# N6647Q: Grumman Acft ENG Cor-Schweizer G-164B, registration cancelled 2013-04-30

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: April 30, 2013
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Grumman Acft ENG Cor-Schweizer G-164B](https://openairdocs.org/model/grumman-acft-eng-cor-schweizer-g-164b) (registry code 3952802)
- Data sheets: [TCDS 1A16](https://openairdocs.org/tcds/1A16) (OpenAirDocs)
- Serial number: 174B
- Type of aircraft: Fixed wing single engine
- Airworthiness: Restricted, agriculture and pest control
- Airworthiness date: January 4, 1977
- Certificate issued: April 7, 1977
- Last registry action: October 7, 1993
- Mode S code: A8C671
- Owners when cancelled: [Yon Bobby W](https://openairdocs.org/faa-owner/YON%20BOBBY%20W), [Yon Linda D](https://openairdocs.org/faa-owner/YON%20LINDA%20D)
- Location: [Marianna, FL](https://openairdocs.org/faa-place/FL/Marianna)
- Owner type: Co-owned
- Owner's area on the map: 30.8482° N, 85.2314° W: Placed by OpenAirDocs at the center of ZIP code 32446, within about 7 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N6647Q
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=6647Q
- Page: https://openairdocs.org/deregistered/N6647Q-2013-04-30

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 Acft ENG Cor-Schweizer G-164B: https://openairdocs.org/model/grumman-acft-eng-cor-schweizer-g-164b.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 MIA87LA254](https://openairdocs.org/ntsb/MIA87LA254), Sep 21, 1987: Grumman G-164B (N6647Q), Bristol, FL, 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 19870921054359A](https://openairdocs.org/incident/19870921054359A), Sep 21, 1987: Scwzer G164B (N6647Q), Bristol, FL, Substantial damage. Engine lost power enroute to spray field. Crash landed in trees. Engine problem could not be determined.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
