Narrative:

Low wing GA cherokee style aircraft, traveling north caused TCASII RA on CL65 after our aircraft was turned into the path of the VFR aircraft (turn from 090 degrees to 120 degrees). Initiated evasive action in a climb to 4000 ft until visual contact was made. Alerted ATC and returned to assigned altitude of 3500 ft. VFR aircraft continued on north heading through both runway 27L and runway 26R localizer/finals with no communication with ant ATC controller.

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Original NASA ASRS Text

Title: A CL65 PIC CLBS TO AVOID A PA28 WHO WAS IN ATL CLASS B AIRSPACE ALLEGEDLY WITHOUT CLRNC FROM ATC. ATL, GA.

Narrative: LOW WING GA CHEROKEE STYLE ACFT, TRAVELING N CAUSED TCASII RA ON CL65 AFTER OUR ACFT WAS TURNED INTO THE PATH OF THE VFR ACFT (TURN FROM 090 DEGS TO 120 DEGS). INITIATED EVASIVE ACTION IN A CLB TO 4000 FT UNTIL VISUAL CONTACT WAS MADE. ALERTED ATC AND RETURNED TO ASSIGNED ALT OF 3500 FT. VFR ACFT CONTINUED ON N HDG THROUGH BOTH RWY 27L AND RWY 26R LOC/FINALS WITH NO COM WITH ANT ATC CTLR.

Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.