# NTSB FTW75DPG46: Grumman G-164A, N7928, Hickory Ridge, AR, April 12, 1975

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: April 12, 1975
- Place: Hickory Ridge, AR · HICKORY RIDGE, AR
- Location: 35.4028° N, 90.9945° W: Placed by OpenAirDocs: center of Hickory Ridge, AR, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=35.4028&lon=-90.9945&mi=10
- Phase of flight: [Standing](https://openairdocs.org/ntsb-phases/150) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious
- Status: Completed, report May 15, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 132433
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW75DPG46
- Page: https://openairdocs.org/ntsb/FTW75DPG46

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0817  75/4/12    HICKORY RIDGE,AR    GRUMMAN G-164A      CR-  0  1  0  COMMERCIAL                COMMERCIAL, AGE 42, 4000
        TIME - 0655                    N7928               PX-  0  0  0  ASSOC CROP CTL ACTIVITY   TOTAL HOURS, 400 IN TYPE,
                                       DAMAGE-NONE         OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - CULLUMS STRIP
        DEPARTURE POINT             INTENDED DESTINATION
          HICKORY RIDGE,AR            LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR ACCIDENT TO PERSON                       STATIC: IDLING ENGINE(S)
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - LEFT AIRCRAFT UNATTENDED, ENGINE RUNNING
           PILOT IN COMMAND - SPONTANEOUS-IMPROPER ACTION
        FACTOR(S)
           AIRFRAME - FUSELAGE: DOORS,DOOR FRAMES
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPERLY SECURED
           MISCELLANEOUS ACTS,CONDITIONS - LEAK/LEAKAGE
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 2000                       KIND OF OPERATION - FERTILIZING (LIQUID)
          KIND OF CROP - RICE                                      TYPE OF CHEMICAL USED - LIQUID CHEMICAL-NONTOXIC
          GLOVES - NOT USED                                        GOGGLES - NOT USED
          CRASH HELMET - AVAILABLE USED                            COCKPIT CRASHPAD - INSTALLED
          CRASH BAR - NOT INSTALLED                                TANK/HOPPER-LOCATION - FORWARD OF PILOT
        REMARKS- PLT DEPLANED TO ADJ DUMP SCREWS.DOOR CAME OPEN,SPRAYED PLT,WHO BACKED INTO PROP.
```

## Aircraft

- Registration: [N7928](https://openairdocs.org/deregistered/N7928-2013-05-09), registration cancelled 2013-05-09, S/N 814, built 1971 (OpenAirDocs)
- Reported make and model: GRUMMAN G-164A
- Registry model: [Grumman Acft ENG Cor-Schweizer G-164A](https://openairdocs.org/model/grumman-acft-eng-cor-schweizer-g-164a) (registry code 3952801) (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: No damage
- Airport: Cullums Strip

## 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 19750412007909A](https://openairdocs.org/incident/19750412007909A), Apr 12, 1975: Gulstm G164C, Hickory Ridge, AR. Plt deplaned to adj dump screws. Door came open,sprayed plt,who backed into prop.

## Other investigations on N7928 (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 MKC84LA217](https://openairdocs.org/ntsb/MKC84LA217), Jul 13, 1984: Grumman G-164A (N7928), Osceola, AR, 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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