# NTSB ANC70AA068: Hiller Acft FH1100, N423FH, Umiat, AK, April 4, 1970

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: April 4, 1970
- Place: Umiat, AK · UMIAT, AK
- Location: 69.3669° N, 152.1442° W: Placed by OpenAirDocs: center of Umiat, AK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=69.3669&lon=-152.1442&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious, 1 minor, 1 uninjured
- Status: Completed, report June 10, 1970
- Report: Brief approved by the director
- NTSB case key (mKey): 138735
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC70AA068
- Page: https://openairdocs.org/ntsb/ANC70AA068

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0037   70/4/4  NR.UMIAT,ALAS         HILLER ACFT FH1100  CR-  0  1  0  COMMERCIAL                COMMERCIAL, AGE 25, 1710
        TIME - 1000                    N423FH              PX-  0  0  2  AIR TAXI-PASSG            TOTAL HOURS, 88 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         UNKNOWN/NOT REPORTED        UNKNOWN/NOT REPORTED
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ROLL OVER                                                LANDING: POWER-ON LANDING
        PROBABLE CAUSE(S)
           TERRAIN - OTHER
           MISCELLANEOUS ACTS,CONDITIONS - WHITEOUT
        REMARKS- LOOSE SNOW.
```

## Aircraft

- Registration: [N423FH](https://openairdocs.org/deregistered/N423FH-1976-05-21), registration cancelled 1976-05-21, S/N 128, built 1968 (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

## Other investigations on N423FH (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 ANC70D0069](https://openairdocs.org/ntsb/ANC70D0069), Sep 28, 1969: Hiller Acft FH1100 (N423FH), 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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