Narrative:

As a check airman, I was occupying the right seat with a new captain on his IOE. I was flying this leg (sjc-lax). I had not flown into lax in 3-4 yrs. Approaching smo from the north, we were cleared the stadium visual approach to runway 24R. WX was clear, visibility 6 mi in haze (smog). Located approach chart and commenced approach, turning base leg over coliseum as published. Aircraft was on autoplt, runway 24R localizer armed for capture, IAS approximately 210 KIAS. We did not have the smo 084 degree radial set in other navigation radio to identify the point at which the 45 degree turn to final was to be commenced -- an oversight on my part. As a result, we got a localizer capture on a 90 degree intercept which resulted, predictably, in an overshoot of the runway 24R localizer. Almost simultaneously we received a TCASII RA to climb, disengaged autoplt and climbed approximately 400 ft. We had a conflict with an aircraft on approach to runway 25L. By now I had been distracted to the point that I did not immediately commence a turn back to the right to reintercept runway 24R localizer. Looked out and just barely made out a pair of parallel runways ahead (visibility very marginal when down in the smog). After approximately 10-15 seconds the 'new' captain pointed out that I was lined up on runway 25L. Corrected over to the right and made uneventful approach and landing on runway 24R. Factors: 1) unfamiliarity with visual approachs into lax. 2) low visibility in smog. Lost sight of lax on base leg and did not 'lead' turn for the runway 24R localizer intercept. 3) failure of lax approach to caution that simultaneous approachs were in progress (runway 24R and runway 25L). 4) distraction of TCASII RA (although it may have saved us from a midair!) and failure to xchk the localizer indications against the runway north which I was lined up.

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Original NASA ASRS Text

Title: NAV ERROR CAUSES LOC OVERSHOOT, CONFLICT AND TCASII RA.

Narrative: AS A CHK AIRMAN, I WAS OCCUPYING THE R SEAT WITH A NEW CAPT ON HIS IOE. I WAS FLYING THIS LEG (SJC-LAX). I HAD NOT FLOWN INTO LAX IN 3-4 YRS. APCHING SMO FROM THE N, WE WERE CLRED THE STADIUM VISUAL APCH TO RWY 24R. WX WAS CLR, VISIBILITY 6 MI IN HAZE (SMOG). LOCATED APCH CHART AND COMMENCED APCH, TURNING BASE LEG OVER COLISEUM AS PUBLISHED. ACFT WAS ON AUTOPLT, RWY 24R LOC ARMED FOR CAPTURE, IAS APPROX 210 KIAS. WE DID NOT HAVE THE SMO 084 DEG RADIAL SET IN OTHER NAV RADIO TO IDENT THE POINT AT WHICH THE 45 DEG TURN TO FINAL WAS TO BE COMMENCED -- AN OVERSIGHT ON MY PART. AS A RESULT, WE GOT A LOC CAPTURE ON A 90 DEG INTERCEPT WHICH RESULTED, PREDICTABLY, IN AN OVERSHOOT OF THE RWY 24R LOC. ALMOST SIMULTANEOUSLY WE RECEIVED A TCASII RA TO CLB, DISENGAGED AUTOPLT AND CLBED APPROX 400 FT. WE HAD A CONFLICT WITH AN ACFT ON APCH TO RWY 25L. BY NOW I HAD BEEN DISTRACTED TO THE POINT THAT I DID NOT IMMEDIATELY COMMENCE A TURN BACK TO THE R TO REINTERCEPT RWY 24R LOC. LOOKED OUT AND JUST BARELY MADE OUT A PAIR OF PARALLEL RWYS AHEAD (VISIBILITY VERY MARGINAL WHEN DOWN IN THE SMOG). AFTER APPROX 10-15 SECONDS THE 'NEW' CAPT POINTED OUT THAT I WAS LINED UP ON RWY 25L. CORRECTED OVER TO THE R AND MADE UNEVENTFUL APCH AND LNDG ON RWY 24R. FACTORS: 1) UNFAMILIARITY WITH VISUAL APCHS INTO LAX. 2) LOW VISIBILITY IN SMOG. LOST SIGHT OF LAX ON BASE LEG AND DID NOT 'LEAD' TURN FOR THE RWY 24R LOC INTERCEPT. 3) FAILURE OF LAX APCH TO CAUTION THAT SIMULTANEOUS APCHS WERE IN PROGRESS (RWY 24R AND RWY 25L). 4) DISTR OF TCASII RA (ALTHOUGH IT MAY HAVE SAVED US FROM A MIDAIR!) AND FAILURE TO XCHK THE LOC INDICATIONS AGAINST THE RWY N WHICH I WAS LINED UP.

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.