# NTSB ANC76AA012: Hiller Acft UH-12E, N5339V, Chicken, AK, July 22, 1975

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 22, 1975
- Place: Chicken, AK · CHICKEN, AK
- Location: 64.0733° N, 141.9361° W: Placed by OpenAirDocs: center of Chicken, AK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=64.0733&lon=-141.9361&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report August 19, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 149416
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC76AA012
- Page: https://openairdocs.org/ntsb/ANC76AA012

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1896  75/7/22  NR.CHICKEN,AK         HILLER ACFT UH-12E  CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 25, 1274
        TIME - 1145                    N5339V              PX-  0  0  2  AIR TAXI-PASSG            TOTAL HOURS, 71 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         CHICKEN,AK                   LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: TAIL ROTOR                      IN FLIGHT: NORMAL CRUISE
           ROLL OVER                                                LANDING: POWER-ON LANDING
        PROBABLE CAUSE(S)
           ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: OTHER
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPERLY SECURED
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPERLY INSTALLED
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
        FACTOR(S)
           TERRAIN - ROUGH/UNEVEN
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
                                  DIRECTIONAL CONTROL PROBLEM
        REMARKS- L AFT ANTI TORQUE CTL CABLE CAME LOOSE.PLT MADE IMPROPER FIX 30 HRS PRIOR.CHIEF MECH OKD FIX.
```

## Aircraft

- Registration: [N5339V](https://openairdocs.org/deregistered/N5339V-1988-04-08), registration cancelled 1988-04-08, S/N 2007 (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)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage

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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