# N6681Q: Grumman Acft ENG Cor-Schweizer G-164B, registration cancelled 1992-01-15

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: January 15, 1992
- 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)
- Data sheets: [TCDS 1A16](https://openairdocs.org/tcds/1A16) (OpenAirDocs)
- Serial number: 1700
- Type of aircraft: Fixed wing single engine
- Certificate issued: September 6, 1991
- Last registry action: September 9, 1991
- Mode S code: A8D47B
- Owners when cancelled: [Hamman Alvin D Co Trustee](https://openairdocs.org/faa-owner/HAMMAN%20ALVIN%20D%20CO%20TRUSTEE), [Hamman Rita C Co Trustee](https://openairdocs.org/faa-owner/HAMMAN%20RITA%20C%20CO%20TRUSTEE)
- Location: [Eloy, AZ](https://openairdocs.org/faa-place/AZ/Eloy)
- Owner type: Co-owned
- Owner's area on the map: 32.7559° N, 111.5548° W: Placed by OpenAirDocs: center of Eloy, AZ, within about 6 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N6681Q
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=6681Q
- Page: https://openairdocs.org/deregistered/N6681Q-1992-01-15

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 (3)

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 LAX91LA332](https://openairdocs.org/ntsb/LAX91LA332), Jul 28, 1991: Grumman G-164B (N6681Q), Arizona City, AZ, destroyed, 1 fatal. Probable cause: FAILURE OF THE PILOT TO MAINTAIN AN ADEQUATE VISUAL OUTLOOK TO AVOID THE COLLISION WITH THE POWER TRANSMISSION LINES. CONTRIBUTING TO THE ACCIDENT WAS THE DARK NIGHT LIGHT CONDITIONS THAT PREVAILED…
- [NTSB MKC81DCJ25](https://openairdocs.org/ntsb/MKC81DCJ25), Aug 5, 1981: Grumman G-164B (N6681Q), Ewing, NE, destroyed
- [NTSB FTW78FRA22](https://openairdocs.org/ntsb/FTW78FRA22), May 26, 1978: Grumman G-164A (N6681Q), Rosharon, TX, destroyed

## 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 19910728030339A](https://openairdocs.org/incident/19910728030339A), Jul 28, 1991: Scwzer G164B (N6681Q), Arizona City, AZ, Destroyed, 1 fatal. Struck powerline,crashed and burned while spraying a cotton field at night.
- [Accident 19810805047679A](https://openairdocs.org/incident/19810805047679A), Aug 5, 1981: Grumav G164B (N6681Q), Ewing, NE, Destroyed. Struck power-line on pullup from a swath run.
- [Accident 19780526014519A](https://openairdocs.org/incident/19780526014519A), May 26, 1978: Gulstm G164A (N6681Q), Rosharon, TX, Destroyed

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