# NTSB UNK64X3362: Convair BT13, N67579, Casa Grande, AZ, August 13, 1964

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 13, 1964
- Place: Casa Grande, AZ · CASA GRANDE, AZ
- Location: 32.8795° N, 111.7574° W: Placed by OpenAirDocs: center of Casa Grande, AZ, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=32.8795&lon=-111.7574&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 23, 1964
- Report: Brief approved by the director
- NTSB case key (mKey): 182433
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK64X3362
- Page: https://openairdocs.org/ntsb/UNK64X3362

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2459  64/8/13    CASA GRANDE ARIZ    CONVAIR BT13        CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 44, 9500
        TIME - 1400                    N67579              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 1500 IN
                                       DAMAGE-DESTROYED    OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: WIRES/POLES                               IN FLIGHT: SWATH RUN
           GEAR COLLAPSED                                           LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED CLEARANCE
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 9500                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - COTTON                                    TYPE OF CHEMICAL USED - LIQUID CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    GLOVES - NOT USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - NOT INSTALLED                         CRASH BAR - NOT INSTALLED
          TANK/HOPPER-LOCATION - FORWARD OF PILOT                  TERRAIN-TYPE -LEVEL,FLAT
          ELEVATION-AREA BEING TREATED-FEET -  1320                SWATH RUN-HOW FLOWN - WIND CALM
```

## Aircraft

- Registration: [N67579](https://openairdocs.org/aircraft/N67579), registered now, S/N 6814, built 1942 (OpenAirDocs)
- Reported make and model: CONVAIR BT13
- Registry model: [Convair BT-13A](https://openairdocs.org/model/convair-bt-13a) (registry code 2420204) (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: Destroyed

## Other investigations on N67579 (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 OAK74FVA20](https://openairdocs.org/ntsb/OAK74FVA20), Sep 29, 1973: Vultee BT-13A (N67579), Madera, CA, destroyed, 1 fatal

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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