# NTSB ANC70A0023: Bell 47G-2, N6708D, Prudhoe Bay, AK, August 27, 1969

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 27, 1969
- Place: Prudhoe Bay, AK · PRUDHOE BAY, AK
- Location: 70.2553° N, 148.3372° W: Placed by OpenAirDocs: center of Prudhoe Bay, AK, within about 11 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=70.2553&lon=-148.3372&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report December 29, 1969
- Report: Brief approved by the director
- NTSB case key (mKey): 158397
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC70A0023
- Page: https://openairdocs.org/ntsb/ANC70A0023

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2646  69/8/27  NR.PRUDHOE BAY,ALAS   BELL 47G-2          CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 25, 1700
        TIME - 0930                    N6708D              PX-  0  0  1  AIR TAXI-PASSG            TOTAL HOURS, 510 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - KAD RIVER
        DEPARTURE POINT             INTENDED DESTINATION
         PRUDHOE BAY,ALAS            UNKNOWN/NOT REPORTED
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: INITIAL CLIMB
           HARD LANDING                                             LANDING: POWER-ON LANDING
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           MISCELLANEOUS ACTS,CONDITIONS - WATER IN FUEL
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING ON AIRPORT/SEAPLANE BASE/HELIPT.
```

## Aircraft

- Registration: [N6708D](https://openairdocs.org/deregistered/N6708D-1994-12-08), registration cancelled 1994-12-08, S/N 2189 (OpenAirDocs)
- Reported make and model: BELL 47G-2
- Registry model: [Bell 47G-2](https://openairdocs.org/model/bell-47g-2) (registry code 1181008) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Kad River

## Other investigations on N6708D (5)

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 LAX91LA405](https://openairdocs.org/ntsb/LAX91LA405), Sep 14, 1991: Bell 47G2 (N6708D), Keaau, HI, substantial damage. Probable cause: THE PILOT'S LANDING HARD. A CONTRIBUTING FACTOR IN THIS ACCIDENT WAS THE AIRCRAFT EMITTING A VIBRATION FROM AN UNKNOWN SOURCE.
- [NTSB FTW74FQG36](https://openairdocs.org/ntsb/FTW74FQG36), Dec 30, 1973: Bell 47G-2 (N6708D), Stratford, TX, substantial damage
- [NTSB ANC69A0041](https://openairdocs.org/ntsb/ANC69A0041), Mar 4, 1969: Bell 47G-2 (N6708D), Chugiak, AK, substantial damage
- [NTSB ANC69A0003](https://openairdocs.org/ntsb/ANC69A0003), Jul 25, 1968: Bell 47G-2 (N6708D), Minchumina, AK, substantial damage
- [NTSB UNK65X0317](https://openairdocs.org/ntsb/UNK65X0317), Oct 18, 1964: Bell 47G2 (N6708D), King Salmon, AK, 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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