# NTSB LAX69F0105: Bell 47G3B1, N1136W, Azusa, CA, August 29, 1968

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: August 29, 1968
- Place: Azusa, CA · AZUSA, CA
- Location: 34.1385° N, 117.9123° W: Placed by OpenAirDocs: center of Azusa, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=34.1385&lon=-117.9123&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report December 3, 1969
- Report: Brief approved by the director
- NTSB case key (mKey): 108082
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX69F0105
- Page: https://openairdocs.org/ntsb/LAX69F0105

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4910  68/8/29    AZUSA,CALIF         BELL 47G3B1         CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 1500                    N1136W              PX-  0  0  0  FIRE CONTROL              AGE 33, 2906 TOTAL HOURS,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            960 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: CONTROLLED                  IN FLIGHT: POWER-ON DESCENT
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER IN-FLIGHT DECISIONS OR PLANNING
        FACTOR(S)
           WEATHER - DOWNDRAFT,UPDRAFTS
           TERRAIN - HIGH OBSTRUCTIONS
           MISCELLANEOUS ACTS,CONDITIONS - JETTISONED LOAD
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          SMOKE                                                     90
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          270                                                       5
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
        REMARKS- WATER-DROP ON FOREST FIRE.FAILED TO STOP DESCENT.HIT MT SLOPE,ROLLED DOWN MT SIDE.
```

## Aircraft

- Registration: [N1136W](https://openairdocs.org/deregistered/N1136W-2018-02-08), registration cancelled 2018-02-08, S/N 2933 (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)
- Category: Helicopter
- Engines: reciprocating
- Damage: Destroyed

## Other investigations on N1136W (2)

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 OAK74FXQ28](https://openairdocs.org/ntsb/OAK74FXQ28), Mar 23, 1974: Bell 47G-3B (N1136W), Bordertown, NV, substantial damage
- [NTSB DEN66A0024](https://openairdocs.org/ntsb/DEN66A0024), Sep 29, 1965: Bell 47G3B1 (N1136W), Jackson, WY, 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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.