# N673U: Grumman G-164A, registration cancelled 1997-04-21

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: April 21, 1997
- Status when cancelled: Triennial form not returned
- Airframe: [Grumman G-164A](https://openairdocs.org/model/grumman-g-164a) (registry code 3952704)
- Data sheets: [TCDS 1A16](https://openairdocs.org/tcds/1A16) (OpenAirDocs)
- Serial number: 412
- Type of aircraft: Fixed wing single engine
- Certificate issued: December 2, 1987
- Last registry action: February 19, 1997
- Mode S code: A8E89F
- Owner when cancelled: [Charter Aviation Inc](https://openairdocs.org/faa-owner/CHARTER%20AVIATION%20INC)
- Location: [Williams, CA](https://openairdocs.org/faa-place/CA/Williams)
- Owner type: Corporation
- Owner's area on the map: 39.1036° N, 122.2470° W: Placed by OpenAirDocs at the center of ZIP code 95987, within about 10 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N673U
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=673U
- Page: https://openairdocs.org/deregistered/N673U-1997-04-21

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 G-164A: https://openairdocs.org/model/grumman-g-164a.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 LAX88DVG02](https://openairdocs.org/ntsb/LAX88DVG02), Dec 2, 1987: Grumman G-164A (N673U), Williams, CA, substantial damage

## 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 19871202069019A](https://openairdocs.org/incident/19871202069019A), Dec 2, 1987: Scwzer G164A (N673U), Williams, CA, Substantial damage. Encountered downdraft in lee of hills. Dumped load but settled into ground. Blamed engine. No defects found.

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