# NTSB MKC72DCD74: Grumman G-164A, N8384, Ottumwa, IA, June 6, 1972

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: June 6, 1972
- Place: Ottumwa, IA · OTTUMWA, IA
- Location: 41.0223° N, 92.4233° W: Placed by OpenAirDocs: center of Ottumwa, IA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.0223&lon=-92.4233&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report February 15, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 167015
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC72DCD74
- Page: https://openairdocs.org/ntsb/MKC72DCD74

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1983   72/6/6    OTTUMWA,IOWA        GRUMMAN G-164A      CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 1930                    N8384               PX-  0  0  0  ASSOC CROP CTL ACTIVITY   AGE 41, 3619 TOTAL HOURS,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            570 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - AG STRIP
        DEPARTURE POINT             INTENDED DESTINATION
          OTTUMWA,IOWA                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: WIRES/POLES                               IN FLIGHT: SURVEY FIELD/AREA
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - DIVERTED ATTENTION FROM OPERATION OF AIRCRAFT
           PILOT IN COMMAND - FAILED TO SEE AND AVOID OBJECTS OR OBSTRUCTIONS
        FACTOR(S)
           TERRAIN - HIGH OBSTRUCTIONS
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON WATER
                                  LATERAL CONTROL PROBLEM
                                  PITCH CONTROL PROBLEM
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - UNKNOWN/NOT REPORTED       KIND OF OPERATION - CHECKING CROPS/TREES/OBSTRUCTIONS
          KIND OF CROP - MOSQUITO CONTROL                          TYPE OF CHEMICAL USED - UNKNOWN/NOT REPORTED
          GLOVES - NOT USED                                        GOGGLES - NOT USED
          CRASH HELMET - AVAILABLE USED                            COCKPIT CRASHPAD - INSTALLED
          CRASH BAR - INSTALLED                                    TANK/HOPPER-LOCATION - FORWARD OF PILOT
          TERRAIN-TYPE -DENSE WITH TREES                           ELEVATION-AREA BEING TREATED-FEET -  800
        REMARKS- STRUCK PWR LINE WHILE SURVEYING SPRAY AREA
```

## Aircraft

- Registration: [N8384](https://openairdocs.org/deregistered/N8384-2000-11-01), registration cancelled 2000-11-01, S/N 875 (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)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed
- Airport: Ag Strip

## Other investigations on N8384 (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 FTW79FRD23](https://openairdocs.org/ntsb/FTW79FRD23), Apr 19, 1979: Grumman G-164A (N8384), Basile, LA, substantial damage
- [NTSB FTW77DPG40](https://openairdocs.org/ntsb/FTW77DPG40), Jun 2, 1977: Grumman G-164A (N8384), Jerome, AR, substantial damage
- [NTSB FTW74DPG65](https://openairdocs.org/ntsb/FTW74DPG65), May 23, 1974: Grumman G-164 (N8384), St.Charles, 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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