# NTSB LAX79DUG51: Grumman G-164B, N6728Q, Blythe, CA, August 11, 1979

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: August 11, 1979
- Place: Blythe, CA · BLYTHE, CA
- Location: 33.6535° N, 114.6218° W: Placed by OpenAirDocs: center of Blythe, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=33.6535&lon=-114.6218&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious
- Status: Completed, report September 5, 1979
- Report: Brief approved by the director
- NTSB case key (mKey): 135067
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX79DUG51
- Page: https://openairdocs.org/ntsb/LAX79DUG51

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1303  79/8/11    BLYTHE,CA           GRUMMAN G-164B      CR-  0  1  0  COMMERCIAL                COMMERCIAL, AGE 40, 2500
        TIME - 0320                    N6728Q              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 880 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          BLYTH,CA                    LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: WIRES/POLES                               IN FLIGHT: SURVEY FIELD/AREA
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO SEE AND AVOID OBJECTS OR OBSTRUCTIONS
        FACTOR(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 2200                       KIND OF OPERATION - DUSTING CROPS
          KIND OF CROP - COTTON                                    TYPE OF CHEMICAL USED - LIQUID CHEMICAL-TOXIC
          PILOT' S SEAT BELT -UNKNOWN/NOT REPORTED                 GLOVES - NOT USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - INSTALLED                             CRASH BAR - INSTALLED
          TANK/HOPPER-LOCATION - FORWARD OF PILOT                  TERRAIN-TYPE -LEVEL,FLAT
          ELEVATION-AREA BEING TREATED-FEET -  100                 SWATH RUN-HOW FLOWN - DOWNWIND
```

## Aircraft

- Registration: [N6728Q](https://openairdocs.org/aircraft/N6728Q), registered now, S/N 241B, built 1977 (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)
- Registry engine: [Pratt & Whitney R-985 series](https://openairdocs.org/engine/pratt-whitney-r-985-series) (registry code 52008, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed

## 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 19790811019049A](https://openairdocs.org/incident/19790811019049A), Aug 11, 1979: Gulstm G164B, Blythe, CA, Destroyed. Ag pilot hit wires during night spraying activities.

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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