# N721Y: Grumman G-164, registration cancelled 1984-06-19

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: June 19, 1984
- Status when cancelled: Valid registration
- Airframe: [Grumman G-164](https://openairdocs.org/model/grumman-g-164) (registry code 3952702)
- Data sheets: [TCDS 1A16](https://openairdocs.org/tcds/1A16) (OpenAirDocs)
- Serial number: 283
- Type of aircraft: Fixed wing single engine
- Certificate issued: January 31, 1981
- Mode S code: A9A969
- Owner when cancelled: [Millards Air Service Inc](https://openairdocs.org/faa-owner/MILLARDS%20AIR%20SERVICE%20INC)
- Location: [Katy, TX](https://openairdocs.org/faa-place/TX/Katy)
- Owner type: Corporation
- The mark today: https://openairdocs.org/aircraft/N721Y
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=721Y
- Page: https://openairdocs.org/deregistered/N721Y-1984-06-19

From the FAA registry file of November 7, 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-164: https://openairdocs.org/model/grumman-g-164.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 FTW67D0230](https://openairdocs.org/ntsb/FTW67D0230), Aug 19, 1966: Grumman G-164 (N721Y), Blessing, TX, substantial damage
- [NTSB FTW66F0188](https://openairdocs.org/ntsb/FTW66F0188), Aug 2, 1965: Grumman G-164 (N721Y), Otey, TX, substantial damage

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