# NTSB MIA71FKA12: Grumman G-164, N399Y, Ponce, PR, June 22, 1971

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: June 22, 1971
- Place: Ponce, PR · PONCE,PR, PR
- Location: 17.9997° N, 66.6237° W: Placed by OpenAirDocs: center of Ponce, PR, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=17.9997&lon=-66.6237&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal
- Status: Completed, report February 14, 1972
- Report: Brief approved by the director
- NTSB case key (mKey): 161937
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MIA71FKA12
- Page: https://openairdocs.org/ntsb/MIA71FKA12

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2059  71/6/22    PONCE,PR            GRUMMAN G-164       CR-  1  0  0  COMMERCIAL                COMMERCIAL, AGE 44, 6110
        TIME - 0630                    N399Y               PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 4100 IN
                                       DAMAGE-DESTROYED    OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          PONCE,PR                    LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: WIRES/POLES                               IN FLIGHT: PROCEDURE TURNAROUND
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO SEE AND AVOID OBJECTS OR OBSTRUCTIONS
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - UNKNOWN/NOT REPORTED       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - OTHER                                     TYPE OF CHEMICAL USED - LIQUID CHEMICAL-TOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    GLOVES - NOT USED
          GOGGLES - 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 -  200                 SWATH RUN-HOW FLOWN - WIND CALM
          PROCEDURE TURNAROUND - FIRST 1/3 TURN
        REMARKS- SPRAYING SUGAR CANE.DIAZINON AG 500 GEIYE.
```

## Aircraft

- Registration: [N399Y](https://openairdocs.org/deregistered/N399Y-1971-06-25), registration cancelled 1971-06-25, S/N 211 (OpenAirDocs)
- Reported make and model: GRUMMAN G-164
- Registry model: [Grumman G-164](https://openairdocs.org/model/grumman-g-164) (registry code 3952702) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed

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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