# NTSB FTW66F0279: Boeing IB75A, N9970H, Dumas, AR, September 8, 1965

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: September 8, 1965
- Place: Dumas, AR · DUMAS, AR
- Location: 33.8834° N, 91.4856° W: Placed by OpenAirDocs: center of Dumas, AR, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=33.8834&lon=-91.4856&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report October 4, 1965
- Report: Brief approved by the director
- NTSB case key (mKey): 175968
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW66F0279
- Page: https://openairdocs.org/ntsb/FTW66F0279

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2415   65/9/8    DUMAS ARK           BOEING IB75A        CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 30, 1300
        TIME - 1800                    N9970H              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 800 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL: MUSH                                              IN FLIGHT: PROCEDURE TURNAROUND
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL -  800                       KIND OF OPERATION - DEFOLIATION (DUST)
          KIND OF CROP - COTTON                                    TYPE OF CHEMICAL USED - DRY CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    GLOVES - NOT USED
          CRASH HELMET - AVAILABLE-NOT USED                        COCKPIT CRASHPAD - NOT INSTALLED
          CRASH BAR - NOT INSTALLED                                TANK/HOPPER-LOCATION - FORWARD OF PILOT
          TERRAIN-TYPE -LEVEL,FLAT                                 ELEVATION-AREA BEING TREATED-FEET -  310
          SWATH RUN-HOW FLOWN - WIND CALM                          PROCEDURE TURNAROUND - FIRST 1/3 TURN
```

## Aircraft

- Registration: [N9970H](https://openairdocs.org/aircraft/N9970H), registered now, S/N 75-3599, built 1942 (OpenAirDocs)
- Reported make and model: BOEING IB75A
- Registry model: [Boeing IB75A](https://openairdocs.org/model/boeing-ib75a) (registry code 1380152) (OpenAirDocs)
- Registry engine: [Pratt & Whitney R-985 series](https://openairdocs.org/engine/pratt-whitney-r-985-series) (registry code 52008, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: 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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