# NTSB OAK71DVA19: Bell 47G3B1, N7829S, Kernville, CA, August 17, 1970

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 17, 1970
- Place: Kernville, CA · KERNVILLE, CA
- Location: 35.7550° N, 118.4309° W: Placed by OpenAirDocs: center of Kernville, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=35.7550&lon=-118.4309&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report October 5, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 107823
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK71DVA19
- Page: https://openairdocs.org/ntsb/OAK71DVA19

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4482  70/8/17  NR.KERNVILLE,CALIF    BELL 47G3B1         CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 50, 7804
        TIME - 1315                    N7829S              PX-  0  0  0  FIRE CONTROL              TOTAL HOURS, 1818 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          RODEO MEADOWS               LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: POWER-ON DESCENT
           ROLL OVER                                                LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: BLOWER,IMPELLER ASSEMBLY
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           TERRAIN - ROUGH/UNEVEN
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- SLING LOADING WATER TO FIRE ON MT SIDE. TURBOCHARGER IMPELLER FAILED AT CRITICAL LDG APCH POSITION
```

## Aircraft

- Registration: [N7829S](https://openairdocs.org/deregistered/N7829S-2013-05-09), registration cancelled 2013-05-09, S/N 6622, built 1967 (OpenAirDocs)
- Reported make and model: BELL 47G3B1
- Registry model: [Bell 47G-3B-1](https://openairdocs.org/model/bell-47g-3b-1) (registry code 1181028) (OpenAirDocs)
- Registry engine: [Lycoming TVO-435-GIA](https://openairdocs.org/engine/lycoming-tvo-435-gia) (registry code 41526, turbo-prop) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage

## Other investigations on N7829S (3)

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 LAX79DUQ28](https://openairdocs.org/ntsb/LAX79DUQ28), May 6, 1979: Bell 47G3B1 (N7829S), Newhall, CA, substantial damage
- [NTSB OAK75DXQ19](https://openairdocs.org/ntsb/OAK75DXQ19), Aug 15, 1974: Bell 47G3B1 (N7829S), Soda Sprngs, CA, substantial damage
- [NTSB OAK68A0028](https://openairdocs.org/ntsb/OAK68A0028), Sep 16, 1967: Bell 47G3B1 (N7829S), S.Lak Tahoe, CA, 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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