PA31 PLT REQUESTED CLRNC TO CROSS PHX CLASS B AIRSPACE FROM A MILFAC. CLRNC WAS GRANTED AND PLT WAS GIVEN A HDG AND ALT. THE MILFAC THEN HANDED THE ACFT OFF TO PHX APCH; WHICH CONTINUED CTL. WHEN THE NEXT HDOF WAS ATTEMPTED THE NEXT PHX CTLR REFUSED TO ACCEPT THE ACFT. THE ACFT PENETRATED CLASS D AIRSPACE WITHOUT CLRNC AS A RESULT.

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INADVERTENT ENTRY INTO CLASS D AIRSPACE (DEER VALLEY) WHILE MAINTAINING ALT AND HDG LAST ACKNOWLEDGED WITH APCH CTL (PHX). NO TFC CONFLICT RESULTED. AT APPROX XA00 ON NOV/XA/98 CONTACT WAS MADE WITH LUKE APCH 3 MI E OF BUCKEYE VOR. VECTORS AROUND/THROUGH PHX CLASS B AIRSPACE WERE REQUESTED AND LUKE APCH ASSIGNED HDG 030 DEGS AND 5500 FT MSL. ACFT WAS SUBSEQUENTLY HANDED OFF TO PHX APCH AND SOON WAS CLRED DIRECT SDL AT OR BELOW 5500 FT. WE ACKNOWLEDGED DIRECT SDL AT 3500 FT. APPROX 10 MI W OF SDL ARPT; CTLR ADVISED ME THE NEXT CTLR DECLINED THE HDOF; SQUAWK VFR AND TRY APCH ON 120.7. WHILE ATTEMPTING TO MAKE THIS CONTACT ON A BUSY FREQ AND WHILE MAINTAINING LAST ASSIGNED/ACKNOWLEDGED HDG AND ALT; ACFT PENETRATED DEER VALLEY CLASS D AIRSPACE. AN IMMEDIATE TURN TO THE S WAS EXECUTED AND WHEN CONTACT WAS FINALLY ACCOMPLISHED WITH APCH ON 120.7; CTLR ADVISED 7 MI W OF SDL; SQUAWK VFR AND CONTACT SDL TWR. THERE MUST BE A BETTER PROC THAN TO CUT LOOSE AN ACFT BEING VECTORED WITH ALT RESTRS WHERE THE LAST ASSIGNED/ACKNOWLEDGED HDG AND ALT WILL LEAD TO INAPPROPRIATE AIRSPACE PENETRATION.