ATCT LCL CTLR CLRED A TRINIDAD TO LAND ON RWY 15R AND AT THE SAME TIME CLRED AN LR60 TO LAND ON AN INTERSECTING RWY 7. CTLR REALIZED THE ACFT WOULD MEET AT THE INTXN AND TOLD THE TRINIDAD TO GAR AND THE ACFT MISSED BY 20 FT AT THE INTXN.

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AFTER CANCELING IFR; I WAS INSTRUCTED BY SBA APCH TO ENTER THE BASE LEG FOR RWY 15. ABOUT 4 MI NE OF THE ARPT; I WAS HANDED OFF TO THE TWR. TWR INSTRUCTED ME TO ENTER A BASE LEG FOR RWY 15R. SHORTLY THEREAFTER; I WAS REQUESTED TO SQUARE MY BASE TO FINAL TO CREATE SPACING FOR A SINGLE ENG ACFT DEPARTING IN THE OPPOSITE DIRECTION OFF THE PARALLEL RWY 33R. I LOCATED THE DEPARTING TFC AND KEPT IT IN SIGHT WHILE I MADE AN EARLY R XWIND TURN AND EXITED THE PATTERN. THE TWR STATED THAT MY TFC WAS NO LONGER A FACTOR AND THAT I WAS CLRED TO LAND ON RWY 15R; TO WHICH I ACKNOWLEDGED. I VAGUELY RECALL ANOTHER ACFT CALLING IN ON THE VISUAL APCH AND BEING CLRED TO LAND ON RWY 7; THE INTERSECTING RWY. AT NO TIME DID I HAVE THIS ACFT IN SIGHT AND DUE TO THE FACT THAT THE TWR DIDN'T ALERT ME TO ITS POS; I ASSUMED THAT THIS ACFT WAS STILL A WAYS OUT AND NOT A FACTOR. AS I WAS ROUNDING OUT INTO THE FLARE; MY R SEAT PAX QUESTIONED ME ABOUT; 'WHAT'S THAT OTHER AIRPLANE DOING?' BEING VERY CLOSE TO THE GND; I WAS UNABLE TO FOCUS MY ATTN IN THE DIRECTION THAT WAS INDICATED FOR MORE THAN A SECOND. I DIDN'T SEE THE OTHER ACFT BECAUSE EITHER IT WAS OBSTRUCTED BY MY ACFT'S WINDOW POST OR BY MY PAX'S BODY. I DISMISSED THE QUERY FIGURING MY PAX WAS REFERRING TO SOMETHING THAT WAS OF NO CONSEQUENCE. A SECOND OR TWO LATER THE TWR CTLR CAME ON FREQ FRANTICALLY CALLING; 'GO AROUND; GO AROUND; GO AROUND!' I WAS MOMENTARILY CONFUSED; BUT CAUGHT SIGHT OF A LEAR 60 ON THE LNDG ROLLOUT MAYBE 50 YARDS AWAY STILL TRAVELING CLOSE TO WHAT I WOULD FIGURE TO BE 100 KTS. ALTHOUGH I WAS VERY CLOSE TO STALL SPD IN GND EFFECT; I PULLED UP AND TO THE L; IMMEDIATELY PUTTING IN FULL PWR. THE LEAR PASSED BTWN 10-20 FT BELOW ME (WHICH THE LEAR PLT LATER CONFIRMED). IF I HAD NOT TAKEN EVASIVE ACTION; THE 2 ACFT WOULD HAVE COLLIDED. AS I GAINED AIRSPD; RAISING GEAR AND FLAPS; I HEARD THE LEAR PLT ASK WHO WAS CLRED TO LAND. THE TWR CTLR STATED THE LEAR'S TAIL NUMBER. I SAID; 'WHAT'S GOING ON GUYS? WE WERE CLRED TO LAND AS WELL.' THIS WAS NOT DISPUTED BY THE TWR CTLR; WHO THEN INSTRUCTED ME TO FLY R TFC. I LANDED WITHOUT FURTHER INCIDENT. I SPOKE TO THE LEAR PLT ON THE GND AFTER SHUTTING DOWN. HE REMEMBERS HEARING ME BEING CLRED TO LAND. HE WAS NOT AWARE OF MY POS AND FIRST SAW ME AS I PULLED UP AND OVER HIS WINDSCREEN. HE STATED THAT MY LOW AIRSPD; COMBINED WITH A SOMEWHAT BANKED ANGLE; CONVINCED HIM THAT I WAS IN THE PROCESS OF STALLING. HE AND HIS FO; WHO WAS APPLYING THRUST REVERSE WHEN THEY HEARD THE CTLR'S CALL; EXPRESSED THAT THERE WAS A MOMENTARY CONFUSION AS TO WHO WAS BEING ADDRESSED TO GO AROUND; PARTICULARLY SINCE THEY WERE NO LONGER IN A FLYING CONFIGN. I HAD A LATER CONVERSATION BY PHONE WITH THE ACTING TWR SUPVR WHO INFORMED ME THAT THE CTLR HAD BEEN RELIEVED OF DUTY AND THAT AN INQUIRY WAS PENDING. SUPPLEMENTAL INFO FROM ACN 404068: ARRIVING INTO THE SBA ARPT; WE WERE CLRED FOR THE VISUAL APCH ON RWY 7. WE WERE THEN CLRED TO LAND ON RWY 7 WHEN WE HEARD SHORTLY AFTER A TRINIDAD BEING CLRED TO LAND ON RWY 15R. DURING THE LNDG ROLLOUT; WE WERE UNAWARE OF THE TRINIDAD'S POS. WE THEN HEARD THE TWR CTLR TELL THE TRINIDAD TO GO AROUND. AT THAT TIME WE SAW THE TRINIDAD OFF OUR L; APPROX 20 FT ABOVE OUR ACFT. WE WERE GIVEN NO TFC INFO AFTER BEING CLRED TO LAND ON THE INTERSECTING RWY.