AN SMA TWIN FLT INSTRUCTOR RPTS THAT THERE MAY HAVE BEEN A NMAC; AS WELL AS A LESS SEVERE CONFLICT; IN THE BJC TFC PATTERN UNDER TWR CTL.

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THIS WAS A MULTI-ENG TRAINING FLT. I WAS IN THE R SEAT OF AN SMA AND MY STUDENT WAS FLYING UNDER THE HOOD. AS WE WERE APCHING THE JEFFCO TFC PATTERN AT APPROX 7500-7300 FT; I NOTICED ANOTHER ACFT R OF OUR ACFT AND LOWER. I DETERMINED THAT; DUE TO OUR ALT ABOVE AND OFFSET FROM THE OTHER ACFT; EVASIVE ACTION WAS NOT NECESSARY. WE WERE OVERTAKING THE ACFT AT A HIGH PACE. SO OUR PRESENT COURSE WAS THE FASTEST WAY TO AVOID. AFTER I RPTED IN TO BJC TWR FOR LNDG; ANOTHER ACFT ASKED TWR IF NX WAS ON FREQ. TWR REPLIED AFFIRMATIVE; AND THE ACFT RPTED A NEAR MISS. ON MON; X; MR Y CALLED FROM THE FAA TO INQUIRE ON THIS RPT. HE SAID THAT THE PLT RPTED A 30 FT NEAR MISS. IF THIS IS AN ACCURATE STATEMENT; THEN I DID NOT EVER SEE THE ACFT AND THEREFORE COULD NOT TAKE EVASIVE ACTION. IT IS POSSIBLE THAT THIS OTHER ACFT DID HAVE A NEAR MISS WITH ANOTHER LIGHT TWIN AND SINCE HE HEARD MY NUMBERS ON THE TWR FREQ ASSUMED IT WAS ME. I DO NOT KNOW WHAT SOLUTIONS I CAN OFFER FOR THIS SITUATION BECAUSE I'M NOT CERTAIN THAT IT WAS MY ACFT THAT WAS INVOLVED.