# NTSB MKC74DCA11: Grumman G-164, N7248, Charleston, MO, October 18, 1973

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: October 18, 1973
- Place: Charleston, MO · CHARLESTON, MO
- Location: 36.9169° N, 89.3339° W: Placed by OpenAirDocs: center of Charleston, MO, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=36.9169&lon=-89.3339&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report December 13, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 188115
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC74DCA11
- Page: https://openairdocs.org/ntsb/MKC74DCA11

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3365  73/10/18   CHARLESTON,MO       GRUMMAN G-164       CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 30, 5014
        TIME - 0830                    N7248               PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 500 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - MCDOWELL-SCHMID
        DEPARTURE POINT             INTENDED DESTINATION
          CHARLESTON,MO               LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           TURBULENCE                                               IN FLIGHT: SWATH RUN
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: SWATH RUN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED SPEED AND CLEARANCE
           MISCELLANEOUS - VORTEX TURBULENCE
        FACTOR(S)
           WEATHER - UNFAVORABLE WIND CONDITIONS
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  WIND DIRECTION-DEGREES
          NONE                                                     150
        WIND VELOCITY-KNOTS                                      TYPE OF WEATHER CONDITIONS
           15                                                      VFR
        TYPE OF FLIGHT PLAN
          NONE
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 3000                       KIND OF OPERATION - SEEDING CROPS
          KIND OF CROP - GRAIN FIELDS                              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 -  320                 SWATH RUN-HOW FLOWN - CROSSWIND
          PROCEDURE TURNAROUND - ENTRY TO PROCEDURE TURN
        REMARKS- FORMATION SEEDING OPERATION ENCTRD VORTEX TURBC IN CONJUNCTION WITH ADVERSE SURFACE WINDS.
```

## Aircraft

- Registration: [N7248](https://openairdocs.org/aircraft/N7248), registered now, S/N 919, built 1972 (OpenAirDocs)
- Reported make and model: GRUMMAN G-164
- 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: Substantial damage
- Airport: Mcdowell-Schmid

## 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 19731018034329A](https://openairdocs.org/incident/19731018034329A), Oct 18, 1973: Gulstm G164A, Charleston, MO, Substantial damage. Formation seeding operation enctrd vortex turbc in conjunction with adverse surface winds.

## Other investigations on N7248 (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 CHI74DEV41](https://openairdocs.org/ntsb/CHI74DEV41), Mar 27, 1974: Grumman G-164A (N7248), Ware, IL, 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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.