# NTSB MKC75FCD16: Grumman G-164, N12LW, Alexander, IA, September 7, 1974

- Type: NTSB accident investigation
- Classification: Case · No injuries · Closed
- Date: September 7, 1974
- Place: Alexander, IA · ALEXANDER, IA
- Location: 42.8044° N, 93.4786° W: Placed by OpenAirDocs: center of Alexander, IA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.8044&lon=-93.4786&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report November 11, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 138895
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC75FCD16
- Page: https://openairdocs.org/ntsb/MKC75FCD16

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3094   74/9/7    ALEXANDER,IOWA      GRUMMAN G-164       CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 1345                    N12LW               PX-  0  0  0  AERIAL APPLICATION        AGE 25, 1800 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            200 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          ALEXANDER,IOWA              LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: PROPELLER                       IN FLIGHT: PROCEDURE TURNAROUND
           NOSE OVER/DOWN                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           POWERPLANT - PROPELLER AND ACCESSORIES: BLADE RETENTION MECHANISM
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           TERRAIN - WET,SOFT GROUND
        FACTOR(S)
           TERRAIN - HIGH VEGETATION
           MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL -  650                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - CORN                                      TYPE OF CHEMICAL USED - LIQUID CHEMICAL-NONTOXIC
          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 -  1000                SWATH RUN-HOW FLOWN - WIND CALM
          PROCEDURE TURNAROUND - ENTRY TO PROCEDURE TURN
        REMARKS- PROP CAME OFF.NOSED OVR IN BEAN FLD.
```

## Aircraft

- Registration: [N12LW](https://openairdocs.org/deregistered/N12LW-1977-08-31), registration cancelled 1977-08-31, S/N 39, built 1960 (OpenAirDocs)
- Reported make and model: GRUMMAN G-164
- Registry model: [Grumman G-164](https://openairdocs.org/model/grumman-g-164) (registry code 3952702) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage

## 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 19740907028939A](https://openairdocs.org/incident/19740907028939A), Sep 7, 1974: Gulstm G164A, Alexander, IA, Substantial damage. Prop came off. Nosed ovr in bean fld.

## Other investigations on N12LW (2)

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 MKC77FCD35](https://openairdocs.org/ntsb/MKC77FCD35-146553), Jul 15, 1977: Grumman G-164 (N12LW), Boone, IA, destroyed
- [NTSB MKC74DCD34](https://openairdocs.org/ntsb/MKC74DCD34), May 25, 1974: Grumman G-164 (N12LW), Donnellson, IA, 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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