# NTSB ANC74AA088: Hiller Acft FH1100, N8679, Umiat, AK, June 30, 1974

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: June 30, 1974
- 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: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 5 fatal
- Status: Completed, report November 5, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 132611
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC74AA088
- Page: https://openairdocs.org/ntsb/ANC74AA088

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3039  74/6/30  NR.UMIAT,ALAS         HILLER ACFT FH1100  CR-  1  0  0  COMMERCIAL                COMMERCIAL, AGE 37, 5254
        TIME - 1300                    N8679               PX-  4  0  0  AIR TAXI-PASSG            TOTAL HOURS, 230 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         UMIAT,ALAS                   LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: OTHER
        PROBABLE CAUSE(S)
           ROTORCRAFT - FLIGHT CONTROL SYSTEMS: OTHER
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - VIBRATION,EXCESSIVE
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
        MISSING AIRCRAFT - LATER RECOVERED
        REMARKS- RCVRD 2300ADT.SWASHPLATE ASSY,P/N 6852090 FAILED,FATIGUE CRACKING AT TWO BOLT HOLES.
```

## Aircraft

- Registration: [N8679](https://openairdocs.org/deregistered/N8679-1974-12-05), registration cancelled 1974-12-05, S/N 94 (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: Destroyed

## 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 19740630035059A](https://openairdocs.org/incident/19740630035059A), Jun 30, 1974: Frchld FH1100, Umiat, AK, Destroyed, 4 fatal. Gear shaft failed. Rcvrd 2300ADT.

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.