# NTSB LAX75DUQ23: Hiller Acft FH1100, N544FH, Ventura, CA, February 11, 1975

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: February 11, 1975
- Place: Ventura, CA · VENTURA, CA
- Location: 34.2678° N, 119.2542° W: Placed by OpenAirDocs: center of San Buenaventura (Ventura), CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=34.2678&lon=-119.2542&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report March 11, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 146994
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX75DUQ23
- Page: https://openairdocs.org/ntsb/LAX75DUQ23

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0015  75/2/11    VENTURA,CA          HILLER ACFT FH1100  CR-  0  0  1  MISCELLANEOUS             COMMERCIAL, AGE 26, 3100
        TIME - 1805                    N544FH              PX-  0  0  2  TEST                      TOTAL HOURS, UNK/NR IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          VENTURA,CA                  LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           MISCELLANEOUS                                            IN FLIGHT: NORMAL CRUISE
        PROBABLE CAUSE(S)
           POWERPLANT - COOLING SYSTEM: COWLING
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPERLY SECURED
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
        FACTOR(S)
           PERSONNEL - MISCELLANEOUS-PERSONNEL: OTHER
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- ENG COWL SEPARATED IN FLT AFTER MAINT PERSONNEL FAILED TO LATCH PROPERLY AFTER EARLIER PRECAUT LDG
```

## Aircraft

- Registration: [N544FH](https://openairdocs.org/deregistered/N544FH-1980-11-19), registration cancelled 1980-11-19, S/N 44 (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

## 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 19750211002039A](https://openairdocs.org/incident/19750211002039A), Feb 11, 1975: Frchld FH1100, Ventura, CA, Substantial damage. Eng cowl separated in flt after maint personnel failed to latch properly after earlier precaut ldg

## Other investigations on N544FH (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 LAX78DVM25](https://openairdocs.org/ntsb/LAX78DVM25), May 16, 1978: Hiller Acft FH1100 (N544FH), Santa Maria, CA, destroyed

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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