# NTSB OAK76DXQ55: Snow 600S2C, N9479R, Yerington, NV, July 5, 1976

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 5, 1976
- Place: Yerington, NV · YERINGTON, NV
- Location: 38.9555° N, 119.1101° W: Placed by OpenAirDocs: center of Yerington, NV, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=38.9555&lon=-119.1101&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report August 3, 1976
- Report: Brief approved by the director
- NTSB case key (mKey): 154517
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK76DXQ55
- Page: https://openairdocs.org/ntsb/OAK76DXQ55

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1597   76/7/5  NR.YERINGTON,NV       SNOW 600S2C         CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 31,
        TIME - 0645                    N9479R              PX-  0  0  0  AERIAL APPLICATION        UNK/NR TOTAL HOURS, 406
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            IN TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         YERINGTON,NV                 LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: PULLUP FROM SWATH RUN
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: CYLINDER ASSEMBLY
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           MISCELLANEOUS ACTS,CONDITIONS - INTENTIONAL GROUND-WATER-LOOP-SWERVE
        FACTOR(S)
           TERRAIN - ROUGH/UNEVEN
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL -   42                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - OTHER                                     TYPE OF CHEMICAL USED - LIQUID CHEMICAL-TOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    GLOVES - USED
          GOGGLES - USED                                           CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - NOT INSTALLED                         CRASH BAR - INSTALLED
          TANK/HOPPER-LOCATION - FORWARD OF PILOT                  TERRAIN-TYPE -LEVEL,FLAT
          ELEVATION-AREA BEING TREATED-FEET -  4800                SWATH RUN-HOW FLOWN - WIND CALM
          PROCEDURE TURNAROUND - ENTRY TO PROCEDURE TURN
        REMARKS- NR 4 CYL HEAD ROCKER ARM BOSS FAILED. TRIED TO AVOID DITCH. SPRAYING ALFALFA.
```

## Aircraft

- Registration: [N9479R](https://openairdocs.org/deregistered/N9479R-1982-03-29), registration cancelled 1982-03-29, S/N 1118C (OpenAirDocs)
- Reported make and model: SNOW 600S2C
- Registry model: [Snow S2A](https://openairdocs.org/model/snow-s2a) (registry code 8380202) (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 19760705016459A](https://openairdocs.org/incident/19760705016459A), Jul 5, 1976: Ayres S2B, Yerington, NV, Substantial damage. Nr 4 cyl head rocker arm boss failed. Tried to avoid ditch. Spraying alfalfa.

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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