# NTSB ANC79DAA33: Bell 47G-2, N12848, Ruby, AK, September 3, 1979

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: September 3, 1979
- Place: Ruby, AK · RUBY, AK
- Location: 64.7233° N, 155.5005° W: Placed by OpenAirDocs: center of Ruby, AK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=64.7233&lon=-155.5005&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report June 17, 1980
- Report: Brief approved by the director
- NTSB case key (mKey): 133788
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC79DAA33
- Page: https://openairdocs.org/ntsb/ANC79DAA33

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3726   79/9/3  NR.RUBY,AK            BELL 47G-2          CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 35, 1080
        TIME - 2000                    N12848              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 170 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          FAIRBANKS,AK.              RUBY,AK
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           HARD LANDING                                             LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF POWERPLANT & POWERPLANT CONTROLS
           MISCELLANEOUS ACTS,CONDITIONS - ANTI-ICING/DEICING EQUIPMENT-IMPROPER OPERATION OF/OR FAILED TO USE
           MISCELLANEOUS ACTS,CONDITIONS - ICE-CARBURETOR
        FACTOR(S)
           WEATHER - CONDITIONS CONDUCIVE TO CARB./INDUCTION SYSTEM ICING
           TERRAIN - HIGH OBSTRUCTIONS
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        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                  TYPE OF WEATHER CONDITIONS
          NONE                                                     VFR
        TYPE OF FLIGHT PLAN
          NONE
        REMARKS- DRG AUTO-ROTATION,RPM DECAYED AS PLT CLRD TREES PRIOR TO LNDG.PLT SUSPECTED CARBURETOR ICE.
```

## Aircraft

- Registration: [N12848](https://openairdocs.org/deregistered/N12848-2013-07-09), registration cancelled 2013-07-09, S/N 2239, built 1959 (OpenAirDocs)
- Reported make and model: BELL 47G-2
- Registry model: [Bell 47G-2](https://openairdocs.org/model/bell-47g-2) (registry code 1181008) (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 N12848 (4)

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 SEA86LA168](https://openairdocs.org/ntsb/SEA86LA168), Jul 13, 1986: Bell 47G2A (N12848), Chehalis, WA, substantial damage
- [NTSB CHI73DEV05](https://openairdocs.org/ntsb/CHI73DEV05), Jul 23, 1972: Bell 47G-2 (N12848), Murdock, IL, substantial damage
- [NTSB NYC71DHM06](https://openairdocs.org/ntsb/NYC71DHM06), Oct 12, 1970: Bell 47G2 (N12848), Spring Valley, NY, substantial damage
- [NTSB LAX69D0232](https://openairdocs.org/ntsb/LAX69D0232), Jan 26, 1969: Bell 47G-2 (N12848), Redlands, 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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