ANC67A0020

NTSB accident investigation · Hiller UH-12E · Dillingham, AK · August 19, 1966

Accident · No injuriesClosed
Date
August 19, 1966
Place
Dillingham, AK · DILLINGHAM, AK
Injuries
3 uninjured
Damage
Substantial damage
Phase of flight
Initial climb
Aircraft
N5341VHiller UH-12E
Status
Completed · report April 10, 1967
Report
Brief approved by the director
Case key
122464

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

On this page

NTSB brief

NTSB’s brief of the accident, as it was printed: the coded facts, with the probable cause and factors.

----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0726  66/8/19    DILLINGHAM ALAS     HILLER UH-12E       CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 28, 2300
        TIME - 1000                    N5341V              PX-  0  0  2  CTR PASSG-D               TOTAL HOURS, 638 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: INITIAL CLIMB
           HARD LANDING                                             LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           PERSONNEL - OPERATIONAL SUPERVISORY PERSONNEL: FAILURE TO PROVIDE ADEQ.DIRECTIVES,MANUAL,EQUIPMENT
           ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: CLUTCH ASSEMBLY
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- CLUTCH SLIPPED-NOT MODIFIED ACCORDING TO HILLER SERVICE BULLETIN NO.2038 DATED FEB.7,1964.

Aircraft

Registration
N5341V
Reported as
Hiller UH-12E
Category
Helicopter
Engine
reciprocating
Damage
Substantial damage

Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.

Other investigations on N5341V · 3

Matched to the same aircraft by N-number and date.