# NTSB ANC75AA070: Bell 206B, N58012, Allison Lake, AK, March 25, 1975

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: March 25, 1975
- Place: Allison Lake, AK · ALLISON LAKE, AK
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 5 uninjured
- Status: Completed, report May 30, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 148165
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC75AA070
- Page: https://openairdocs.org/ntsb/ANC75AA070

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0811  75/3/25    ALLISON LAKE,AK     BELL 206B           CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 32, 3215
        TIME - 1000                    N58012              PX-  0  0  4  AIR TAXI-PASSG            TOTAL HOURS, 962 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          VALDEZ,AK                   ALLISON LAKE,AK
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: CONTROLLED                  LANDING: GO-AROUND
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - SELECTED UNSUITABLE TERRAIN
           PILOT IN COMMAND - MISJUDGED ALTITUDE AND CLEARANCE
           PILOT IN COMMAND - DELAYED IN INITIATING GO-AROUND
        FACTOR(S)
           WEATHER - OBSTRUCTIONS TO VISION
           MISCELLANEOUS ACTS,CONDITIONS - WHITEOUT
        WEATHER BRIEFING - UNKNOWN/NOT REPORTED
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          UNKNOWN/NOT REPORTED                                     UNKNOWN/NOT REPORTED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TYPE OF WEATHER CONDITIONS
          BLOWING SNOW                                             VFR
        TYPE OF FLIGHT PLAN
          NONE
        REMARKS- POWDERED SNOW CAUSED WHITEOUT.
```

## Aircraft

- Registration: [N58012](https://openairdocs.org/deregistered/N58012-2013-04-23), registration cancelled 2013-04-23, S/N 1027, built 1973 (OpenAirDocs)
- Reported make and model: BELL 206B
- Registry model: [Bell 206B](https://openairdocs.org/model/bell-206b) (registry code 1181511) (OpenAirDocs)
- Registry engine: [Allison 250 SER 400HP](https://openairdocs.org/engine/allison-250-ser-400hp) (registry code 03013, turbo-shaft) (OpenAirDocs)
- 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 19750325011299A](https://openairdocs.org/incident/19750325011299A), Mar 25, 1975: Bell 206B, Allison Lake, AK, Substantial damage. Powdered snow caused whiteout.

## Other investigations on N58012 (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 SEA85LA214](https://openairdocs.org/ntsb/SEA85LA214), Sep 14, 1985: Bell 206BII (N58012), Atlanta, ID, destroyed

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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