PIT TRACON CTLR RPTS PLTS ARE MISREADING PIT 8 SID DEP INSTRUCTIONS AND ARE LEVELING AT 1700 FT; BELOW OBSTRUCTIONS IN THE AREA.

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A C56X DEPARTED RWY 28C AT PIT ON AN IFR FLIGHT PLAN AND REQUESTED ALTITUDE 3000 FT. THE ACFT WAS ASSIGNED THE PIT 8 SID DEP. IT DEPART RWY 28C AND WAS ASSIGNED AN INITIAL HEADING OF 180 DEGS. THE ACFT CALLED THE DEP N CTLR 124.75. THIS WAS THE WRONG FREQUENCY. I WAS WORKING THAT POSITION AND DIDN'T HAVE A STRIP. WHEN THE ACFT CHECKED IN LEVEL AT 1700 FT MSL AND HEADING 180 DEGS; I ISSUED AN IMMEDIATE CLB TO 5000 FT. WHILE THIS WAS NOT THE REQUESTED ALTITUDE; THE LOW ALTITUDE ALERT WAS GOING OFF AND TOWERS OF 1600 FT MSL AND 1800 FT MSL ARE IN THE AREA WHERE THE ACFT WAS. THE DEP CALLS FOR RWY HEADING UNTIL 1700 FT MSL THEN CLBING TO REQUESTED ALTITUDE. THE ACFT LEVELED AT 1700 FT MSL. THIS HAS HAPPENED NUMEROUS TIMES IN THE LAST 6 MONTHS. I BELIEVE THE CREW MAY HAVE MISREAD THE SID. THERE HAVE BEEN SEVERAL CHANGES TO THE SID DEP AND FORMAT TO ADDRESS THE ISSUE. BOTH GOVT AND COMMERCIAL CHARTS ARE AFFECTED. THE WORDING ON BOTH NEEDS TO BE CLARIFIED. WHILE I DON'T IMMEDIATELY HAVE A SUGGESTION FOR FIXING THE CONFUSING WORDING OR GRAPHICS; I THINK IT WOULD BE PRUDENT TO STOP USING THE PIT 8 SID IMMEDIATELY. WE HAVE BEEN THROUGH SEVERAL REVISIONS AND THE SUPPORT PERSONNEL AT PIT ARE AWARE OF THE PROBLEM. CHARTING ON THE OTHER HAND HAS NOT BEEN RESPONSIVE TO THE REQUESTS OF THE PIT SUPPORT PERSONNEL. WE NEED TO GO BACK TO THE SEPARATE DEP PROCS AND SIDS BEFORE WE KILL SOMEONE.