# NTSB UNK64X4004: Snow S2C, N1656S, Huron, CA, September 16, 1964

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: September 16, 1964
- Place: Huron, CA · HURON, CA
- Location: 36.2044° N, 120.0951° W: Placed by OpenAirDocs: center of Huron, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=36.2044&lon=-120.0951&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report November 10, 1964
- Report: Brief approved by the director
- NTSB case key (mKey): 181629
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK64X4004
- Page: https://openairdocs.org/ntsb/UNK64X4004

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2923  64/9/16    HURON CALIF         SNOW S2C            CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 0700                    N1656S              PX-  0  0  0  ASSOC CROP CTL ACTIVITY   AGE 45, 15000 TOTAL
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            HOURS, 800 IN TYPE,
                                                                                                   INSTRUMENT RATED.
        NAME OF AIRPORT -                 Z
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: INITIAL CLIMB
           NOSE OVER/DOWN                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: CYLINDER ASSEMBLY
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 1000                       KIND OF OPERATION - OTHER
          KIND OF CROP - OTHER                                     TYPE OF CHEMICAL USED - LIQUID CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - NOT INSTALLED                         CRASH BAR - NOT INSTALLED
          TANK/HOPPER-LOCATION - UNKNOWN/NOT REPORTED              ELEVATION-AREA BEING TREATED-FEET -  300
        REMARKS- #2 CYLINDER FAILED.
```

## Aircraft

- Registration: [N1656S](https://openairdocs.org/deregistered/N1656S-2018-01-11), registration cancelled 2018-01-11, S/N 1218C, built 1964 (OpenAirDocs)
- Reported make and model: SNOW S2C
- Registry model: [Snow S2C](https://openairdocs.org/model/snow-s2c) (registry code 8380206) (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
- Airport:                 Z

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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