# NTSB LAX83LA249: Grumman-Schweizer G-164C, N6627K, Live Oak, CA, May 26, 1983

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Limited investigation · Final report
- Date: May 25, 1983, 17:54 local (May 26, 1983, 00:54 UTC)
- Place: Live Oak, CA
- Coordinates: 39.229091, -121.779853 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=39.2291&lon=-121.7799&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 23725
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX83LA249
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/23725/pdf
- Page: https://openairdocs.org/ntsb/LAX83LA249

## Sequence of events

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

- In flight collision with object, maneuvering - aerial application
  - object - wire,transmission (contributing factor)
  - clearance - misjudged, pilot in command (cause)
- In flight collision with terrain/water, descent - uncontrolled

## Analysis

THE PLT WAS ON A FLIGHT TO SEED A RICE FIELD WITH 2 SETS OF POWER LINES LOCATED NEAR ITS WEST EDGE. THE PLT HAD SEEDED THE FIELD MANY TIMES BEFORE, & REPORTEDLY, WAS FAMILIAR WITH THE AREA. DURING THE 1ST SWATH RUN, WHICH WAS FROM EAST TO WEST, THE ACFT COLLIDED WITH THE 1ST SET OF POWER LINES, APRX 30 FT AGL. SUBSEQUENTLY, THE ACFT CRASHED TO THE GROUND & CAME TO REST ABOUT 150 YARDS WEST OF THE POWER LINES.

## Aircraft

- Registration: [N6627K](https://openairdocs.org/deregistered/N6627K-1985-08-19), registration cancelled 1985-08-19, S/N 12C2 (OpenAirDocs)
- Reported make and model: Grumman-Schweizer G-164C
- Registry model: [Grumman Acft ENG Cor-Schweizer G-164C](https://openairdocs.org/model/grumman-acft-eng-cor-schweizer-g-164c) (registry code 3952803) (OpenAirDocs)
- Category: Airplane
- Serial number: 6075
- Airframe hours: 3261
- Engines: GARRETT TPE-331-1-101 600 horsepower turbo prop
- Damage: Destroyed
- Flight: Aerial application, Part 137
- Registered owner: Bowles Flying Service Inc.
- Airworthiness certificate: Special, Restricted (Special)
- Last inspection: Annual, March 28, 1983, 90 hours before
- Departed: 025, LIVE OAK, CA

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 41; commercial; airplane ratings: multi-engine sea, multi-engine land; instrument ratings: airplane, helicopter; medical: class 2, valid medical--no waivers/lim.; seat: center; toxicology performed; flight hours: 8,000 total, 3,000 in this make and model, 125 in the last 90 days, 6 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 170° at 7 knots
- Visibility: 10 statute miles
- Lowest ceiling: none
- Temperature: 97 °F, dew point 63 °F
- Altimeter: 29.00 inHg
- Observed at: MYV, 13 nm away

## 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 19830525021019A](https://openairdocs.org/incident/19830525021019A), May 25, 1983: Scwzer G164C, Live Oak, CA, Destroyed. Struck wires on a pullup from a swath run. Setting sun obscured pilots vision of wires. Was familiar with field.

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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