ACR SF34 ON VECTOR HDG OFF SPS HAD NMAC WITH KING AIR IN TFC PATTERN AT T47 ARPT APPROX 3 NM S SPS. CTLR DID CALL TFC AND SF34 HAD TARGET ON HIS TCASII. SF34 STARTED A L TURN WITHOUT CLRNC FROM DEP CTLR AND CLBED IN ACCORDANCE WITH HIS TCASII 'RA.'

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'CLRED FOR TKOF RWY 17; AT DEP END OF RWY TURN L HDG 150 DEGS; MAINTAIN 2300 FT.' THIS CLRNC TAKES YOU VERY NEAR THE TFC PATTERN AT KICKAPOO. RIGHT AFTER TURNING TO 150 DEGS I NOTICED A TARGET ON THE TCASII DISPLAY AT OUR 12 O'CLOCK AND ABOUT 7 MI; AT THE SAME ALT. WE STARTED TO LOOK FOR HIM AND STARTED A L TURN JUST AS DEP CALLED THE TFC TO US. WE TOLD HIM WE WERE TURNING L; BUT BEFORE WE WERE ABLE TO GET A VISUAL ON THE TFC WE GOT AN 'RA' CALLING FOR A 1500 FPM CLB. I DISCONNECTED THE AUTOPLT AND STARTED THE CLB; STILL IN THE TURN. WE CAUGHT SIGHT OF THE ACFT AS HE PASSED OUR 3 O'CLOCK POS AND JUST A FEW HUNDRED FT BELOW US. I STOPPED THE CLB AT 3000 FT AND THE CAPT RPTED THE TCASII RA TO DEP; TELLING THEM OUR ALT. DEP CLRED US TO 9000 FT AND ON COURSE. THE ACFT LOOKED LIKE A KING-AIR. I BELIEVE THIS CONFLICT CAN BE AVOIDED BY NOT UTILIZING RWY 17 FOR TKOF IF WE ARE RESTR TO A LEVEL OFF AT 2300 FT. I UNDERSTAND THAT THIS LOW ALT AFTER DEP IS TO AVOID THE MIL TFC USING RWY 15R AND FLYING A R PATTERN; BUT THIS IS THE THIRD TIME IN 2 WKS THAT I HAVE SEEN THIS CONFLICT WITH THE VFR PATTERN AT KICKAPOO. THE OTHER TWO TIMES WERE NOT AS CLOSE AND WE WERE ABLE TO SEE THE TFC SOONER; BUT THE POTENTIAL FOR A MIDAIR IS VERY REAL AND ATC SEEMS TO HAVE A CASUAL ATTITUDE TOWARD POTENTIAL CONFLICTS WITH BOTH THE KICKAPOO TFC AND THEIR OWN MIL TFC AT SHEPPARD. IF THEY KNOW ABOUT VFR TFC S OF SHEPPARD; THEY SHOULD NOT BE CLRING US; A PART 121 ACR; FOR TKOF -- RIGHT INTO THAT TFC.