# NTSB MIA73FLD24: Grumman G-164A, N770ZF, Zellwood, FL, October 21, 1972

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: October 21, 1972
- Place: Zellwood, FL · ZELLWOOD, FL
- Location: 28.7219° N, 81.5732° W: Placed by OpenAirDocs: center of Zellwood, FL, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=28.7219&lon=-81.5732&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report April 9, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 169268
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MIA73FLD24
- Page: https://openairdocs.org/ntsb/MIA73FLD24

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3999  72/10/21   ZELLWOOD,FLA        GRUMMAN G-164A      CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 0815                    N770ZF              PX-  0  0  0  AERIAL APPLICATION        AGE 44, 6800 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            3700 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        NAME OF AIRPORT - POTTER
        DEPARTURE POINT             INTENDED DESTINATION
          ZELLWOOD,FLA                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: SWATH RUN
           NOSE OVER/DOWN                                           LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: CRANKSHAFT
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           MISCELLANEOUS ACTS,CONDITIONS - LACK OF LUBRICATION-SPECIFIC PART,NOT SYSTEM
           TERRAIN - WET,SOFT GROUND
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - JETTISONED LOAD
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 4700                       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 - 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 -  60                  SWATH RUN-HOW FLOWN - DOWNWIND
        REMARKS- NR4 CYL HEAD SEPD.SPRAYING CARROTS.
```

## Aircraft

- Registration: [N770ZF](https://openairdocs.org/deregistered/N770ZF-2013-02-26), registration cancelled 2013-02-26, S/N 737, built 1970 (OpenAirDocs)
- Reported make and model: GRUMMAN G-164A
- Registry model: [Grumman G-164A](https://openairdocs.org/model/grumman-g-164a) (registry code 3952704) (OpenAirDocs)
- Registry engine: [Pratt & Whitney R1340 series](https://openairdocs.org/engine/pratt-whitney-r1340-series) (registry code 52016, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Potter

## Other investigations on N770ZF (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 MIA76DLD35](https://openairdocs.org/ntsb/MIA76DLD35), Dec 23, 1975: Grumman G-164A (N770ZF), Zellwood, FL, 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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