# NTSB OAK79DVG21: Sikorsky H-19D, N9894, Vina, CA, March 7, 1979

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: March 7, 1979
- Place: Vina, CA · VINA, CA
- Location: 39.9342° N, 122.0517° W: Placed by OpenAirDocs: center of Vina, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.9342&lon=-122.0517&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report April 5, 1979
- Report: Brief approved by the director
- NTSB case key (mKey): 137829
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK79DVG21
- Page: https://openairdocs.org/ntsb/OAK79DVG21

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0245   79/3/7    VINA,CA             SIKORSKY H-19D      CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 44, 1800
        TIME - 1315                    N9894               PX-  0  0  0  ASSOC CROP CTL ACTIVITY   TOTAL HOURS, 1200 IN
                                       DAMAGE-DESTROYED    OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          VINA,CA                      LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: INITIAL CLIMB
           HARD LANDING                                             LANDING: ROLL
        PROBABLE CAUSE(S)
           ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: OTHER
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 1400                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - FRUIT ORCHARDS                            TYPE OF CHEMICAL USED - LIQUID CHEMICAL-TOXIC
          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 - OTHER                             TERRAIN-TYPE -LEVEL,FLAT
          ELEVATION-AREA BEING TREATED-FEET -  208
        REMARKS- DRIVETRAIN FAILURE BETWEEN ENG AND MAIN ROTOR.
```

## Aircraft

- Registration: [N9894](https://openairdocs.org/aircraft/N9894), registered now, S/N 55998 (OpenAirDocs)
- Reported make and model: SIKORSKY H-19D
- Registry model: [Sikorsky H-19D](https://openairdocs.org/model/sikorsky-h-19d) (registry code 8141610) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Destroyed

## 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 19790307004229A](https://openairdocs.org/incident/19790307004229A), Mar 7, 1979: Skrsky S55, Vina, CA, Destroyed. Main rotor drive train failed just after lift off. Helicopter made hard landing. Bounced and rolled over.

## Other investigations on N9894 (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 LAX91LA137](https://openairdocs.org/ntsb/LAX91LA137), Mar 19, 1991: Sikorsky H-19/S55 (N9894), Richvale, CA, substantial damage. Probable cause: THE FAILURE OF THE ENGINE'S NUMBER 4 CYLINDER INTAKE VALVE KEEPER. TREES UNDER THE HELICOPTER AT THE TIME OF THE LOSS OF ENGINE POWER WERE FACTORS IN THE ACCIDENT.

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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