NMAC.

Narrative

SRQ CTLR HAD ME ABORT APCH TO RWY 04; TURN R ON DOWNWIND FOR RWY 32 TO FOLLOW A TWIN ENG ACFT FOR LNDG ON RWY 32. I ACKNOWLEDGED R TURN TO DOWNWIND FOR RWY 32 AND THAT I DID NOT HAVE THE OTHER ACFT IN SIGHT. CTLR CONTACTED ME A SECOND TIME AND ASKED IF I HAD OTHER TFC IN SIGHT. I STATED THAT I DID NOT. AT APPROX A 45 DEG ANGLE TO THE THRESHOLD OF RWY 32 I TURNED BASE. CTLR CONTACTED ME AGAIN AND ASKED IF I HAD THE TFC IN VIEW. I STATED THAT I DID NOT. CTLR THEN SAID HE TOLD ME TO REMAIN ON DOWNWIND AND THAT I SHOULD NOW MAKE AN IMMEDIATE L TURN AND FOLLOW A BONANZA ON DOWNWIND FOR RWY 32. I STATED TO THE CTLR THAT I HAD THE BONANZA IN VIEW AND LANDED AFTER THE BONANZA WITHOUT INCIDENT. THE TWIN ENG ACFT THAT I WAS TO FOLLOW ON MY INITIAL DOWNWIND TO RWY 32 APPARENTLY WAS MAKING A STRAIGHT-IN APCH TO RWY 32 AND HAD TO TAKE EVASIVE ACTION TO AVOID COLLISION. AFTER MAKING MY L TURN OFF RWY 32 BASE AT THE CTLR'S INSTRUCTION; I LOOKED OUT AND BACK AND SAW THE TWIN ON FINAL APCH APPROX 500 FT AWAY. AFTER REVIEWING THE AUDIO TAPES OF THE INCIDENT; IT WAS CONFIRMED THAT THE CTLR; ON HIS SECOND CALL TO ME; STATED THAT I SHOULD CONTINUE DOWNWIND TO LAND AFTER THE TWIN ENG ACFT. I DID NOT HEAR THE PART OF THE XMISSION TO CONTINUE DOWNWIND; ONLY THE REF TO THE TWIN. MY RESPONSE WAS ONLY THAT I DID NOT HAVE THE TWIN IN SIGHT. I TURNED ON TO BASE BECAUSE I WAS UNAWARE OF ANY INSTRUCTIONS TO NOT MAKE SUCH A TURN. I BELIEVE THE SIT AROSE BECAUSE OF 2 FACTORS: THE CTLR DID NOT ADVISE THAT THE OTHER ACFT WAS MAKING A STRAIGHT IN APCH TO RWY 32. I THOUGHT I WAS FOLLOWING ANOTHER ACFT TO RWY 32. HAD I BEEN AWARE THE OTHER ACFT WAS COMING STRAIGHT IN; I WOULD NOT HAVE TURNED TO BASE WITHOUT HAVING THE OTHER ACFT IN SIGHT OR CONFIRMING THAT SUCH A TURN WAS CLR. THOUGH I DID NOT ACKNOWLEDGE TO CONTINUE ON THE DOWNWIND; THE CTLR ASSUMED I HEARD THAT PART OF THE XMISSION SINCE I DID STATE THAT I DID NOT HAVE THE OTHER ACFT IN SIGHT. UNDER THE CIRCUMSTANCES; IT WOULD SEEM TO HAVE BEEN PRUDENT FOR THE CTLR TO RESTATE CONTINUING ON THE DOWNWIND SINCE I MADE NO CONFIRMATION OF SUCH ACTION.