# NTSB OAK78FVG30: Sikorsky S-58, N79AR, Kelseyville, CA, May 2, 1978

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: May 2, 1978
- Place: Kelseyville, CA · KELSEYVILLE, CA
- Location: 38.9694° N, 122.8311° W: Placed by OpenAirDocs: center of Kelseyville, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=38.9694&lon=-122.8311&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor, 4 uninjured
- Status: Completed, report June 22, 1978
- Report: Brief approved by the director
- NTSB case key (mKey): 142331
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK78FVG30
- Page: https://openairdocs.org/ntsb/OAK78FVG30

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0864   78/5/2  NR.KELSEYVILLE,CA     SIKORSKY S-58       CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 40, 1562
        TIME - 1530                    N79AR               PX-  0  0  4  MAPPING/PHOTO             TOTAL HOURS, 500 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         KELSEYVILLE,CA               LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           HARD LANDING                                             LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           POWERPLANT - FUEL SYSTEM: PUMPS
           MISCELLANEOUS ACTS,CONDITIONS - SHEARED
           MISCELLANEOUS ACTS,CONDITIONS - FUEL EXHAUSTION
           PILOT IN COMMAND - FAILED TO FOLLOW APPROVED PROCEDURES,DIRECTIVES,ETC.
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- ENG QUIT WHEN BOOST PUMP TURNED OFF AT 250FT AGL.FLT MANUAL STATES PUMP SHOULD BE ON BLO 2000FT.
```

## Aircraft

- Registration: [N79AR](https://openairdocs.org/aircraft/N79AR), registered now, S/N 57-1709 (OpenAirDocs)
- Reported make and model: SIKORSKY S-58
- Registry model: [Sikorsky CH34C](https://openairdocs.org/model/sikorsky-ch34c) (registry code 8141815) (OpenAirDocs)
- Registry engine: [Wright 1820G102 105](https://openairdocs.org/engine/wright-1820g102-105) (registry code 67026, reciprocating) (OpenAirDocs)
- Category: Helicopter
- 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 19780502011029A](https://openairdocs.org/incident/19780502011029A), May 2, 1978: Skrsky S58E, Kelseyville, CA, Substantial damage. Eng quit when boost pump turned off at 250FT AGL.flt manual statemp should be on blo 2000FT.

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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