# NTSB ANC76AA017: Bell 206A, N1491W, Barter Island, AK, July 30, 1975

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 30, 1975
- Place: Barter Island, AK · BARTER ISLAND, AK
- Location: 70.1181° N, 143.6667° W: Placed by OpenAirDocs: center of Barter Island, AK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=70.1181&lon=-143.6667&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 4 uninjured
- Status: Completed, report March 16, 1976
- Report: Brief approved by the director
- NTSB case key (mKey): 150445
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC76AA017
- Page: https://openairdocs.org/ntsb/ANC76AA017

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4016  75/7/30  NR.BARTER ISLAND,AK   BELL 206A           CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 27, 2700
        TIME - 1830                    N1491W              PX-  0  0  3  AIR TAXI-PASSG            TOTAL HOURS, 350 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          DEMARCATION BAY,AK         BARTER ISLAND,AK
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           HARD LANDING                                             LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           POWERPLANT - COMPRESSOR ASSEMBLY: BLADE,COMPRESSOR ROTOR
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
           PILOT IN COMMAND - MISJUDGED SPEED AND ALTITUDE
           PILOT IN COMMAND - IMPROPER IN-FLIGHT DECISIONS OR PLANNING
        FACTOR(S)
           WEATHER - LOW CEILING
           WEATHER - FOG
           MISCELLANEOUS ACTS,CONDITIONS - DOWNWIND
           TERRAIN - ROUGH/UNEVEN
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        WEATHER BRIEFING - UNKNOWN/NOT REPORTED
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OVERCAST                                                  50
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          1/4 MILE OR LESS                                         RAIN
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          FOG                                                       38
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          180                                                       25
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      VFR
        REMARKS- FLT UNDER 50FT CLG,LOW VIS. 5TH STAGE COMPRESSOR WHEEL BLADES FAILED.
```

## Aircraft

- Registration: N1491W (not matched to a registry record)
- Reported make and model: BELL 206A
- Category: Helicopter
- Engines: turbo shaft
- Damage: Substantial damage

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19750730042509A](https://openairdocs.org/incident/19750730042509A), Jul 30, 1975: Bell 206A, Barter Island, AK, Substantial damage. Flt under 50FT clg,low vis. 5th stage compressor wheel blades failed.

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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