# NTSB LAX81DVD39: Grumman G-164B, N6750K, Tracy, CA, August 12, 1981

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: August 12, 1981
- Place: Tracy, CA · TRACY, CA
- Location: 37.7274° N, 121.4522° W: Placed by OpenAirDocs: center of Tracy, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.7274&lon=-121.4522&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 9, 1981
- Report: Brief approved by the director
- NTSB case key (mKey): 123861
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX81DVD39
- Page: https://openairdocs.org/ntsb/LAX81DVD39

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2379  81/8/12  NR.TRACY,CA           GRUMMAN G-164B      CR-  0  1  0  COMMERCIAL                COMMERCIAL, AGE 36, 6000
        TIME - 1500                    N6750K              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 5000 IN
                                       DAMAGE-DESTROYED    OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         TRACY,CA                     LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: WIRES/POLES                               IN FLIGHT: SWATH RUN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO SEE AND AVOID OBJECTS OR OBSTRUCTIONS
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 5000                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - BEANS                                     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 -  180                 SWATH RUN-HOW FLOWN - CROSSWIND
        REMARKS- STRUCK PWR LN.
```

## Aircraft

- Registration: [N6750K](https://openairdocs.org/deregistered/N6750K-2023-08-08), registration cancelled 2023-08-08, S/N 449-B (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
- 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 19810812049199A](https://openairdocs.org/incident/19810812049199A), Aug 12, 1981: Grumav G164B, Tracy, CA, Destroyed. Aircraft collided with wires and crashed during spraying operation.

## Other investigations on N6750K (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 WPR23LA212](https://openairdocs.org/ntsb/WPR23LA212), Jun 4, 2023: Grumman Acft ENG Cor-Schweizer G-164B (N6750K), Colusa, CA, substantial damage. Probable cause: The pilot’s failure to maintain clearance from a power line during a low-level aerial application flight. Contributing to the accident was the pilot’s fatigue.

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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