# NTSB ANC71DAA12: Bell 47G-4A, N7949S, Anaktuvuk Ps, AK, August 24, 1970

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 24, 1970
- Place: Anaktuvuk Ps, AK · ANAKTUVUK PS, AK
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report October 6, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 107877
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC71DAA12
- Page: https://openairdocs.org/ntsb/ANC71DAA12

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4498  70/8/24  NR.ANAKTUVUK PS,ALAS  BELL 47G-4A         CR-  0  0  1  MISCELLANEOUS             COMMERCIAL, FL.INSTR.,
        TIME - 0730                    N7949S              PX-  0  0  1  TEST                      AGE 29, 3694 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            1300 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - KAD RIVER
        DEPARTURE POINT             INTENDED DESTINATION
          KAD RIVER ARPT              LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: CONTROLLED                  IN FLIGHT: OTHER
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED SPEED AND ALTITUDE
           PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS
           PILOT IN COMMAND - IMPROPER OPERATION OF POWERPLANT & POWERPLANT CONTROLS
        REMARKS- TESTING ROTOR RPM DURG AUTORATION.FLARED AT 100FT,STARTED BRING IN PWR,HEELS OF FLOATS HIT GND.
```

## Aircraft

- Registration: N7949S (not matched to a registry record)
- Reported make and model: BELL 47G-4A
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Kad River

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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