# Accident 19910812035579A: Scwzer G164A, Wasco, CA, August 12, 1991

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: August 12, 1991, 07:00 local time
- Place: Wasco, CA
- Damage: Substantial damage
- Phase of flight: Fcd/Prec Ldg From Cruise
- Operating rules: Agricultural (Part 137)
- Location: 35.6395° N, 119.4401° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=35.6395&lon=-119.4401&mi=10
- Aircraft: N4663, a cancelled registration (https://openairdocs.org/deregistered/N4663-2015-05-19) (OpenAirDocs)
- Registry model: Grumman G-164A (registry code 3952704, https://openairdocs.org/model/grumman-g-164a) (OpenAirDocs)
- Registry engine: Pratt & Whitney R1340 series (registry code 52016, https://openairdocs.org/engine/pratt-whitney-r1340-series) (OpenAirDocs)
- Reported make and model: SCWZER G164A
- Reported engine: PWA R1340AN1
- People aboard: 1
- Fatal injuries: 0
- Pilot flight hours: 18,000 total, 4,000 in this make and model, 150 in the last 90 days
- NTSB investigation: [NTSB LAX91LA364](https://openairdocs.org/ntsb/LAX91LA364) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19910812035579A

## Narrative

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

ENGINE FAILED DURING AG OPERATIONS. FOUND ENGINES CAMSHAFT WAS FRACTURED.

## 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 LAX91LA364](https://openairdocs.org/ntsb/LAX91LA364), Aug 12, 1991: Grumman G-164 (N4663), Wasco, CA, substantial damage. Probable cause: A TOTAL LOSS OF ENGINE POWER DUE TO A FRACTURE OF THE CAMSHAFT AND THE SUBSEQUENT FORCED LANDING INTO A SOFT FIELD.

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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