Close proximity air carrier medium large transport straight into runway 24R at lax and air carrier medium large transport circling visual from the north to runway 24L.

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Attributes
ACN	158555
Time
Date	199009
Day	Tue
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : lax
State Reference	CA
Altitude	msl bound lower : 2500 msl bound upper : 3000
Environment
Flight Conditions	Marginal
Light	Daylight
Aircraft 1
Controlling Facilities	tower : lax
Operator	common carrier : air carrier
Make Model Name	Medium Large Transport
Flight Phase	descent other landing other
Route In Use	approach : straight in enroute : on vectors
Flight Plan	IFR
Aircraft 2
Operator	common carrier : air carrier
Make Model Name	Medium Large Transport, Low Wing, 2 Turbojet Eng
Flight Phase	descent other other
Route In Use	approach : visual
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp pilot : flight engineer
Experience	flight time last 90 days : 185 flight time total : 9000 flight time type : 2000
ASRS Report	158555
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : atp
Events
Anomaly	conflict : nmac non adherence : far non adherence : clearance non adherence : published procedure other spatial deviation
Independent Detector	other flight crewa
Resolutory Action	flight crew : took evasive action
Consequence	Other
Miss Distance	horizontal : 0 vertical : 500
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

We had been vectored to intercept and subsequently cleared for the lax 24R ILS at 2500' MSL. Established on the localizer approximately 12 DME we switched to the tower. About the same time the first officer (PNF) said he had traffic at our 2 to 3 O'clock in a turn towards us and would keep an eye on him. We queried the tower. He sated that an air carrier Z was behind us in sight and would remain behind us for a visibility approach to runway 24L. We replied that the aircraft was in front of us at our 1 O'clock and closing. By that time I was climbing and went to 3000' MSL. He went directly under us on an approximately heading of 210-220 degrees headed for the runway 24L which was not visible due to haze. I believe the air carrier Z flight later went around but I'm not sure. This near miss could have been prevented by air carrier Z taking an ILS versus a visibility approach due to the hazy visibility. I believe he mis-idented our aircraft with an aircraft landing on the 25 complex and did not see us.

Original NASA ASRS Text

Title: CLOSE PROX ACR MLG STRAIGHT INTO RWY 24R AT LAX AND ACR MLG CIRCLING VISUAL FROM THE NORTH TO RWY 24L.

Narrative: WE HAD BEEN VECTORED TO INTERCEPT AND SUBSEQUENTLY CLRED FOR THE LAX 24R ILS AT 2500' MSL. ESTABLISHED ON THE LOC APPROX 12 DME WE SWITCHED TO THE TWR. ABOUT THE SAME TIME THE F/O (PNF) SAID HE HAD TFC AT OUR 2 TO 3 O'CLOCK IN A TURN TOWARDS US AND WOULD KEEP AN EYE ON HIM. WE QUERIED THE TWR. HE SATED THAT AN ACR Z WAS BEHIND US IN SIGHT AND WOULD REMAIN BEHIND US FOR A VIS APCH TO RWY 24L. WE REPLIED THAT THE ACFT WAS IN FRONT OF US AT OUR 1 O'CLOCK AND CLOSING. BY THAT TIME I WAS CLBING AND WENT TO 3000' MSL. HE WENT DIRECTLY UNDER US ON AN APPROX HDG OF 210-220 DEGS HEADED FOR THE RWY 24L WHICH WAS NOT VISIBLE DUE TO HAZE. I BELIEVE THE ACR Z FLT LATER WENT AROUND BUT I'M NOT SURE. THIS NEAR MISS COULD HAVE BEEN PREVENTED BY ACR Z TAKING AN ILS VERSUS A VIS APCH DUE TO THE HAZY VISIBILITY. I BELIEVE HE MIS-IDENTED OUR ACFT WITH AN ACFT LNDG ON THE 25 COMPLEX AND DID NOT SEE US.

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.