# NTSB SEA78FA052: Bell 47G3B1, N1182W, Snoqualmie Fls, WA, August 7, 1978

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 7, 1978
- Place: Snoqualmie Fls, WA · SNOQUALMIE FLS, WA
- Location: 47.5398° N, 121.8098° W: Placed by OpenAirDocs: center of Snoqualmie Falls, WA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=47.5398&lon=-121.8098&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report October 15, 1978
- Report: Brief approved by the director
- NTSB case key (mKey): 139599
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA78FA052
- Page: https://openairdocs.org/ntsb/SEA78FA052

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2641   78/8/7  NR.SNOQUALMIE FLS,WA  BELL 47G3B1         CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 32, 1388
        TIME - 1630                    N1182W              PX-  0  0  2  AIR TAXI-PASSG            TOTAL HOURS, 47 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          CEDAR VALLEY,WA             LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: CONTROLLED                  LANDING: GO-AROUND
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - DELAYED IN INITIATING GO-AROUND
           PILOT IN COMMAND - FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M.
        FACTOR(S)
           TERRAIN - ROUGH/UNEVEN
        MISSING AIRCRAFT - LATER RECOVERED
         FIRE AFTER IMPACT
        REMARKS- EXTREME UPSLOPE.RECOVERY DATE 8-9-78
```

## 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: Destroyed

## 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 19780807030169A](https://openairdocs.org/incident/19780807030169A), Aug 7, 1978: Bell 47G3B1, Missing Aircraf, WA, Destroyed. Extreme upslope. Recovery date 8-9-78

## Other investigations on N1182W (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 SEA71DWD09](https://openairdocs.org/ntsb/SEA71DWD09), Aug 7, 1970: Bell 47G3B1 (N1182W), Diablo, WA, substantial damage
- [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, 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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