C172 IFR; ON BADER SID DEP FROM AIY; EXPRESSED CONCERN REGARDING OBSTACLE CLRNC FROM NEW HOTEL.

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USING DUATS; I RECEIVED A STANDARD WEATHER BRIEFING AND FILED AN IFR FLT PLAN FROM ATLANTIC CITY MUNICIPAL (KAIY) TO A NORTHERN NEW JERSEY ARPT. UPON ARR AT KAIY; I COMPLETED A PREFLT INSPECTION; NOTING NO ANOMALIES. I CONTACTED THE PUBLISHED CLRNC DELIVERY FREQ USING A HANDHELD RADIO AND OBTAINED MY IFR CLRNC. I DO NOT RECALL ROUTING; BUT MY CLRNC BEGAN WITH THE BADER THREE DEP AND INCLUDED ROBBINSVILLE VOR (RBV) AS AN ENRTE FIX. THE WIND WAS GENERALLY OUT OF THE EAST; FAVORING A RWY 11 DEP. I TAXIED TO AND HELD SHORT OF THE DEP END OF RWY 11. AFTER COMPLETING THE 'BEFORE TKOF' CHECKLIST; I CONTACTED CLRNC DELIVERY AND ADVISED THAT I WAS READY TO DEPART RWY 11. CLRNC DELIVERY INDICATED THAT I WAS RELEASED FOR DEP AND ISSUED A VOID TIME. I TAXIED ONTO THE RWY AND EXECUTED A NORMAL TKOF. ONCE AIRBORNE; I EXECUTED A L TURN TO A HDG OF 040 DEGS AS SOON AS PRACTICABLE; FOLLOWING THE BADER THREE DEP; AND CONTINUED TO CLB. AS I ROLLED OUT ON A HDG OF 040 DEGS; I NOTICED THAT THE AIRPLANE WAS HEADING DIRECTLY AT THE BORGATA HOTEL AND CASINO; A 480 FT HIGH RISE BUILDING COMPLETED IN 2003. I DEV L TO A HDG OF APPROX 030 DEGS TO PASS WEST OF THE BUILDING. AFTER PASSING; I RETURNED TO THE HDG OF 040 DEGS REQUIRED BY THE BADER THREE DEP. HAD I NOT DEV; I WOULD HAVE PASSED DIRECTLY OVER THE BORGATA AT A PERILOUSLY LOW ALT; PERHAPS 500 FT OR LESS ABOVE IT'S ROOF. I DID NOT ADVISE ATLANTIC CITY DEP OF THE 10 DEG WESTWARD TURN NOR DID THEY QUESTION THE DEV. SOON AFTER PASSING THE BORGATA AND RETURNING TO THE PUBLISHED HDG OF 040 DEGS; I WAS CLRED DIRECT TO ROBBINSVILLE VOR (RBV). THE REMAINDER OF THE FLT PROCEEDED WITHOUT INCIDENT. THE BORGATA IS A NEW HIGH-RISE HOTEL AND CASINO; WHICH BEGAN CONSTRUCTION IN 2000 AND OPENED IN 2003. UNLIKE MOST OTHER ATLANTIC CITY CASINOS; IT IS NOT LOCATED ON THE BOARDWALK RUNNING ALONG THE SOUTHEASTERN SHORE OF ATLANTIC CITY. INSTEAD; THE BORGATA IS LOCATED APPROX ONE MILE NORTHWEST OF THE BOARDWALK. PRIOR TO CONSTRUCTION OF THE BORGATA; A TURN OF A HDG OF 040 DEGS AFTER A RWY 11 DEP MAY HAVE BEEN SUFFICIENT TO AVOID THE HIGH-RISE BUILDINGS ALONG THE BOARDWALK. HOWEVER; BECAUSE THE BORGATA IS LOCATED SUBSTANTIALLY NORTHWEST OF OTHER HIGH-RISE BUILDINGS; THIS TURN IS NO LONGER SUFFICIENT. TO PREVENT FUTURE RECURRENCES OF THIS ISSUE; I RECOMMEND THE BADER THREE DEP BE AMENDED TO REQUIRE A L TURN TO AT LEAST 020 DEGS FOR RWY 11 DEPS.