [NTSB LAX81FVG41](https://openairdocs.org/ntsb/LAX81FVG41), Jun 5, 1981: Grumman G-164 (N6977K), Davis, CA, substantial damage

## 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 20040217003739A](https://openairdocs.org/incident/20040217003739A), Feb 17, 2004: Scwzer G164B (N6977K), Tracy, CA, Destroyed. (-23) Pilot was returning aircraft to trinkle ag flying, inc.'s north landing strip when he experienced a rough running engine. He made a forced landing in an…
- [Accident 19891118046369A](https://openairdocs.org/incident/19891118046369A), Nov 18, 1989: Scwzer G164B (N6977K), Knights Landing, CA, Substantial damage. Right main gear broke off on Landing roll. Two attach bolts AN992A had sheared.
- [Accident 19810605040779A](https://openairdocs.org/incident/19810605040779A), Jun 5, 1981: Scwzer G164B (N6977K), Davis, CA, Substantial damage. Landing gear struck rice levee on spray run. Impact tore engine loose. Airplane flipped over while landing.

## Other aircraft with N6977K

- [Cancelled 1965-05-22](https://openairdocs.org/deregistered/N6977K-1965-05-22): Piper PA-20, S/N 20-84. Owner: [Mccord James](https://openairdocs.org/faa-owner/MCCORD%20JAMES), [Fairbanks, AK](https://openairdocs.org/faa-place/AK/Fairbanks)

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