Narrative:

Normal flight approach and landing at ord runway 27R. A commuter aircraft landed on runway 22R. I cleared runway 27R at taxiway C. The commuter cleared runway 22R at taxiway C behind me. Tower gave us taxi instructions as we were clearing the runway and in the process of xferring control as it was the first officer's leg. Normal procedure landing on runway 22R or runway 27R is to clear runway and taxi in to our gates at the 'northport.' as I cleared at taxiway C, I made a hard left turn to go in to northport the commuter came close up behind me. Ground said they had wanted us on taxiway B but to go in to northport. Tower wanted me to call them. I did. He said we were given instructions to go onto taxiway B. I did not hear them. Factors: lahso's with aircraft clearing from 2 runways onto the same taxiway. First officer being new (3 months on line) might not have understood taxi instructions or been reluctant to challenge captain that was familiar with ord. Taxiway B and the concourse taxi lane being close together at this point. Crew not hearing and understanding taxi clearance. No evasive action taken. Will make sure I know exactly what clrncs were given and not rely on past practices.

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Original NASA ASRS Text

Title: AN ACR PIC CREATES A PROB FOR ORD GND CTLR WHEN HE USES THE WRONG TXWY FOR THE NORTHPORT TERMINAL, ORD, IL.

Narrative: NORMAL FLT APCH AND LNDG AT ORD RWY 27R. A COMMUTER ACFT LANDED ON RWY 22R. I CLRED RWY 27R AT TXWY C. THE COMMUTER CLRED RWY 22R AT TXWY C BEHIND ME. TWR GAVE US TAXI INSTRUCTIONS AS WE WERE CLRING THE RWY AND IN THE PROCESS OF XFERRING CTL AS IT WAS THE FO'S LEG. NORMAL PROC LNDG ON RWY 22R OR RWY 27R IS TO CLR RWY AND TAXI IN TO OUR GATES AT THE 'NORTHPORT.' AS I CLRED AT TXWY C, I MADE A HARD L TURN TO GO IN TO NORTHPORT THE COMMUTER CAME CLOSE UP BEHIND ME. GND SAID THEY HAD WANTED US ON TXWY B BUT TO GO IN TO NORTHPORT. TWR WANTED ME TO CALL THEM. I DID. HE SAID WE WERE GIVEN INSTRUCTIONS TO GO ONTO TXWY B. I DID NOT HEAR THEM. FACTORS: LAHSO'S WITH ACFT CLRING FROM 2 RWYS ONTO THE SAME TXWY. FO BEING NEW (3 MONTHS ON LINE) MIGHT NOT HAVE UNDERSTOOD TAXI INSTRUCTIONS OR BEEN RELUCTANT TO CHALLENGE CAPT THAT WAS FAMILIAR WITH ORD. TXWY B AND THE CONCOURSE TAXI LANE BEING CLOSE TOGETHER AT THIS POINT. CREW NOT HEARING AND UNDERSTANDING TAXI CLRNC. NO EVASIVE ACTION TAKEN. WILL MAKE SURE I KNOW EXACTLY WHAT CLRNCS WERE GIVEN AND NOT RELY ON PAST PRACTICES.

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.