ANC72DAG11

NTSB accident investigation · Hiller 12-E4 · Chitina, AK · July 20, 1971

Accident · Serious injuriesClosed
Date
July 20, 1971
Place
Chitina, AK · CHITINA, AK
Injuries
1 serious
Damage
Substantial damage
Phase of flight
Initial climb
Aircraft
N9759CHiller 12-E4
Status
Completed · report March 7, 1972
Report
Brief approved by the director
Case key
162505

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
----------------------------------------------------------------------------------------------------------------------------
3-2575  71/7/20    CHITINA,ALAS        HILLER 12-E4        CR-  0  1  0  COMMERCIAL                COMMERCIAL, AGE 28, 2100
        TIME - 1037                    N9759C              PX-  0  0  0  AIR TAXI-PASSG            TOTAL HOURS, 230 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          LONG LAKE,ALAS              CRYSTAL CREEK,ALAS
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: INITIAL CLIMB
           COLLIDED WITH: TREES                                     LANDING: OTHER
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: MASTER AND CONNECTING RODS
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           TERRAIN - HIGH OBSTRUCTIONS
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- NR 1,3,CON ROD CAPS CAME OFF,BOLTS FAILED,ENG QUIT.PLT CRASH LNDD ACFT IN TREES.

Aircraft

Registration
N9759C
Reported as
Hiller 12-E4
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 N9759C · 2

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