# NTSB FTW66F0477: Grumman G-164, N464RF, Helena, AR, August 19, 1965

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 19, 1965
- Place: Helena, AR · HELENA, AR
- Location: 34.5295° N, 90.5918° W: Placed by OpenAirDocs: center of Helena, AR, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=34.5295&lon=-90.5918&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report February 15, 1966
- Report: Brief approved by the director
- NTSB case key (mKey): 176239
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW66F0477
- Page: https://openairdocs.org/ntsb/FTW66F0477

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3740  65/8/19  NR.HELENA ARK         GRUMMAN G-164       CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 0930                    N464RF              PX-  0  0  0  ASSOC CROP CTL ACTIVITY   AGE 41, 12000 TOTAL
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            HOURS, 300 IN TYPE,
                                                                                                   INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: INITIAL CLIMB
           NOSE OVER/DOWN                                           LANDING: FINAL APPROACH
        PROBABLE CAUSE(S)
           MISCELLANEOUS ACTS,CONDITIONS - WATER IN FUEL
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING ON AIRPORT/SEAPLANE BASE/HELIPT.
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 3500                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - COTTON                                    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
```

## Aircraft

- Registration: [N464RF](https://openairdocs.org/deregistered/N464RF-2011-01-21), registration cancelled 2011-01-21, S/N 97, built 1961 (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: [Pratt & Whitney R-985 series](https://openairdocs.org/engine/pratt-whitney-r-985-series) (registry code 52008, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage

## Other investigations on N464RF (3)

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 FTW75FRD03](https://openairdocs.org/ntsb/FTW75FRD03), Jul 8, 1974: Grumman G-164 (N464RF), Jeanerette, LA, substantial damage
- [NTSB FTW73FRD38](https://openairdocs.org/ntsb/FTW73FRD38), Jun 27, 1973: Grumman G-164 (N464RF), Thornwell, LA, substantial damage
- [NTSB UNK64X1524](https://openairdocs.org/ntsb/UNK64X1524), Apr 30, 1964: Grumman G164 (N464RF), Leroy, 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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.