# NTSB OAK67D0078: Boeing A75, N56749, Dos Palos, CA, August 22, 1966

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 22, 1966
- Place: Dos Palos, CA · DOS PALOS, CA
- Location: 36.9854° N, 120.6338° W: Placed by OpenAirDocs: center of Dos Palos, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=36.9854&lon=-120.6338&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report October 17, 1966
- Report: Brief approved by the director
- NTSB case key (mKey): 171633
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK67D0078
- Page: https://openairdocs.org/ntsb/OAK67D0078

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0348  66/8/22    DOS PALOS CALIF     BOEING A75          CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 37, 5500
        TIME - 0530                    N56749              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 5000 IN
                                       DAMAGE-MINOR        OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: FLAGMAN,LOADER                            IN FLIGHT: SWATH RUN
        PROBABLE CAUSE(S)
           PERSONNEL - MISCELLANEOUS-PERSONNEL: GROUND SIGNALMAN
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 2000                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - OTHER                                     TYPE OF CHEMICAL USED - LIQUID CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -UNKNOWN/NOT REPORTED                 GLOVES - NOT USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE-NOT USED
          TANK/HOPPER-LOCATION - FORWARD OF PILOT                  TERRAIN-TYPE -LEVEL,FLAT
          ELEVATION-AREA BEING TREATED-FEET -  400                 SWATH RUN-HOW FLOWN - WIND CALM
        REMARKS- FLAGMAN FAILED TO REMAIN CLEAR OF SWATH RUN AREA
```

## Aircraft

- Registration: [N56749](https://openairdocs.org/aircraft/N56749), registered now, S/N 75-3916, built 1942 (OpenAirDocs)
- Reported make and model: BOEING A75
- Registry model: [Boeing A75N1(PT17)](https://openairdocs.org/model/boeing-a75n1-pt17) (registry code 1380134) (OpenAirDocs)
- Registry engine: [Continental W670 series](https://openairdocs.org/engine/continental-w670-series) (registry code 17018, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Minor 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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