# NTSB ANC69D0040: Bell 47G-2, N6711D, Minchumina, AK, July 14, 1968

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 14, 1968
- Place: Minchumina, AK · MINCHUMINA, AK
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report October 22, 1968
- Report: Brief approved by the director
- NTSB case key (mKey): 108950
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC69D0040
- Page: https://openairdocs.org/ntsb/ANC69D0040

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2902  68/7/14    MINCHUMINA,ALAS     BELL 47G-2          CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 42, 7500
        TIME - 0900                    N6711D              PX-  0  0  0  ASSOC FIRE CTL ACTIVITY   TOTAL HOURS, 3000 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: INITIAL CLIMB
           COLLIDED WITH: TREES                                     IN FLIGHT: AUTOROTATIVE DESCENT
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           MISCELLANEOUS ACTS,CONDITIONS - FUEL EXHAUSTION
           TERRAIN - HIGH OBSTRUCTIONS
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- AUTOROTATED INTO AREA COVERED WITH 25 FT HIGH TREES
```

## Aircraft

- Registration: [N6711D](https://openairdocs.org/aircraft/N6711D), registered now, S/N 2192, built 1958 (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 N6711D (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 CHI94LA133](https://openairdocs.org/ntsb/CHI94LA133), Mar 5, 1994: Bell 47-62 (N6711D), Aurora, MO, substantial damage. Probable cause: THE DUAL STUDENTS INADEQUATE FLARE AND THE PILOT IN COMMAND'S (FLIGHT INSTRUCTOR) DELAYED REMEDIAL ACTION.
- [NTSB MIA76FLG13](https://openairdocs.org/ntsb/MIA76FLG13), Aug 26, 1975: Bell 47G-2 (N6711D), Elliott, SC, substantial damage
- [NTSB MIA74D1011](https://openairdocs.org/ntsb/MIA74D1011), Aug 31, 1973: Bell 47G-2 (N6711D), Dalzell, SC, substantial damage
- [NTSB MIA73FLG07](https://openairdocs.org/ntsb/MIA73FLG07), Jul 22, 1972: Bell 47G-2 (N6711D), Pinewood, SC, 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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