# NTSB MIA78DKT21: Grumman G-164B, N6771Q, Clewiston, FL, December 14, 1977

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: December 14, 1977
- Place: Clewiston, FL · CLEWISTON, FL
- Location: 26.7528° N, 80.9392° W: Placed by OpenAirDocs: center of Clewiston, FL, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=26.7528&lon=-80.9392&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report February 2, 1978
- Report: Brief approved by the director
- NTSB case key (mKey): 143873
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MIA78DKT21
- Page: https://openairdocs.org/ntsb/MIA78DKT21

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3945  77/12/14   CLEWISTON,FL        GRUMMAN G-164B      CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 26, 1800
        TIME - 0825                    N6771Q              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 150 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          CLEWISTON,FL                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: WIRES/POLES                               IN FLIGHT: PROCEDURE TURNAROUND
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED ALTITUDE AND CLEARANCE
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 1350                       KIND OF OPERATION - FERTILIZING (DUST)
          KIND OF CROP - PASTURE                                   TYPE OF CHEMICAL USED - DRY CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -NOT FASTENED                         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 -  10                  SWATH RUN-HOW FLOWN - WIND CALM
          PROCEDURE TURNAROUND - THIRD 1/3 TURN
        REMARKS- LOST ALT DRG TURN.
```

## Aircraft

- Registration: [N6771Q](https://openairdocs.org/aircraft/N6771Q), registered now, S/N 280B (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 19771214039869A](https://openairdocs.org/incident/19771214039869A), Dec 14, 1977: Gulstm G164A, Clewiston, FL, Destroyed. Lost alt drg turn.

## Other investigations on N6771Q (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 CHI95LA266](https://openairdocs.org/ntsb/CHI95LA266), Aug 10, 1995: Grumman G164B (N6771Q), Bloomington, NE, substantial damage. Probable cause: the disintegration of the engine's super charger bearings. Factors associated with the accident were the total failure of the engine's super charger and the unsuitable terrain surrounding the…

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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