Narrative:

Air carrier X on downwind for the ILS runway 26 approach. ATC gave us a right turn to intercept and to maintain 2000 ft, clearing us for the approach. ATC advised us of a B-747-400 at 12 O'clock in our turn. I said, 'we are still in the clouds.' I then saw the 747, and asked 'where is the 747 going?' (he looked awful close.) the controller said, 'he's on the simultaneous approach for runway 27.' the initial turn-on was tight and caused us to overshoot the runway 26 centerline. We were told to maintain 180 KTS. I told the first officer, who was flying, to be ready for possible wake turbulence. Approach then said, 'slow to 150 KTS.' I said, 'what speed?' (below 170 KTS without pilot concurrence is not in accordance with the air traffic controller's handbook.) he said, '150.' I said, 'that's a little slow for our weight.' the controller said, 'sir, if you can't do it, you should tell me.' we were in and out of clouds, and the TCASII showed the B-747 to be 2 mi ahead for runway 27. The controller said, 'do you have the field?' I said, 'negative.' he said, 'come right to 310 degrees, maintain 2000 ft. I'm breaking you out and bringing you back around.' he then added, 'sorry about that, my fault.' it appeared that the controller had misjudged turn and wind and got us too close to the 747. He took corrective action when he realized it.

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Original NASA ASRS Text

Title: MULTIPLE RWY OP PARALLEL APCH SIMULTANEOUS APCH ACR X HAD CONFLICT WITH B747.

Narrative: ACR X ON DOWNWIND FOR THE ILS RWY 26 APCH. ATC GAVE US A R TURN TO INTERCEPT AND TO MAINTAIN 2000 FT, CLRING US FOR THE APCH. ATC ADVISED US OF A B-747-400 AT 12 O'CLOCK IN OUR TURN. I SAID, 'WE ARE STILL IN THE CLOUDS.' I THEN SAW THE 747, AND ASKED 'WHERE IS THE 747 GOING?' (HE LOOKED AWFUL CLOSE.) THE CTLR SAID, 'HE'S ON THE SIMULTANEOUS APCH FOR RWY 27.' THE INITIAL TURN-ON WAS TIGHT AND CAUSED US TO OVERSHOOT THE RWY 26 CTRLINE. WE WERE TOLD TO MAINTAIN 180 KTS. I TOLD THE FO, WHO WAS FLYING, TO BE READY FOR POSSIBLE WAKE TURB. APCH THEN SAID, 'SLOW TO 150 KTS.' I SAID, 'WHAT SPD?' (BELOW 170 KTS WITHOUT PLT CONCURRENCE IS NOT IN ACCORDANCE WITH THE AIR TFC CTLR'S HANDBOOK.) HE SAID, '150.' I SAID, 'THAT'S A LITTLE SLOW FOR OUR WT.' THE CTLR SAID, 'SIR, IF YOU CAN'T DO IT, YOU SHOULD TELL ME.' WE WERE IN AND OUT OF CLOUDS, AND THE TCASII SHOWED THE B-747 TO BE 2 MI AHEAD FOR RWY 27. THE CTLR SAID, 'DO YOU HAVE THE FIELD?' I SAID, 'NEGATIVE.' HE SAID, 'COME R TO 310 DEGS, MAINTAIN 2000 FT. I'M BREAKING YOU OUT AND BRINGING YOU BACK AROUND.' HE THEN ADDED, 'SORRY ABOUT THAT, MY FAULT.' IT APPEARED THAT THE CTLR HAD MISJUDGED TURN AND WIND AND GOT US TOO CLOSE TO THE 747. HE TOOK CORRECTIVE ACTION WHEN HE REALIZED IT.

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.