# NTSB LAX83LA057: Grumman G-164B, N6713Q, Westley, CA, December 9, 1982

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: December 9, 1982, 15:00 local (23:00 UTC)
- Place: Westley, CA
- Coordinates: 37.539119, -121.289329 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=37.5391&lon=-121.2893&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report December 9, 1983
- Report: Approved by Office Director
- NTSB case key (mKey): 73020
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX83LA057
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/73020/pdf
- Page: https://openairdocs.org/ntsb/LAX83LA057

## Sequence of events

In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf).

- In flight collision with terrain/water, maneuvering - aerial application
  - weather condition - haze/smoke (contributing factor)
  - light condition - sunglare (contributing factor)
  - proper altitude - not maintained, pilot in command (cause)

## Analysis

THE ACFT COLLIDED WITH A DIRT BERM DURING A SWATH RUN TEARING OFF BOTH MAIN LANDING GEAR. THE ACFT CONTINUED TO FLY & AN EMERGENCY LANDING WAS MADE AT CROW'S LANDING NAS. THE PLT ATTRIBUTED HIS INABILITY TO MAINTAIN SUFFICIENT GROUND CLEARANCE TO THE HAZE & SETTING SUN DIRECTLY AHEAD OF HIS SWATH.

## Aircraft

- Registration: [N6713Q](https://openairdocs.org/deregistered/N6713Q-1990-09-19), registration cancelled 1990-09-19, S/N 229B (OpenAirDocs)
- Reported make and model: GRUMMAN G-164B
- Registry model: [Grumman Acft ENG Cor-Schweizer G-164B](https://openairdocs.org/model/grumman-acft-eng-cor-schweizer-g-164b) (registry code 3952802) (OpenAirDocs)
- Category: Airplane
- Serial number: 229-B
- Airframe hours: 1655
- Engines: P & W R-985-AN1 450 horsepower reciprocating
- Damage: Substantial damage
- Flight: Aerial application, Part 137
- Operator: Valley Crop Dusters Inc.
- Registered owner: Valley Crop Dusters Inc.

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 59; commercial; airplane ratings: single-engine land; medical: class 2, valid medical--w/ waivers/lim; flight hours: 6,500 total, 1,500 in this make and model, 75 in the last 90 days, 2 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Dusk

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19821209063689A](https://openairdocs.org/incident/19821209063689A), Dec 9, 1982: Scwzer G164B, Westley, CA, Substantial damage. Struck a mound of dirt while making a spray run into the sun. Impact tore off the landing gear.

## Other investigations on N6713Q (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 LAX89DVA05](https://openairdocs.org/ntsb/LAX89DVA05), Mar 18, 1989: Grumman G-164B (N6713Q), Westley, CA, substantial damage. Probable cause: A LOSS OF ENGINE POWER FOR UNDETERMINED REASONS. A FACTOR RELATED TO THE ACCIDENT WAS THE PROXIMITY OF OBSTRUCTIONS.

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.

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