PLT OF A SMA HELI HIT WIRE DURING A PLASTIC DUCK DROP RESULTING IN CUTTING THE WIRE BUT NO DAMAGE TO THE ACFT.

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ON OCT/XX/94 I HAD A COMMERCIAL JOB FLYING IN A ROBINSON R22B. THIS JOB WAS TO COME TO A HOVER ABOUT 100 FT AGL AND DROP LITTLE LIGHT PLASTIC DUCKS INTO A DROP AREA. BEING IN A HIGH HOVER AND IN OUT OF GND EFFECT ; I WAS CONCERNED ABOUT SETTLING WITH PWR. HOVERING 90 DEGS TO THE WIND. I MADE A R PADDLE TURN TO PUT MY NOSE INTO THE WIND; I GLANCED AT THE VSI AND NOTED A 300 FT DSCNT. I PUSHED THE CYCLIC FORWARD TO RECOVER FROM THIS SIT AND DIDN'T MAKE ANY CHANGES IN THE COLLECTIVE. LOSING ABOUT 25 FT AND AFTER REGAINING SOME AIRSPD; I MADE A R TURN TO POINT FULLY INTO THE WIND. AT THIS TIME I NOTICED THE PWR LINES. MY PAX ASKED ME IF I SEE THE LINES AND I CONFIRMED THAT I SEE THEM. BELIEVING I HAD NO CHOICE BUT TO GO UNDER THE PWR LINE AS I DSNDED TO CLR THE MAIN LINES A THIN SILVER LINE CAME UP INTO VIEW. I TRIED TO GO UNDER THIS LAST LINE BUT DIDN'T MAKE IT. HITTING THE LAST LINE AND CUTTING IT WITH ONE OF THE ROTOR BLADES. THIS DID NOT CHANGE THE FLT CHARACTERISTIC OF THE ACFT. AFTER LNDG AND INSPECTING THE ACFT; I SAW NO PHYSICAL DAMAGE TO THE ACFT OR THE BLADES. THE POLICE AND PWR COMPANY WERE NOTIFIED. THE ACFT WAS FLOWN BACK TO MY HOME ARPT WITH NO FURTHER MISHAPS WHERE IT WAS INSPECTED FOR FURTHER DAMAGE. MAKING A PADDLE TURN IN OUT OF GND EFFECT WITH A 300 FT DSCNT CONTRIBUTED TO SOME OF IT; ALSO I BELIEVE THE PROB WAS THAT I WAS NOT PAYING ATTN TO THE THINGS GOING ON AROUND ME WHICH CAUSED ME NOT TO SEE THE PWR LINES!