# NTSB MIA75DKT86: Grumman G-164A, N6631, Lake Harbor, FL, June 20, 1975

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 20, 1975
- Place: Lake Harbor, FL · LAKE HARBOR, FL
- Location: 26.6885° N, 80.8079° W: Placed by OpenAirDocs: center of Lake Harbor, FL, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=26.6885&lon=-80.8079&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report August 7, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 149338
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MIA75DKT86
- Page: https://openairdocs.org/ntsb/MIA75DKT86

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1636  75/6/20    LAKE HARBOR,FL      GRUMMAN G-164A      CR-  0  0  1  COMMERCIAL                AIRLINE TRANSPORT, AGE
        TIME - 1215                    N6631               PX-  0  0  0  AERIAL APPLICATION        39, 4168 TOTAL HOURS, 257
                                       DAMAGE-DESTROYED    OT-  0  0  0                            IN TYPE, INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          LAKE HARBOR,FL              LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
           COLLIDED WITH: CROP                                      LANDING: ROLL
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           MISCELLANEOUS ACTS,CONDITIONS - HYDRAULIC FAILURE
           MISCELLANEOUS ACTS,CONDITIONS - LOW FLUID LEVEL
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 1179                       KIND OF OPERATION - FERTILIZING (DUST)
          TYPE OF CHEMICAL USED - DRY CHEMICAL-NONTOXIC            PILOT' S SEAT BELT -FASTENED-PROPERLY
          GLOVES - USED                                            GOGGLES - USED
          CRASH HELMET - AVAILABLE USED                            COCKPIT CRASHPAD - INSTALLED
          CRASH BAR - INSTALLED                                    TANK/HOPPER-LOCATION - FORWARD OF PILOT
        REMARKS- NO BRAKE FLUID IN BRAKE SYSTEM.
```

## Aircraft

- Registration: [N6631](https://openairdocs.org/deregistered/N6631-1981-06-02), registration cancelled 1981-06-02, S/N 761 (OpenAirDocs)
- Reported make and model: GRUMMAN G-164A
- Registry model: [Grumman G-164A](https://openairdocs.org/model/grumman-g-164a) (registry code 3952704) (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 19750620015989A](https://openairdocs.org/incident/19750620015989A), Jun 20, 1975: Grumav G164A, Lake Harbor, FL, Substantial damage. No brake fluid in brake system.

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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