COLORADO SPGS, CO, USA
N624H
ENSTROM 280C
AFTER RETURNING FROM A LOCAL PHOTO FLT, THE PLT MADE AN APCH TO A HOVER LANDING NEAR THE APCH END OF RWY 17. HE WAS THEN CLEARED TO CROSS THE RWY & PROCEED (SOUTH-SOUTHEAST) TO THE INTENDED PARKING AREA. AS HE STARTED FORWARD & BEGAN A CLIMB, HE NOTICED WHAT HE BELIEVED WAS A PARTIAL POWER LOSS & HE INITIATED A HOVERING AUTOROTATION. THE HELICOPTER TOUCHED DOWN WITH FORWARD SPEED & SLID TO A STOP, THEN ROCKED BACKWARD & TO THE LEFT, DAMAGING THE MAIN & TAIL ROTOR BLADES. A POST ACDNT ENG RUN WAS MADE, BUT NO REASON WAS FOUND FOR THE RPRTD POWER LOSS. THE PREVAILING WIND WAS FROM 340 DEG AT 10 KTS. THE PLT RPRTD THE WIND WAS GUSTING TO 20 KTS. DENSITY ALTITUDE WAS CALCULATED TO BE 7300 FT.
INADEQUATE COMPENSATION FOR THE WIND CONDITIONS BY THE PILOT. THE HIGH DENSITY ALTITUDE AND WIND CONDITIONS WERE CONTRIBUTING FACTORS.
Source: NTSB Aviation Accident Database
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