# NTSB OAK69F0150: Bell 47G3B1, N3377H, Chowchilla, CA, September 26, 1968

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: September 26, 1968
- Place: Chowchilla, CA · CHOWCHILLA, CA
- Location: 37.1161° N, 120.2420° W: Placed by OpenAirDocs: center of Chowchilla, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.1161&lon=-120.2420&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious, 2 minor
- Status: Completed, report November 14, 1968
- Report: Brief approved by the director
- NTSB case key (mKey): 108360
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK69F0150
- Page: https://openairdocs.org/ntsb/OAK69F0150

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3268  68/9/26    CHOWCHILLA,CALIF    BELL 47G3B1         CR-  0  1  0  COMMERCIAL                COMMERCIAL, AGE 48, 17000
        TIME - 1140                    N3377H              PX-  0  0  2  ASSOC CROP CTL ACTIVITY   TOTAL HOURS, 900 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: WIRES/POLES                               TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO SEE AND AVOID OBJECTS OR OBSTRUCTIONS
         FIRE AFTER IMPACT
        REMARKS- PLT TOOK-OFF TO CONDUCT AERIAL SURVEY FOR FUTURE AERIAL APPLICATION.
```

## Aircraft

- Registration: [N3377H](https://openairdocs.org/deregistered/N3377H-2007-09-12), registration cancelled 2007-09-12, S/N 3391, built 1965 (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: Destroyed

## Other investigations on N3377H (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 SEA00FA061](https://openairdocs.org/ntsb/SEA00FA061), Apr 2, 2000: Bell 47G-3B-1 (N3377H), Stanwood, WA, destroyed, 1 fatal. Probable cause: The disengagement of the oil jet fitting from its threaded receptacle at the forward end of the engine crankshaft. This resulted in excessive oil within the clutch assembly, the subsequent slipping…

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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