C414 EXPERIENCES PROP STRIKE AFTER DEPARTING TXWY AT DAL.

Narrative

AFTER HAVING SEVERAL OUTSTANDING FLTS THE WK PRIOR TO THE INCIDENT; I BECAME OVERCONFIDENT AND CARELESS. WHILE AT DAL; I HAD NOTICED THE RAMP HAD BEGUN TO FILL WITH OTHER ACFT WHILE WAITING FOR MY PAX TO ARRIVE. AFTER DOING A PREFLT INSPECTION; I WALKED TO THE TXWY ALONG THE S END OF THE RAMP THAT I WAS ACCUSTOMED TO USING BECAUSE IT APPEARED TO HAVE BEGUN TO BE BLOCKED WITH PARKED ACFT. AFTER LOOKING THE AREA OVER; I DECIDED IT WOULD BE NO PROB TO USE THE TXWY BECAUSE I STILL HAD ENOUGH ROOM TO GET BY. THE EDGE OF THE RAMP WAS MARKED WITH YELLOW EDGE MARKERS THAT WERE HIGHLY VISIBLE AND STOOD UP ABOUT 8 INCHES. I ELECTED TO GO ALONG THE SIDE OF THE CROWDED RAMP SIMPLY BECAUSE IT WAS A LITTLE SHORTER AND I HAD INSPECTED IT EARLIER. WHILE ATTEMPTING TO TAXI PAST A PARKED ACFT; I DECIDED TO GIVE MYSELF A LITTLE MORE WINGTIP CLRNC SINCE I THOUGHT I WAS PAST THE MARKER AND PULLED OVER TO THE SIDE OF THE TXWY. I SAW THAT THE TIRE WAS GOING TO BE ON THE GRASS; BUT THAT DIDN'T SEEM LIKE A PROB SINCE WE OCCASIONALLY HAVE TO DO THAT. WHAT I HADN'T NOTICED IS THE GRASS; WHICH WAS AS TALL AS THE EDGE OF THE TXWY; WAS HIDING A DROPOFF OF 6-8 INCHES. WHEN THE L MAIN TIRE DROPPED OFF THE EDGE; THE ACFT SHIFTED TO THE L AND THE L PROP STRUCK THE EDGE MARKER THAT I WAS PASSING. SINCE THERE WERE NO ENG INDICATIONS AND NO NOISE FROM THE STRIKE; I THOUGHT I HAD MISSED THE MARKER UNTIL THE GND PERSONNEL GAVE ME THE SIGNAL TO STOP. AFTER SHUTDOWN; I INSPECTED THE PROP AND A NOTCH WAS NOTICED ON 2 OF THE 3 PROPS. THE PROP WAS THEN INSPECTED AND TEMPORARILY REPAIRED FOR FLT. UPON ARR AT STURGIS; KY (I05); HOME STATION; WE GNDED THE ACFT UNTIL A THOROUGH INSPECTION CAN BE ACCOMPLISHED AND REPAIRS MADE.