AT72 FLC INITIATES EVASIVE ACTION FROM C172 AHEAD ON APCH; NOT REALIZING THAT AGS APCH WANTED THE AT72 TO PROCEED INBOUND IN FRONT OF THE C172.

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THE FO WAS FLYING AND I WAS WORKING THE RADIOS. I HAD CHKED ON WITH AUGUSTA APCH AND WAS TOLD TO EXPECT A VISUAL APCH TO RWY 35. APCH WAS ALSO TALKING TO A CESSNA WHO WAS ON VECTORS FOR A PRACTICE APCH TO THE ILS RWY 35. APCH GAVE US A CLRNC TO DSND TO 2700 FT AND TURN TO A HDG OF 150 DEGS AND ASKED IF WE HAD THE CESSNA IN SIGHT. I INDICATED THAT WE HAD THE TFC IN SIGHT. HE SAID WE WERE CLRED FOR THE VISUAL APCH TO RWY 35 'WITH REF' TO THE CESSNA TFC. I INTERPED THIS TO MEAN WE WERE FOLLOWING THE CESSNA WHO WAS ALSO GOING TO RWY 35. WE WERE TRAVELING MUCH FASTER AS WE ENTERED THE L DOWNWIND TO FOLLOW THE CESSNA. WHEN WE RECEIVED A TA ON THE CESSNA; I TOLD THE FO TO WIDEN OUT TO STAY CLR OF THE CESSNA. APCH THEN ASKED WHERE WE WERE GOING. I EXPLAINED THAT WE WERE WIDENING OUT OUR DOWNWIND AND I SUGGESTED WE COULD DO A 360 DEG TURN ON DOWNWIND. HE SAID WE WERE ACTUALLY #1 FOR THE APCH AND HAD US TURN L TO 090 DEGS AND MAINTAIN NO HIGHER THAN 2500 FT. WE TURNED; PASSED UNDER THE CESSNA; AND LANDED. THE CTLR IN THIS SIT SHOULD HAVE SAID THAT WE WERE #1 FOR THE APCH WHEN HE INITIALLY CLRED US FOR THE APCH.