# NTSB MKC73FCD04: Grumman G164, N7228, Northwood, IA, July 15, 1972

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: July 15, 1972
- Place: Northwood, IA · NORTHWOOD, IA
- Location: 43.4441° N, 93.2160° W: Placed by OpenAirDocs: center of Northwood, IA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=43.4441&lon=-93.2160&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious
- Status: Completed, report February 27, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 167314
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC73FCD04
- Page: https://openairdocs.org/ntsb/MKC73FCD04

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2470  72/7/15    NORTHWOOD,IOWA      GRUMMAN G164        CR-  0  1  0  COMMERCIAL                COMMERCIAL, AGE 49, 6744
        TIME - 0820                    N7228               PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 203 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          NORTHWOOD,IOWA              LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: WIRES/POLES                               IN FLIGHT: STARTING SWATH RUN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO SEE AND AVOID OBJECTS OR OBSTRUCTIONS
           MISCELLANEOUS - EVASIVE MANEUVER TO AVOID COLLISION
        FACTOR(S)
           TERRAIN - HIGH OBSTRUCTIONS
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 6744                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - POTATOES                                  TYPE OF CHEMICAL USED - LIQUID CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    GLOVES - NOT USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE USED
          TANK/HOPPER-LOCATION - FORWARD OF PILOT                  TERRAIN-TYPE -LEVEL,FLAT
          ELEVATION-AREA BEING TREATED-FEET -  1200                SWATH RUN-HOW FLOWN - WIND CALM
          PROCEDURE TURNAROUND - FIRST 1/3 TURN
         FIRE AFTER IMPACT
        REMARKS- HIT WIRES AVOIDING TREE.
```

## Aircraft

- Registration: [N7228](https://openairdocs.org/aircraft/N7228), registered now, S/N 903, built 1972 (OpenAirDocs)
- Reported make and model: GRUMMAN G164
- 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: Destroyed
- Airport:  Northwood Muni

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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