SEA76FYC38

NTSB accident investigation · Hiller Acft UH-12E · Corvallis, OR · April 4, 1976

Accident · Minor injuriesClosed
Date
April 4, 1976
Place
Corvallis, OR · CORVALLIS, OR
Injuries
1 minor
Damage
Substantial damage
Phase of flight
Takeoff
Aircraft
N5ZHHiller Acft UH-12E
Status
Completed · report May 28, 1976
Report
Brief approved by the director
FAA report
19760404008369A
Case key
153341

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

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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
----------------------------------------------------------------------------------------------------------------------------
3-0951   76/4/4    CORVALLIS,OR        HILLER ACFT UH-12E  CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 1000                    N5ZH                PX-  0  0  0  ASSOC CROP CTL ACTIVITY   AGE 48, 12086 TOTAL
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            HOURS, 200 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          CORVALLIS,OR                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: MAIN ROTOR                      TAKEOFF: VERTICAL
           ROLL OVER                                                LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: CLUTCH ASSEMBLY
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - JETTISONED LOAD
           TERRAIN - OTHER
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
                                  SUSPECTED MECHANICAL DISCREPANCY
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 3000                       KIND OF OPERATION - FERTILIZING (DUST)
          KIND OF CROP - OTHER                                     TYPE OF CHEMICAL USED - DRY CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    GLOVES - NOT USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - NOT INSTALLED                         CRASH BAR - NOT INSTALLED
          TANK/HOPPER-LOCATION - SLING LOADED                      TERRAIN-TYPE -LEVEL,FLAT
          ELEVATION-AREA BEING TREATED-FEET -  264
        REMARKS- ROTOR CLUTCH HOUSING P/N 21059-1 SLIPPED ALLOWING M/R TO DISENGAGE.ACFT SETTLED ON FERTILIZER BCKT

Aircraft

Registration
N5ZH
Reported as
Hiller Acft UH-12E
Category
Helicopter
Engine
reciprocating
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.