Narrative:

Inbound to clt, approaching over southeast gate with north operation. Initially planned, briefed, and set radios for runway 36R. First contact with approach advised runway 36L. Re-briefed runway 36L and set up FMC accordingly. First officer forgot to change ILS frequency and I didn't catch it. I was in navigation with intercept leg to the marker for the left side, and clt tuned manually so I could more easily keep track of the bearing to the station and the DME. Level 3600 ft, then heading 340 degrees to intercept the localizer at 3000 ft or above, cleared for the approach. Moments later, I realized that we had intercepted the localizer and were starting to descend on the GS. Approximately 3300 ft MSL, approach asked if we were established on the localizer. After looking at my CDI tracking LNAV off the FMC for runway 36L and noting almost centered as well as the first officer's CDI tracking the localizer (centered), I responded affirmative. Approach advised that we appeared to be heading for runway 36R, cleared us to 2300 ft with a left turn to call the airport visually. We both picked it up moments later and were cleared to an uneventful landing on the correct runway. I met the controller in person shortly afterward to explain what had happened. He mentioned that it had not caused any difficulties and that being alert to what happened to us was part of his job. He said that he could have assisted better by mentioning the new ILS frequency when he gave us the change. While that may have worked, it was still our mistake. I had been lulled into complacency by having an excellent first officer. The perception of an eventual visual approach and the total familiarity with our home airport. I always check the first officer's radio set-up and had so before the change in plan. The next time, I will be more alert, especially after a change in plan. Also, I always (as the PNF) change to the ILS frequency sometime during the approach. Now I will do so no later than approach clearance with an identify.

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Original NASA ASRS Text

Title: AN ACR MLG STARTED AN APCH TO THE WRONG RWY.

Narrative: INBOUND TO CLT, APCHING OVER SE GATE WITH N OP. INITIALLY PLANNED, BRIEFED, AND SET RADIOS FOR RWY 36R. FIRST CONTACT WITH APCH ADVISED RWY 36L. RE-BRIEFED RWY 36L AND SET UP FMC ACCORDINGLY. FO FORGOT TO CHANGE ILS FREQ AND I DIDN'T CATCH IT. I WAS IN NAV WITH INTERCEPT LEG TO THE MARKER FOR THE L SIDE, AND CLT TUNED MANUALLY SO I COULD MORE EASILY KEEP TRACK OF THE BEARING TO THE STATION AND THE DME. LEVEL 3600 FT, THEN HDG 340 DEGS TO INTERCEPT THE LOC AT 3000 FT OR ABOVE, CLRED FOR THE APCH. MOMENTS LATER, I REALIZED THAT WE HAD INTERCEPTED THE LOC AND WERE STARTING TO DSND ON THE GS. APPROX 3300 FT MSL, APCH ASKED IF WE WERE ESTABLISHED ON THE LOC. AFTER LOOKING AT MY CDI TRACKING LNAV OFF THE FMC FOR RWY 36L AND NOTING ALMOST CTRED AS WELL AS THE FO'S CDI TRACKING THE LOC (CTRED), I RESPONDED AFFIRMATIVE. APCH ADVISED THAT WE APPEARED TO BE HDG FOR RWY 36R, CLRED US TO 2300 FT WITH A L TURN TO CALL THE ARPT VISUALLY. WE BOTH PICKED IT UP MOMENTS LATER AND WERE CLRED TO AN UNEVENTFUL LNDG ON THE CORRECT RWY. I MET THE CTLR IN PERSON SHORTLY AFTERWARD TO EXPLAIN WHAT HAD HAPPENED. HE MENTIONED THAT IT HAD NOT CAUSED ANY DIFFICULTIES AND THAT BEING ALERT TO WHAT HAPPENED TO US WAS PART OF HIS JOB. HE SAID THAT HE COULD HAVE ASSISTED BETTER BY MENTIONING THE NEW ILS FREQ WHEN HE GAVE US THE CHANGE. WHILE THAT MAY HAVE WORKED, IT WAS STILL OUR MISTAKE. I HAD BEEN LULLED INTO COMPLACENCY BY HAVING AN EXCELLENT FO. THE PERCEPTION OF AN EVENTUAL VISUAL APCH AND THE TOTAL FAMILIARITY WITH OUR HOME ARPT. I ALWAYS CHK THE FO'S RADIO SET-UP AND HAD SO BEFORE THE CHANGE IN PLAN. THE NEXT TIME, I WILL BE MORE ALERT, ESPECIALLY AFTER A CHANGE IN PLAN. ALSO, I ALWAYS (AS THE PNF) CHANGE TO THE ILS FREQ SOMETIME DURING THE APCH. NOW I WILL DO SO NO LATER THAN APCH CLRNC WITH AN IDENT.

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.