Narrative:

During approach into the atlanta area, after passing tiroe at 14000 ft, we were cleared by atl approach to 10000 ft. The captain read back 10000 ft and I continued descent to 10000 ft. Shortly thereafter, we received a TCASII TA and established visual contact with a departing aircraft at our altitude, 11 O'clock position for 8 mi. This was immediately followed by a TCASII RA to climb. We acknowledged the RA, and I began a right climbing turn. The captain advised atl approach we were climbing for a TCASII RA, and the controller then told us we were only cleared to 11000 ft. We maintained 11000 ft until cleared lower, and the rest of the approach was uneventful. After landing, the captain got the phone number for atl approach (127.90), and called to speak with the controller. We were told that they had played the tapes, and we had been mistakenly cleared to 10000 ft -- a controller error.

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Original NASA ASRS Text

Title: CARJ FLC MAKES A TCASII MANEUVER WHEN CONFLICTING WITH AN MD88 WHILE ON VECTOR WITH ATL APCH CTL.

Narrative: DURING APCH INTO THE ATLANTA AREA, AFTER PASSING TIROE AT 14000 FT, WE WERE CLRED BY ATL APCH TO 10000 FT. THE CAPT READ BACK 10000 FT AND I CONTINUED DSCNT TO 10000 FT. SHORTLY THEREAFTER, WE RECEIVED A TCASII TA AND ESTABLISHED VISUAL CONTACT WITH A DEPARTING ACFT AT OUR ALT, 11 O'CLOCK POS FOR 8 MI. THIS WAS IMMEDIATELY FOLLOWED BY A TCASII RA TO CLB. WE ACKNOWLEDGED THE RA, AND I BEGAN A R CLBING TURN. THE CAPT ADVISED ATL APCH WE WERE CLBING FOR A TCASII RA, AND THE CTLR THEN TOLD US WE WERE ONLY CLRED TO 11000 FT. WE MAINTAINED 11000 FT UNTIL CLRED LOWER, AND THE REST OF THE APCH WAS UNEVENTFUL. AFTER LNDG, THE CAPT GOT THE PHONE NUMBER FOR ATL APCH (127.90), AND CALLED TO SPEAK WITH THE CTLR. WE WERE TOLD THAT THEY HAD PLAYED THE TAPES, AND WE HAD BEEN MISTAKENLY CLRED TO 10000 FT -- A CTLR ERROR.

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.