NTSB Identification: FTW67A0056
14 CFR Part 91 General Aviation
Aircraft: HILLER UH-12L, registration: N9780C----------------------------------------------------------------------------------------------------------------------------
FILE DATE LOCATION AIRCRAFT DATA INJURIES FLIGHT PILOT DATA
F S M/N PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-1108 66/11/19 WOODVILLE TEX HILLER UH-12L CR- 0 0 1 COMMERCIAL COMMERCIAL, AGE 35, 7200
TIME - 1400 N9780C PX- 0 0 0 ASSOC CROP CTL ACTIVITY TOTAL HOURS, 500 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)
ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: CLUTCH ASSEMBLY
ROTORCFT-SLIPPAGE CAUSED BY GLAZED FRICTION SHOES.
FACTOR(S)
MISCELLANEOUS ACTS,CONDITIONS - PREVIOUS DAMAGE
MISCELLANEOUS ACTS,CONDITIONS - OVERHEATED
EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
SPECIAL DATA
TOTAL HOURS IN CROP CONTROL - 1800 KIND OF OPERATION - DEFOLIATION (LIQUID)
KIND OF CROP - OTHER TYPE OF CHEMICAL USED - LIQUID CHEMICAL-NONTOXIC
PILOT' S SEAT BELT -UNKNOWN/NOT REPORTED GLOVES - NOT USED
GOGGLES - NOT USED CRASH HELMET - AVAILABLE USED
COCKPIT CRASHPAD - NOT INSTALLED CRASH BAR - NOT INSTALLED
TANK/HOPPER-LOCATION - SIDES
REMARKS- IMPROPER CLUTCH ENGAGEMENT.
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