# Accident 20180429014909A: Grumman Acft Eng Cor-Schweizer G-164C, Maxwell, CA, April 29, 2018

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: April 29, 2018, 15:30 local time
- Place: Maxwell, CA
- Damage: Substantial damage
- Phase of flight: Maneuver
- Operating rules: General operating rules (Part 91)
- Operator: RJVG
- Location: 39.2647° N, 122.1192° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=39.2647&lon=-122.1192&mi=10
- Aircraft: N6674K, registered now (https://openairdocs.org/aircraft/N6674K) (OpenAirDocs)
- Registry model: Grumman Acft ENG Cor-Schweizer G-164C (registry code 3952803, https://openairdocs.org/model/grumman-acft-eng-cor-schweizer-g-164c) (OpenAirDocs)
- Registry engine: Pratt & Whitney R1340 series (registry code 52016, https://openairdocs.org/engine/pratt-whitney-r1340-series) (OpenAirDocs)
- Reported make and model: GRUMMAN ACFT ENG COR-SCHWEIZER G-164C
- Reported engine: GARRETT TPE 331-10
- People aboard: 1
- Fatal injuries: 0
- Other injuries: 0
- Pilot certificates: Commercial pilot
- Pilot flight hours: 7,185 total, 3,507 in this make and model, 12 in the last 90 days
- NTSB investigation: [NTSB WPR18LA128](https://openairdocs.org/ntsb/WPR18LA128) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20180429014909A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

PILOT REPORTED LEAVING HOME AIRPORT (12CL) ON A POST MAINTENANCE FLIGHT AROUND THE HOME AIRPORT. MAINTENANCE HAD BEEN DONE ON THE WINDOW/DOOR LATCH, (IT HAD BEEN COMING OPEN IN FLIGHT.) DURING MANEUVERING NEAR THE LANDING STRIP THE ENGINE STARTED TO SURGE 2-3 TIMES THEN LOST POWER COMPLETELY. THE PILOT ELECTED TO LAND STRAIGHT AHEAD RATHER THAN TO RISK A 180 DEGREE TURN TO THE RUNWAY. THE AIRCRAFT LANDED IN A CULTIVATED FIELD WHICH WAS VERY SOFT. THE MAIN WHEELS DUG IN AS THE AIRCRAFT SLOWED DOWN CAUSING IT TO FLIP OVER DAMAGING THE PROPELLER, ENGINE WINGS AND TAIL. THE PILOT WAS NOT INJURED.

## The NTSB's investigation of this event (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 WPR18LA128](https://openairdocs.org/ntsb/WPR18LA128), Apr 29, 2018: Grumman Acft ENG Cor-Schweizer G 164C (N6674K), Maxwell, CA, substantial damage. Probable cause: A total loss of engine power due to an uncommanded closing of the fuel shutoff valve, which terminated fuel to the engine. The reason for the fuel shutoff valve’s closure could not be determined…

## Other reports on N6674K (3)

Matched to the same aircraft by N-number and date.

- [Accident 20170526007849A](https://openairdocs.org/incident/20170526007849A), May 26, 2017: Grumman Acft Eng Cor-Schweizer G-164C (N6674K), Maxwell, CA, Substantial damage. Pilot mismanaged fuel consumption and engine failed due to fuel starvation.
- [Accident 19850701029019A](https://openairdocs.org/incident/19850701029019A), Jul 1, 1985: Scwzer G164C (N6674K), Platte, SD, Substantial damage. Gear struck center pivot of an irrigation structure during spray run. Upon landing, damaged gear collapsed.
- [Accident 19810814052899A](https://openairdocs.org/incident/19810814052899A), Aug 14, 1981: Grumav G164C (N6674K), Platte, SD, Substantial damage. Slow airspeed on spray run entry. Mushed into ground. Failed to dump load or use power recovery.

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. For accidents, the NTSB's own investigation is the fuller record.

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