# Accident 19891116045719A: Scwzer G164B, Grimes, CA, November 16, 1989

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: November 16, 1989, 08:45 local time
- Place: Grimes, CA
- Damage: Substantial damage
- Phase of flight: Fcd/Prec Ldg From Cruise
- Operating rules: Agricultural (Part 137)
- Operator: NGRG
- Location: 39.0398° N, 121.9004° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=39.0398&lon=-121.9004&mi=10
- Aircraft: N3633Q, a cancelled registration (https://openairdocs.org/deregistered/N3633Q-2012-04-05) (OpenAirDocs)
- Registry model: Schweizer G-164B (registry code 8059055, https://openairdocs.org/model/schweizer-g-164b) (OpenAirDocs)
- Reported make and model: SCWZER G164B
- Reported engine: PWA R1340AN1
- People aboard: 1
- Fatal injuries: 0
- Pilot flight hours: 20,000 total, 6,000 in this make and model, 300 in the last 90 days
- NTSB investigation: [NTSB LAX90DVG01](https://openairdocs.org/ntsb/LAX90DVG01) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19891116045719A

## Narrative

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

ENGINE QUIT ON SPRAY OPERATION. LANDED IN SOFT FIELD AND NOSED OVER. PROPELLER COUNTERWEIGHT WAS MISSING.

## 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 LAX90DVG01](https://openairdocs.org/ntsb/LAX90DVG01), Nov 16, 1989: Schweizer G-164B (N3633Q), Grimes, CA, substantial damage. Probable cause: FAILURE OF THE COUNTER WEIGHT BRACKET TO THE PROPELLER ASSEMBLY.

## Other reports on N3633Q (3)

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

- [Accident 20070513011219A](https://openairdocs.org/incident/20070513011219A), May 13, 2007: Scwzer G164B (N3633Q), Colusa, CA, Destroyed, 1 fatal. (-23) Pilot was flying agricultural flight and applying rice seed. Witnesses observed aircraft strike a high tension wire, which sheared off part of the…
- [Accident 19950203001089A](https://openairdocs.org/incident/19950203001089A), Feb 3, 1995: Scwzer G164B (N3633Q), Brule, NE, Substantial damage. En route noted no fuel pressure. Nosed over on forced landing. No anomalies found on post accident inspection.
- [Accident 19910509014872A](https://openairdocs.org/incident/19910509014872A), May 9, 1991: Scwzer G164B (N3633Q), Marysville, CA, Destroyed. On turning climbout collided head on with N4012Y that was on spray turn around from nearby field. Failed note other

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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