# NTSB ANC71DAA21: Bell 206A, N7865S, Anaktvk Pass, AK, October 10, 1970

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: October 10, 1970
- Place: Anaktvk Pass, AK · ANAKTVK PASS, AK
- Location: 68.1474° N, 151.6982° W: Placed by OpenAirDocs: center of Anaktuvuk Pass, AK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=68.1474&lon=-151.6982&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 2 minor
- Status: Completed, report July 14, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 158478
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC71DAA21
- Page: https://openairdocs.org/ntsb/ANC71DAA21

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3944  70/10/10 NR.ANAKTVK PASS,ALAS  BELL 206A           CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 25, 2400
        TIME - 1020                    N7865S              PX-  0  0  1  AIR TAXI-PASSG            TOTAL HOURS, 76 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          DIETRICH CAMP,ALAS          CRZY HORSE CAMP,ALAS
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: OTHER
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - CONTINUED VFR FLIGHT INTO ADVERSE WEATHER CONDITIONS
           PILOT IN COMMAND - SPATIAL DISORIENTATION
           MISCELLANEOUS ACTS,CONDITIONS - WHITEOUT
           WEATHER - SNOW
        WEATHER BRIEFING - OTHER
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          UNKNOWN/NOT REPORTED                                      500
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          1 MILE OR LESS                                           SNOW
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          NONE                                                      10
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          180                                                       10
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
        REMARKS- PLT STATED HE DID NOT SEE GND WHEN HE HIT.COMPANY WX BRIEFING.
```

## Aircraft

- Registration: [N7865S](https://openairdocs.org/deregistered/N7865S-2013-02-27), registration cancelled 2013-02-27, S/N 51, built 1967 (OpenAirDocs)
- Reported make and model: BELL 206A
- Registry model: [Bell 206A](https://openairdocs.org/model/bell-206a) (registry code 1181508) (OpenAirDocs)
- Registry engine: [Allison 250 SER 250HP](https://openairdocs.org/engine/allison-250-ser-250hp) (registry code 03002, turbo-shaft) (OpenAirDocs)
- Category: Helicopter
- Engines: turbo shaft
- Damage: Substantial damage

## Other investigations on N7865S (1)

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 ANC70A0004](https://openairdocs.org/ntsb/ANC70A0004), Jul 13, 1969: Bell 206A (N7865S), Barrow, 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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