# N668U: Grumman G-164A, registration cancelled 1996-01-08

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: January 8, 1996
- 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: 408
- Type of aircraft: Fixed wing single engine
- Certificate issued: September 16, 1986
- Last registry action: October 18, 1995
- Mode S code: A8D3B3
- Owner when cancelled: [By Ag Air Service Inc](https://openairdocs.org/faa-owner/BY%20AG%20AIR%20SERVICE%20INC)
- Location: [Deming, NM](https://openairdocs.org/faa-place/NM/Deming)
- Owner type: Corporation
- Owner's area on the map: 32.1734° N, 107.7274° W: Placed by OpenAirDocs at the center of ZIP code 88030, within about 29 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N668U
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=668U
- Page: https://openairdocs.org/deregistered/N668U-1996-01-08

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 G-164A: https://openairdocs.org/model/grumman-g-164a.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 DEN90DQA02](https://openairdocs.org/ntsb/DEN90DQA02), Aug 1, 1990: Grumman G-164A (N668U), Deming, NM, substantial damage. Probable cause: FAILURE OF THE PILOT TO MAINTAIN CONTROL DURING LANDING ROLL DUE TO THE CONDITION OF THE RUNWAY. CONTRIBUTING TO THE ACCIDENT WAS THE POOR MAINTENANCE OF THE RUNWAY SURFACE.
- [NTSB FTW70D0039](https://openairdocs.org/ntsb/FTW70D0039), Jun 27, 1969: Grumman G-164 (N668U), Danbury, TX, 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 19900801029509A](https://openairdocs.org/incident/19900801029509A), Aug 1, 1990: Scwzer G164A (N668U), Deming, NM, Substantial damage. Wheels hit a soft spot on the ag strip on landing roll. Aircraft nosed over.

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