# NTSB ANC74AA023: Hiller Acft FH1100, N546FH, Umiat, AK, August 14, 1973

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 14, 1973
- 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: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report March 25, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 188753
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC74AA023
- Page: https://openairdocs.org/ntsb/ANC74AA023

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3981  73/8/14  NR.UMIAT,ALAS         HILLER ACFT FH1100  CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 29, 2076
        TIME - 1600                    N546FH              PX-  0  0  2  AIR TAXI-PASSG            TOTAL HOURS, 290 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         UMIAT,ALAS                   LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: INITIAL CLIMB
           HARD LANDING                                             LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           POWERPLANT - MISCELLANEOUS: POWERPLANT FAILURE FOR UNDETERMINED REASONS
        FACTOR(S)
           TERRAIN - ROUGH/UNEVEN
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- INSUFFICIENT ALT TO AFFECT SAFE RECOVERY.
```

## Aircraft

- Registration: [N546FH](https://openairdocs.org/deregistered/N546FH-2013-01-30), registration cancelled 2013-01-30, S/N 46, built 1967 (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)
- Registry engine: [Allison 250 SER 250HP](https://openairdocs.org/engine/allison-250-ser-250hp) (registry code 03002, 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 19730814042739A](https://openairdocs.org/incident/19730814042739A), Aug 14, 1973: Frchld FH1100, Umiat, AK, Substantial damage. Insufficient alt to affect safe recovery.

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.