# NTSB FTW68D0036: Grumman G-164, N515Y, Gueydan, LA, May 31, 1967

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: May 31, 1967
- Place: Gueydan, LA · GUEYDAN, LA
- Location: 30.0290° N, 92.5070° W: Placed by OpenAirDocs: center of Gueydan, LA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=30.0290&lon=-92.5070&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious
- Status: Completed, report September 25, 1967
- Report: Brief approved by the director
- NTSB case key (mKey): 116846
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW68D0036
- Page: https://openairdocs.org/ntsb/FTW68D0036

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0410  67/5/31    GUEYDAN,LA          GRUMMAN G-164       CR-  0  1  0  COMMERCIAL                COMMERCIAL, AGE 46, 20000
        TIME - 1400                    N515Y               PX-  0  0  0  ASSOC CROP CTL ACTIVITY   TOTAL HOURS, 1600 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: WIRES/POLES                               TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - EXERCISED POOR JUDGMENT
           WEATHER - SUDDEN WINDSHIFT
        FACTOR(S)
           WEATHER - THUNDERSTORM ACTIVITY
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          UNKNOWN/NOT REPORTED                                      4000
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     THUNDERSTORM
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  RELATIVE BEARING OF WIND
          NONE                                                     TAIL WIND 158-202 DEGREES
        TEMPERATURE-F                                            TYPE OF WEATHER CONDITIONS
           67                                                      VFR
        TYPE OF FLIGHT PLAN
          NONE
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 9999                       KIND OF OPERATION - FERTILIZING (DUST)
          KIND OF CROP - RICE                                      PILOT' S SEAT BELT -UNKNOWN/NOT REPORTED
          GLOVES - USED                                            GOGGLES - USED
          CRASH HELMET - AVAILABLE USED                            COCKPIT CRASHPAD - INSTALLED
          CRASH BAR - INSTALLED                                    TANK/HOPPER-LOCATION - FORWARD OF PILOT
        REMARKS- THUNDERSTORM APPROACHING.PILOT ENCOUNTERED 180 DEGREE WINDSHIFT AT LIFT OFF,UNABLE TO CLEAR WIRES.
```

## Aircraft

- Registration: [N515Y](https://openairdocs.org/aircraft/N515Y), registered now, S/N 147, built 1962 (OpenAirDocs)
- Reported make and model: GRUMMAN G-164
- Registry model: [Grumman G-164](https://openairdocs.org/model/grumman-g-164) (registry code 3952702) (OpenAirDocs)
- Registry engine: [Jacobs R755A series](https://openairdocs.org/engine/jacobs-r755a-series) (registry code 35006, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage

## Other investigations on N515Y (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 FTW73DRD20](https://openairdocs.org/ntsb/FTW73DRD20), Apr 30, 1973: Grumman G-164 (N515Y), Ville Platte, LA, substantial damage

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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