BH222UT HELI LNDG AT UNICOM ARPT SAW A BEECH BONANZA; ALSO IN THE PATTERN; TAKE EVASIVE ACTION TO AVOID RPTR PLT. RPTR TOOK NO ACTION BECAUSE THE OTHER ACFT ALREADY WAS.

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I WAS REPOSITIONING FROM THE HOSPITAL TO THE ARPT AFTER AN EMS FLT. THE HOSPITAL IS 4.8 NM SW OF THE ARPT. UPON TKOF FROM HOSPITAL; I MADE MY INITIAL CALL TO THE CTAF OF MY POS AND INTENTIONS. I ALSO CALLED THE UNICOM TO PUT FUEL ON REQUEST. AFTER THOSE 2 CALLS; THE ONLY CALL FROM TFC WAS A BONANZA 15 NM E FOR LNDG. I SET UP TO AVOID THE FLOW OF FIXED WING BY DIVERTING N FOR A CIRCLING APCH FROM W TURNING S FOR LNDG AT SW HELIPAD. WHEN APPROX 3 NM W; A CREW MEMBER RPTED AN ACFT AT 1 O'CLOCK. I SCANNED FROM 12 O'CLOCK TO 6 O'CLOCK AND SAW A CESSNA TURNING R XWIND TO RWY 18 AND THEN I SAW THE REAL FACTOR; A BONANZA PASSING FROM 5 O'CLOCK TO 6 O'CLOCK MUCH CLOSER. I TOOK NO EVASIVE ACTION BECAUSE IT APPEARED HE WAS TAKING EVASIVE ACTION BY TURNING AWAY AND CLBING. I CONTINUED MY APCH AND LANDED. SHORTLY AFTER LNDG I OBSERVED THE BONANZA DOING TOUCH-AND-GOES BUT HEARD NO RADIO CALLS FROM HIM OR HER. WHILE I WAS LNDG A CHEROKEE MADE CALLS TAKING THE ACTIVE AND TAKING OFF RWY 18. I HAD NO RADIO PROBS AS I HEARD THEIR CALLS.