PA28-161 ACFT TAXIING ON RAMP STRUCK PARKED ACFT TAIL WITH R WINGTIP.

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I WAS TAXIING WITH A PA28-161 FROM WHERE IT WAS PARKED ON THE RAMP; TURNING L IN BTWN 2 ROWS OF PARKED ACFT AT APPROX 1-2 MPH. EVERYTHING WAS GOING FINE UNTIL I WAS ABOUT TO PASS BTWN THE NOSE OF A PARKED TWIN AERO COMMANDER ON THE L SIDE AND THE TAIL OF A PARKED C337 ON THE R SIDE. THE C337 HAD ITS TAIL STICKING OUT MORE THAN OTHER ACFT PARKED ON THE R SIDE. I LOOKED L TO STAY CLR OF THE AERO COMMANDER'S NOSE AND LOOKED R AT THE TAIL OF THE C337. AT FIRST IT LOOKED LIKE I COULD PASS THE CESSNA'S TAIL WITHIN INCHES; SO I LOOKED L AND THEN R AGAIN AND AT THAT TIME I SAW THAT I WAS NOT GOING TO BE ABLE TO CLR THE TAIL OF THE C337 AND WHEN I APPLIED THE BRAKES IT WAS ALREADY TOO LATE AND CLIPPED THE TAIL OF THE C337 RIGHT UNDER ITS R RUDDER WITH MY WINGTIP. THIS RESULTED IN ABOUT 25 SQUARE INCHES OF THE TAIL BEING BENT. THERE WAS NO DAMAGE TO ANY CTL SURFACE OR ANY STRUCTURAL DAMAGE TO THE AIRPLANE ACCORDING TO THE MECH THAT LOOKED AT THE C337. FURTHERMORE; THERE WAS NO DAMAGE TO THE PIPER.