# NTSB SEA71DWD09: Bell 47G3B1, N1182W, Diablo, WA, August 7, 1970

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: August 7, 1970
- Place: Diablo, WA · DIABLO, WA
- Location: 48.7135° N, 121.1412° W: Placed by OpenAirDocs: center of Diablo, WA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=48.7135&lon=-121.1412&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 2 minor, 1 uninjured
- Status: Completed, report February 9, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 113373
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA71DWD09
- Page: https://openairdocs.org/ntsb/SEA71DWD09

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1737   70/8/7  NR.DIABLO,WASH        BELL 47G3B1         CR-  0  0  1  COMMERCIAL                AIRLINE TRANSPORT, AGE
        TIME - 0807                    N1182W              PX-  0  0  2  AIR TAXI-PASSG            44, 11290 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            290 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          CAMP GROUND,WASH            THUNDER CREEK,WASH
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: OBJECT                                    LANDING: GO-AROUND
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO SEE AND AVOID OBJECTS OR OBSTRUCTIONS
           PILOT IN COMMAND - IMPROPER IN-FLIGHT DECISIONS OR PLANNING
        FACTOR(S)
           TERRAIN - HIGH OBSTRUCTIONS
         FIRE AFTER IMPACT
        REMARKS- INSPECTING POSSIBLE FIELD LDG SITES IN MTS.HEL SKID HIT STUMP ON LDG GO-AROUND.
```

## Aircraft

- Registration: [N1182W](https://openairdocs.org/deregistered/N1182W-2009-06-25), registration cancelled 2009-06-25, S/N 2949, 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 VO-435 series](https://openairdocs.org/engine/lycoming-vo-435-series) (registry code 41525, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage

## Other investigations on N1182W (2)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB SEA78FA052](https://openairdocs.org/ntsb/SEA78FA052), Aug 7, 1978: Bell 47G3B1 (N1182W), Snoqualmie Fls, WA, destroyed
- [NTSB DEN66A0005](https://openairdocs.org/ntsb/DEN66A0005), Aug 5, 1965: Bell 47G3B1 (N1182W), Grand Canyon, AZ, substantial damage

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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