Narrative:

An medium large transport was on a 200 degree heading to join psb 149 degree right climbing to FL180. A widebody transport was northbound climbing to FL310 at FL180. Next sector was given handoff and advised he would take the medium large transport on the 200 degree heading. The heading to join is standard procedure, so I turned the aircraft over to the next sector still on a 200 degree to join the radial. Altitudes above and below the widebody transport were available for about 4-5 mins. When the medium large transport reported on the frequency the sector had 2 mins flying time to separate in any way. Medium large transport turned on the radial sebnd after 5 mi. The controller realized he turned and then he tried to separate by turning medium large transport back to the southwest 250 degrees. This turned him directly into the face of widebody transport. Going to the northeast would have been better. He then tried to climb and descend both aircraft. Never did he try to turn the widebody transport.

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Original NASA ASRS Text

Title: ACFT ON VECTOR TO INTERCEPT AIRWAY TURNED ON COURSE AND CONFLICTED WITH A CONVERGING ACFT.

Narrative: AN MLG WAS ON A 200 DEG HDG TO JOIN PSB 149 DEG R CLBING TO FL180. A WDB WAS NBND CLBING TO FL310 AT FL180. NEXT SECTOR WAS GIVEN HDOF AND ADVISED HE WOULD TAKE THE MLG ON THE 200 DEG HDG. THE HDG TO JOIN IS STANDARD PROC, SO I TURNED THE ACFT OVER TO THE NEXT SECTOR STILL ON A 200 DEG TO JOIN THE RADIAL. ALTS ABOVE AND BELOW THE WDB WERE AVAILABLE FOR ABOUT 4-5 MINS. WHEN THE MLG RPTED ON THE FREQ THE SECTOR HAD 2 MINS FLYING TIME TO SEPARATE IN ANY WAY. MLG TURNED ON THE RADIAL SEBND AFTER 5 MI. THE CTLR REALIZED HE TURNED AND THEN HE TRIED TO SEPARATE BY TURNING MLG BACK TO THE SW 250 DEGS. THIS TURNED HIM DIRECTLY INTO THE FACE OF WDB. GOING TO THE NE WOULD HAVE BEEN BETTER. HE THEN TRIED TO CLB AND DSND BOTH ACFT. NEVER DID HE TRY TO TURN THE WDB.

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.