# NTSB FTW81FPG50: Hiller Acft UH-12E, N178HA, Warren, AR, June 21, 1981

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 21, 1981
- Place: Warren, AR · WARREN, AR
- Location: 33.6118° N, 92.0677° W: Placed by OpenAirDocs: center of Warren, AR, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=33.6118&lon=-92.0677&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report September 30, 1981
- Report: Brief approved by the director
- NTSB case key (mKey): 125168
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW81FPG50
- Page: https://openairdocs.org/ntsb/FTW81FPG50

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1973  81/6/21    WARREN,AR           HILLER ACFT UH-12E  CR-  0  0  1  MISCELLANEOUS             COMMERCIAL, AGE 36, 10459
        TIME - 0905                    N178HA              PX-  0  0  0  FERRY                     TOTAL HOURS, 89 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - WARREN MUNI
        DEPARTURE POINT             INTENDED DESTINATION
          WARREN,AR                   FERRIDAY,LA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: TAIL ROTOR                      IN FLIGHT: CLIMB TO CRUISE
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           ROTORCRAFT - ROTOR ASSEMBLIES: TAIL ROTOR BLADES
           MISCELLANEOUS ACTS,CONDITIONS - PREVIOUS DAMAGE
           MISCELLANEOUS ACTS,CONDITIONS - VIBRATION,EXCESSIVE
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING OFF AIRPORT
                                  SUSPECTED OR KNOWN AIRCRAFT DAMAGE
        REMARKS- ENCTRD VIB DRG CLB.DRG PRCTNRY LNDG,VIB BCM SVR,LOST CTL.TAIL ROTOR DMGD BY IMPACT W SOFT MTRL.
```

## Aircraft

- Registration: [N178HA](https://openairdocs.org/deregistered/N178HA-2012-07-30), registration cancelled 2012-07-30, S/N HA3078, built 1980 (OpenAirDocs)
- Reported make and model: HILLER ACFT UH-12E
- Registry model: [Hiller UH-12E](https://openairdocs.org/model/hiller-uh-12e) (registry code 4360122) (OpenAirDocs)
- Registry engine: [Lycoming VO-540 series](https://openairdocs.org/engine/lycoming-vo-540-series) (registry code 41534, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Warren Muni

## 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 19810621033989A](https://openairdocs.org/incident/19810621033989A), Jun 21, 1981: Hiller UH12E, Warren, AR, Substantial damage. Reported in flight tail rotor blade separation. Analysis shows blade failed due to ground strike.

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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