# NTSB ANC81IA021: Dehavilland DHC-6, N305EH, Ambler, AK, February 3, 1981

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Closed
- Date: February 3, 1981
- Place: Ambler, AK · AMBLER, AK
- Location: 67.0808° N, 157.9065° W: Placed by OpenAirDocs: center of Ambler, AK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=67.0808&lon=-157.9065&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 4 uninjured
- Status: Completed, report March 4, 1981
- Report: Brief approved by the director
- NTSB case key (mKey): 126657
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC81IA021
- Page: https://openairdocs.org/ntsb/ANC81IA021

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
5-0004   81/2/3    AMBLER,AK           DEHAVILLAND DHC-6   CR-  0  0  2  COMMERCIAL                AIRLINE TRANSPORT, AGE
        TIME - 1100                    N305EH              PX-  0  0  2  COMMUTER AIR CARRIER      31, 6147 TOTAL HOURS,
                                       DAMAGE-MINOR        OT-  0  0  0  AIR TAXI-PASSG S-D        1807 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        CLASSIFIED AS INCIDENT
        NAME OF AIRPORT - AMBLER
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          KOTZEBUE,AK                 RETURN                       SHUNGNAK,AK
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 TAKEOFF: RUN
           GEAR COLLAPSED                                           TAKEOFF: ABORTED
        PROBABLE CAUSE(S)
           PERSONNEL - AIRPORT SUPERVISORY PERSONNEL: IMPROPER/INADEQUATE SNOW REMOVAL
           PILOT IN COMMAND - SELECTED UNSUITABLE TERRAIN
        FACTOR(S)
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: SNOW ON RUNWAY
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: SNOW WINDROWS
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: UNMARKED OBSTRUCTIONS
           WEATHER - LOW CEILING
           WEATHER - SNOW
           MISCELLANEOUS ACTS,CONDITIONS - WHITEOUT
        WEATHER BRIEFING - BRIEFED BY FLIGHT SERVICE PERSONNEL, BY RADIO
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OBSCURATION                                               300
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     SNOW
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  RELATIVE BEARING OF WIND
          NONE                                                     RIGHT QUARTERING HEAD WIND 023-067 DEGREES
        TEMPERATURE-F                                            WIND DIRECTION-DEGREES
           0                                                        45
        WIND VELOCITY-KNOTS                                      TYPE OF WEATHER CONDITIONS
           3                                                       IFR
        TYPE OF FLIGHT PLAN
          VFR
        REMARKS- SNW CLRD UNEVENLY FM CTRLN OF RWY/MARKERS.UN SEE SNW.BERM,8 IN FRESH SNW,FLAT LGT CONDS.MAIL FLT.
```

## Aircraft

- Registration: N305EH (not matched to a registry record)
- Reported make and model: DEHAVILLAND DHC-6
- Category: Airplane
- Engines: turbo prop
- Damage: Minor damage
- Airport: Ambler

## FAA reports on this event (1)

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

- [Incident 19810203024989I](https://openairdocs.org/incident/19810203024989I), Feb 3, 1981: Dhav DHC6*, Ambler, AK, Minor damage. Aircraft hit snow berm on takeoff roll and ran off runway.

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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