Medium large transport on approach receives TCASII TA then RA. Responds and overshoots localizer.

Attributes
ACN	244579
Time
Date	199306
Day	Mon
Local Time Of Day	1801 To 2400
Place
Locale Reference	airport : lax
State Reference	CA
Altitude	msl bound lower : 2500 msl bound upper : 3000
Environment
Flight Conditions	Mixed
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : lax
Operator	common carrier : air carrier
Make Model Name	Medium Large Transport, Low Wing, 2 Turbojet Eng
Navigation In Use	Other Other
Flight Phase	descent : approach
Route In Use	approach : visual
Flight Plan	IFR
Aircraft 2
Operator	common carrier : air carrier
Make Model Name	Any Unknown or Unlisted Aircraft Manufacturer
Flight Phase	descent : approach
Route In Use	approach : straight in
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : instrument pilot : flight engineer pilot : commercial pilot : atp
Experience	flight time last 90 days : 210 flight time total : 14000 flight time type : 3000
ASRS Report	244579
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : atp pilot : instrument pilot : commercial
Events
Anomaly	non adherence : clearance other anomaly other other spatial deviation
Independent Detector	aircraft equipment other aircraft equipment : unspecified other flight crewa
Resolutory Action	flight crew : took evasive action flight crew : returned to intended course or assigned course
Consequence	faa : reviewed incident with flight crew
Miss Distance	horizontal : 3000 vertical : 500
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

Making approach to runway 24R lax, approach control issued turn to 160 degrees and descent to 2500 ft, 180 KIAS. We were established on base leg and cleared for a visual approach to runway 24R. When approaching interception of final approach at approximately 7 mi and 3000 ft, we received a TA on TCASII. We looked for traffic and leveled aircraft. Then RA indicated target at 10 O'clock 400 ft below us. Attention diverted to TCASII screen, then outside. Both pilots looking for aircraft and I overshot final approach (localizer) making situation worse. RA indicated 'monitor descent.' I turned to reintercept final. Traffic located visually at 9 O'clock on final for runway 25L. Continued approach for normal landing. ATIS was giving 15 ft visibility, but into sun visibility was less. Reintercepting final provided separation to receive a TCASII 'clear of conflict.' I called approach supervisor and discussed situation. He indicated that there was adequate separation and he did not view it as a problem.

Original NASA ASRS Text

Title: MLG ON APCH RECEIVES TCASII TA THEN RA. RESPONDS AND OVERSHOOTS LOC.

Narrative: MAKING APCH TO RWY 24R LAX, APCH CTL ISSUED TURN TO 160 DEGS AND DSCNT TO 2500 FT, 180 KIAS. WE WERE ESTABLISHED ON BASE LEG AND CLRED FOR A VISUAL APCH TO RWY 24R. WHEN APCHING INTERCEPTION OF FINAL APCH AT APPROX 7 MI AND 3000 FT, WE RECEIVED A TA ON TCASII. WE LOOKED FOR TFC AND LEVELED ACFT. THEN RA INDICATED TARGET AT 10 O'CLOCK 400 FT BELOW US. ATTN DIVERTED TO TCASII SCREEN, THEN OUTSIDE. BOTH PLTS LOOKING FOR ACFT AND I OVERSHOT FINAL APCH (LOC) MAKING SIT WORSE. RA INDICATED 'MONITOR DSCNT.' I TURNED TO REINTERCEPT FINAL. TFC LOCATED VISUALLY AT 9 O'CLOCK ON FINAL FOR RWY 25L. CONTINUED APCH FOR NORMAL LNDG. ATIS WAS GIVING 15 FT VISIBILITY, BUT INTO SUN VISIBILITY WAS LESS. REINTERCEPTING FINAL PROVIDED SEPARATION TO RECEIVE A TCASII 'CLR OF CONFLICT.' I CALLED APCH SUPVR AND DISCUSSED SIT. HE INDICATED THAT THERE WAS ADEQUATE SEPARATION AND HE DID NOT VIEW IT AS A PROB.

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.