# NTSB MKC67F0067: Grumman G-164, N604U, Warren, MN, July 4, 1966

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: July 4, 1966
- Place: Warren, MN · WARREN, MN
- Location: 48.1940° N, 96.7688° W: Placed by OpenAirDocs: center of Warren, MN, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=48.1940&lon=-96.7688&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious
- Status: Completed, report December 14, 1966
- Report: Brief approved by the director
- NTSB case key (mKey): 171550
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC67F0067
- Page: https://openairdocs.org/ntsb/MKC67F0067

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0462   66/7/4  NR.WARREN MINN        GRUMMAN G-164       CR-  0  1  0  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 0925                    N604U               PX-  0  0  0  AERIAL APPLICATION        AGE 34, 2805 TOTAL HOURS,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            600 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - WARREN MUNICIPAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: WIRES/POLES                               IN FLIGHT: PULLUP FROM SWATH RUN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - DIVERTED ATTENTION FROM OPERATION OF AIRCRAFT
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 1600                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - GRAIN FIELDS                              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 - NOT INSTALLED
          TANK/HOPPER-LOCATION - FORWARD OF PILOT                  TERRAIN-TYPE -LEVEL,FLAT
          ELEVATION-AREA BEING TREATED-FEET -  880                 SWATH RUN-HOW FLOWN - DOWNWIND
        REMARKS- PILOT DIVERTED ATTENTION TO LOOK FOR FLAGMAN AND DID NOT SEE WIRES IN TIME TO AVOID THEM.
```

## Aircraft

- Registration: [N604U](https://openairdocs.org/deregistered/N604U-2014-10-29), registration cancelled 2014-10-29, S/N 333, built 1964 (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: [Continental W670 series](https://openairdocs.org/engine/continental-w670-series) (registry code 17018, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed
- Airport: Warren Municipal

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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