# NTSB ANC74FAA19: Hiller Acft FH1100, N369FH, Fairbanks, AK, October 23, 1973

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: October 23, 1973
- Place: Fairbanks, AK · FAIRBANKS, AK
- Location: 64.8378° N, 147.7164° W: Placed by OpenAirDocs: center of Fairbanks, AK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=64.8378&lon=-147.7164&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor, 2 uninjured
- Status: Completed, report January 23, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 187917
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC74FAA19
- Page: https://openairdocs.org/ntsb/ANC74FAA19

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3724  73/10/23   FAIRBANKS,ALAS      HILLER ACFT FH1100  CR-  0  0  3  MISCELLANEOUS             COMMERCIAL, AGE 38, 3725
        TIME - 1425                    N369FH              PX-  0  0  0  TEST                      TOTAL HOURS, 500 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - MERRIC,INC.
        DEPARTURE POINT             INTENDED DESTINATION
          FAIRBANKS,ALAS              LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           MISCELLANEOUS                                            IN FLIGHT: OTHER
           ROLL OVER                                                LANDING: OTHER
        PROBABLE CAUSE(S)
           ROTORCRAFT - FLIGHT CONTROL SYSTEMS: CYCLIC PITCH CONTROL SYSTEM
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPERLY SECURED
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
        EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING ON AIRPORT
                                  LATERAL CONTROL PROBLEM
                                  SUSPECTED MECHANICAL DISCREPANCY
         FIRE AFTER IMPACT
        REMARKS- TEST FLT.LOST BOLT CAUSED LOSS OF LATERAL CYCLIC CONTROL
```

## Aircraft

- Registration: [N369FH](https://openairdocs.org/deregistered/N369FH-2012-11-08), registration cancelled 2012-11-08, S/N 118, 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)
- Registry engine: [Allison 250 SER 400HP](https://openairdocs.org/engine/allison-250-ser-400hp) (registry code 03013, turbo-shaft) (OpenAirDocs)
- Category: Helicopter
- Engines: turbo shaft
- Damage: Substantial damage
- Airport: Merric,Inc.

## 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 19731023036069A](https://openairdocs.org/incident/19731023036069A), Oct 23, 1973: Frchld FH1100, Fairbanks, AK, Substantial damage. Test flt. Lost bolt caused loss of lateral cyclic control

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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