# NTSB OAK74DVA11: Boeing A75, N56533, Fresno, CA, August 7, 1973

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 7, 1973
- Place: Fresno, CA · FRESNO, CA
- Location: 36.7477° N, 119.7724° W: Placed by OpenAirDocs: center of Fresno, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=36.7477&lon=-119.7724&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 18, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 189171
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK74DVA11
- Page: https://openairdocs.org/ntsb/OAK74DVA11

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2506   73/8/7    FRESNO,CALIF        BOEING A75          CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 36, 3300
        TIME - 1620                    N56533              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 250 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          FRESNO,CALIF                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: CROP                                      IN FLIGHT: FLAREOUT FOR SWATH RUN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED CLEARANCE
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL -  761                       KIND OF OPERATION - DUSTING CROPS
          KIND OF CROP - COTTON                                    TYPE OF CHEMICAL USED - LIQUID CHEMICAL-TOXIC
          GLOVES - USED                                            GOGGLES - USED
          CRASH HELMET - AVAILABLE USED                            COCKPIT CRASHPAD - INSTALLED
          CRASH BAR - NOT INSTALLED                                TANK/HOPPER-LOCATION - FORWARD OF PILOT
          ELEVATION-AREA BEING TREATED-FEET -  300                 SWATH RUN-HOW FLOWN - WIND CALM
```

## Aircraft

- Registration: [N56533](https://openairdocs.org/deregistered/N56533-2012-09-28), registration cancelled 2012-09-28, S/N 75-4545, built 1943 (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: [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

## 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 19730807022679A](https://openairdocs.org/incident/19730807022679A), Aug 7, 1973: Boeing A75N1, Fresno, CA, 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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