# N521Y: 1962 Grumman G-164, registration cancelled 2012-09-12

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: September 12, 2012
- Status when cancelled: Sale reported, pending cancellation
- Airframe: [Grumman G-164](https://openairdocs.org/model/grumman-g-164) (registry code 3952702)
- Engine: [Pratt & Whitney R-985 series](https://openairdocs.org/engine/pratt-whitney-r-985-series) (registry code 52008)
- Data sheets: [TCDS 1A16](https://openairdocs.org/tcds/1A16) (OpenAirDocs)
- Serial number: 144
- Year built: 1962
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Restricted, agriculture and pest control
- Airworthiness date: February 8, 1964
- Last registry action: October 11, 1980
- Mode S code: A68ECB
- Location: [Summerfield, FL](https://openairdocs.org/faa-place/FL/Summerfield)
- Owner type: Corporation
- Owner's area on the map: 29.0086° N, 82.0348° W: Placed by OpenAirDocs: center of Summerfield, FL, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N521Y
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=521Y
- Page: https://openairdocs.org/deregistered/N521Y-2012-09-12

From the FAA registry file of November 4, 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 FTW72DPG30](https://openairdocs.org/ntsb/FTW72DPG30), Aug 22, 1971: Grumman G-164 (N521Y), Moro, AR, substantial damage
- [NTSB FTW68D0121](https://openairdocs.org/ntsb/FTW68D0121), Jul 24, 1967: Grumman G-164 (N521Y), Hickory Ridge, AR, substantial damage

## Other aircraft with N521Y

- [Registered now](https://openairdocs.org/aircraft/N521Y): Cirrus Design SR22T, S/N 10509, built 2025
- [Cancelled 1962-12-10](https://openairdocs.org/deregistered/N521Y-1962-12-10): Grumman G-164, S/N 158. Exported to Nicaragua. Owner: [Smith Kirkpatrick & Co Inc](https://openairdocs.org/faa-owner/SMITH%20KIRKPATRICK%20%26%20CO%20INC), [New York, NY](https://openairdocs.org/faa-place/NY/New%20York)

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