# NTSB UNK64X0410: Boeing PT17, N56505, Corcoran, CA, January 31, 1964

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: January 31, 1964
- Place: Corcoran, CA · CORCORAN, CA
- Location: 36.0840° N, 119.5612° W: Placed by OpenAirDocs: center of Corcoran, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=36.0840&lon=-119.5612&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed
- Report: Brief approved by the director
- NTSB case key (mKey): 185187
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK64X0410
- Page: https://openairdocs.org/ntsb/UNK64X0410

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0396  64/1/31    CORCORAN CALIF      BOEING PT17         CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 41, 9000
        TIME - 1200                    N56505              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 8000 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: EN ROUTE TO TREAT CROP
           STALL                                                    LANDING: FINAL APPROACH
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
           POWERPLANT - MISCELLANEOUS: POWERPLANT FAILURE FOR UNDETERMINED REASONS
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 8000                       KIND OF OPERATION - SEEDING CROPS
          KIND OF CROP - GRAIN FIELDS                              TYPE OF CHEMICAL USED - DRY CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    GLOVES - NOT USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - INSTALLED                             TANK/HOPPER-LOCATION - FORWARD OF PILOT
          ELEVATION-AREA BEING TREATED-FEET -  50
```

## Aircraft

- Registration: [N56505](https://openairdocs.org/deregistered/N56505-1970-06-30), registration cancelled 1970-06-30, S/N 75-4304 (OpenAirDocs)
- Reported make and model: BOEING PT17
- Registry model: [Boeing A75N1](https://openairdocs.org/model/boeing-a75n1) (registry code 1380165) (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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