EXITING DVT CLASS D; C210 PLT ENTERS SDL CLASS D WITHOUT A CLRNC WHILE ATTEMPTING TO AVOID SDL IN TRANSITION TO P50 FOR A CLASS B CLRNC.

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PRIOR TO ENTERING ONTO RWY; THE DVT TWR ASKED FOR DESTINATION AND ALT. RESPONSE: SAT VIA ELP 11500. TWR INSTRUCTED; 'CLEARED FOR TKOF RWY 7R.' DEPARTED RWY 7R APPROX XA:00 PM. UPON LIFTOFF; WAS DIRECTED R TURN OUT. (DVT STOPS WORKING ME AT THIS POINT). I SOON REALIZE THIS AS A POTENTIAL PROB; AND INITIATE A L TURN TO PROCEED EBND. I THEN TUNED SCOTTSDALE (SDL). HEARING THE TWR AND TFC WITH SMALL BREAKS; I INCREASED MY RATE OF CLB TO CLR THE TOP OF THEIR AIRSPACE (SDL 4000 FT). SDL TWR CALLED AND ASK IF I WAS ON FREQ. I RESPONDED; 'ACFT ON FREQ.' THE TWR PERSON PROCEEDED TO EXPLAIN THAT I HAD ENTERED THEIR AIRSPACE WITHOUT RADIO CONTACT; ALSO TO PHONE THE TWR. THE REMAINING FLT TO SAT WAS NON-EVENTFUL. AFTER LNDG; I CALLED SDL AND HE EXPLAINED TO ME THAT I HAD ENTERED HIS AIRSPACE AT 3000 FT AND HAD EXITED AT 3900 FT WITHIN 1 MI OF THE DEP END OF RWY 3. HE ALSO EXPLAINED THAT THIS IS HAPPENING WAY TO OFTEN AND DOES NOT CARE WHAT MY REASON OR WHAT IT TAKES TO STAY OUT OF HIS AIRSPACE. I HAVE LEARNED FROM THE EXPERIENCE AND RECOMMEND THE DVT AND SDL TWR CTLRS NEED TO COME UP WITH A METHOD TO ELIMINATE THE CONFUSION. I SUGGEST DVT DIRECT EBND TFC TO PROCEED ON A 080 DEG HEADING; REMAIN CLR OF SDL AIRSPACE AND MONITOR SDL 119.9. BY DVT DIRECTING PLTS ON AN EBND FLT FOR A R TURN OUT; INDUCES SEVERAL POTENTIAL PROBS. UNDERSTAND; MOST PLTS WOULD PREFER TO BE PERFECT AND ADHERE TO SAFETY. IF I AM GUILTY AS CHARGED; IT IS NOT WITH INTENT. I CONSIDER MYSELF A VERY CAUTIOUS AND PRUDENT PLT. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: RPTR SUGGESTED ADDITIONAL RESOLUTIONS: THAT DVT FBO'S PROVIDE DETAILED AREA INGRESS/EGRESS PROCS AND ALERT PLTS OF LCL AIRSPACE REQUIREMENTS; DEVELOPMENT OF VFR HOLDING POINT W OF SDL WHERE PLTS REQUESTING A CLASS B CLRNC CAN HOLD UNTIL THEY RECEIVE THE CLRNC; CHANGE THE TOP OF SDL'S CLASS D TO 3500 TO ALLOW PLTS TO FLY ABOVE SDL WITHOUT REQUIRING THE PLT TO OBTAIN A CLRNC WHEN PROCEEDING TO OR FROM DVT; REQUIRE PLT REQUESTING A CLASS B CLRNC TO OBTAIN A CLASS B TRANSPONDER CODE PRIOR TO DEP FROM DVT OR SDL; REQUIRE DVT TO HAVE ALL EBND/SBND PLTS CALL SDL FOR CLASS D CLRNC AUTHORIZATION.