# N621U: 1965 Grumman G-164, registration cancelled 2013-04-29

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: April 29, 2013
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Grumman G-164](https://openairdocs.org/model/grumman-g-164) (registry code 3952702)
- Engine: [Jacobs R755B series](https://openairdocs.org/engine/jacobs-r755b-series) (registry code 35007)
- Data sheets: [TCDS 1A16](https://openairdocs.org/tcds/1A16), [TCDS E-237](https://openairdocs.org/tcds/E-237) (OpenAirDocs)
- Serial number: 349
- Year built: 1965
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Restricted, agriculture and pest control
- Airworthiness date: May 24, 1965
- Certificate issued: September 15, 1976
- Last registry action: June 15, 2010
- Mode S code: A81BB6
- Owner when cancelled: [Ewing Dusting Ser Inc](https://openairdocs.org/faa-owner/EWING%20DUSTING%20SER%20INC)
- Location: [Fitzgerald, GA](https://openairdocs.org/faa-place/GA/Fitzgerald)
- Owner type: Corporation
- Owner's area on the map: 31.7365° N, 83.2150° W: Placed by OpenAirDocs at the center of ZIP code 31750, within about 9 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N621U
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=621U
- Page: https://openairdocs.org/deregistered/N621U-2013-04-29

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 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 MIA79DKG52](https://openairdocs.org/ntsb/MIA79DKG52), Jun 28, 1979: Grumman G-164 (N621U), Fitzgerald, GA, substantial damage
- [NTSB FTW67F0540](https://openairdocs.org/ntsb/FTW67F0540), Apr 22, 1967: Grumman G-164 (N621U), Church Point, LA, destroyed

## 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 19790628025299A](https://openairdocs.org/incident/19790628025299A), Jun 28, 1979: Gulstm G164 (N621U), Fitzgerald, GA, Substantial damage. Carburetor float pin, p/n P16773, was missing from carburetor allowing float to drop down.

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