# N4647: 1973 Grumman Acft ENG Cor-Schweizer G-164A, registration cancelled 2020-01-06

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: January 6, 2020
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Grumman Acft ENG Cor-Schweizer G-164A](https://openairdocs.org/model/grumman-acft-eng-cor-schweizer-g-164a) (registry code 3952801)
- Engine: [Pratt & Whitney R1340 series](https://openairdocs.org/engine/pratt-whitney-r1340-series) (registry code 52016)
- Data sheets: [TCDS 1A16](https://openairdocs.org/tcds/1A16) (OpenAirDocs)
- Serial number: 1074
- Year built: 1973
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Restricted, agriculture and pest control
- Airworthiness date: April 23, 1973
- Certificate issued: February 22, 1990
- Last registry action: August 20, 2016
- Mode S code: A5ABC4
- Owner when cancelled: [Ramsey John M](https://openairdocs.org/faa-owner/RAMSEY%20JOHN%20M)
- Location: [Garwood, TX](https://openairdocs.org/faa-place/TX/Garwood)
- Owner type: Individual
- Owner's area on the map: 29.4379° N, 96.4950° W: Placed by OpenAirDocs at the center of ZIP code 77442, within about 8 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N4647
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4647
- Page: https://openairdocs.org/deregistered/N4647-2020-01-06

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 Acft ENG Cor-Schweizer G-164A: https://openairdocs.org/model/grumman-acft-eng-cor-schweizer-g-164a.md

## NTSB investigations (1)

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 FTW88DRG07](https://openairdocs.org/ntsb/FTW88DRG07), Feb 26, 1988: Grumman G-164A (N4647), Alamo, TX, 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 19880226012739A](https://openairdocs.org/incident/19880226012739A), Feb 26, 1988: Scwzer G164A (N4647), Alamo, TX, Destroyed. Loud bang and power loss on level off and power reduction, struck a dirt bank. Flipped over. Fire obscured cause.

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