# NTSB ANC71AA062: Alouette II, N4966, Minchumina, AK, June 28, 1971

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: June 28, 1971
- Place: Minchumina, AK · MINCHUMINA, AK
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal, 4 uninjured
- Status: Completed, report December 13, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 161700
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC71AA062
- Page: https://openairdocs.org/ntsb/ANC71AA062

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0928  71/6/28    MINCHUMINA,ALAS     ALOUETTE II         CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 34, 5141
        TIME - 2315                    N4966               PX-  1  0  3  FIRE CONTROL              TOTAL HOURS, 295 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          MINCHUMINA,ALAS             LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: CONTROLLED                  LANDING: POWER-ON LANDING
           COLLIDED WITH: OBJECT                                    LANDING: ROLL-ON/RUN-ON
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS
        FACTOR(S)
           PILOT IN COMMAND - PSYCHOLOGICAL CONDITION
           WEATHER - THUNDERSTORM ACTIVITY
           TERRAIN - OTHER
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
                                  ADVERSE/UNFAVORABLE WEATHER
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          BROKEN                                                   UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                      RAIN SHOWERS, THUNDERSTORM
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TYPE OF WEATHER CONDITIONS
          UNKNOWN/NOT REPORTED                                     VFR
        TYPE OF FLIGHT PLAN
          NONE
        REMARKS- PWR REQRD EXCD PWR AVBLE,WENT INTO RIVER,HIT BANK.PAX FATALLY INJ EXITING ACFT,HIT BY M/R BLDS.
```

## Aircraft

- Registration: [N4966](https://openairdocs.org/deregistered/N4966-2012-12-18), registration cancelled 2012-12-18, S/N 2227, built 1971 (OpenAirDocs)
- Reported make and model: ALOUETTE II
- Registry model: [S N I A S SA 318C ALOUETTE AST](https://openairdocs.org/model/s-n-i-a-s-sa-318c-alouette-ast) (registry code 8680511) (OpenAirDocs)
- Registry engine: [Turbomeca ASTAZOU IIA](https://openairdocs.org/engine/turbomeca-astazou-iia) (registry code 60006, turbo-shaft) (OpenAirDocs)
- Category: Helicopter
- Engines: turbo shaft
- Damage: Substantial damage

## Other investigations on N4966 (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 SEA86FA073](https://openairdocs.org/ntsb/SEA86FA073), Mar 7, 1986: Aerospatiale SE 318C (N4966), Siletz, OR, destroyed, 1 fatal
- [NTSB ANC82FA059](https://openairdocs.org/ntsb/ANC82FA059), Jul 15, 1982: Aerospatiale SA-318C (N4966), Skwentna, 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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