# NTSB ANC70FAA11: Hiller Acft FH1100, N556F, Anaktuvk Pas, AK, May 15, 1970

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: May 15, 1970
- Place: Anaktuvk Pas, AK · ANAKTUVK PAS, AK
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 2 minor
- Status: Completed, report October 26, 1970
- Report: Brief approved by the director
- NTSB case key (mKey): 127379
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC70FAA11
- Page: https://openairdocs.org/ntsb/ANC70FAA11

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1253  70/5/15    ANAKTUVK PAS,ALAS   HILLER ACFT FH1100  CR-  0  0  2  MISCELLANEOUS             COMMERCIAL, AGE 25, 1962
        TIME - 0847                    N556F               PX-  0  0  0  FERRY                     TOTAL HOURS, 350 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - DEADHORSE
        DEPARTURE POINT             INTENDED DESTINATION
          ANAKTUVK PAS,ALAS           LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            LANDING: TRAFFIC PATTERN-CIRCLING
           HARD LANDING                                             LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           POWERPLANT - MISCELLANEOUS: POWERPLANT FAILURE FOR UNDETERMINED REASONS
           PILOT IN COMMAND - SPATIAL DISORIENTATION
           MISCELLANEOUS ACTS,CONDITIONS - WHITEOUT
        FACTOR(S)
           TERRAIN - SNOW-COVERED
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- ROLLED OUT OF TURN,EXPERIENCED ILLUSION OF GOING BACKWARD.RELIGHT CKT INOP,WRONG TYPE EXCITER.
```

## Aircraft

- Registration: [N556F](https://openairdocs.org/deregistered/N556F-2018-01-25), registration cancelled 2018-01-25, S/N 168 (OpenAirDocs)
- Reported make and model: HILLER ACFT FH1100
- Registry model: [Fairchild Hiller FH-1100](https://openairdocs.org/model/fairchild-hiller-fh-1100) (registry code 3376502) (OpenAirDocs)
- Category: Helicopter
- Engines: turbo shaft
- Damage: Substantial damage
- Airport: Deadhorse

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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