<< >> NASA ASRS Report 920325, November 2010

Sct failed to notify a heavy jet on lax runway 25R final that another aircraft was on runway 25L final. Subsequently the heavy jet captain took evasive action from the unseen traffic because a TCAS RA indicated a near midair collision.

Attributes
ACN	920325
Time
Date	201011
Local Time Of Day	0601-1200
Place
Locale Reference	LAX.Airport
State Reference	CA
Environment
Flight Conditions	VMC
Light	Night
Aircraft 1
Make Model Name	Large Transport Low Wing 2 Turbojet Eng
Operating Under FAR Part	Part 121
Flight Phase	Final Approach
Route In Use	Visual Approach
Flight Plan	IFR
Person 1
Function	Approach
Qualification	Air Traffic Control Fully Certified
Person 2
Function	First Officer Pilot Not Flying
Events
Anomaly	ATC Issue All Types Conflict NMAC Deviation - Procedural Published Material / Policy Deviation - Speed All Types
Miss Distance	Horizontal 0 Vertical 300

Narrative:

A heavy was on straight-in visual approach to runway 25R at lax. A light twin was five miles south of final and paralleling. The light twin reported traffic in sight and was instructed to follow the heavy and cleared for a visual approach to runway 25L. Aircraft were subsequently side-by-side 18 miles out from the airport. We failed to give the heavy traffic information.

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Original NASA ASRS Text

Title: SCT failed to notify a heavy jet on LAX Runway 25R final that another aircraft was on Runway 25L final. Subsequently the heavy jet Captain took evasive action from the unseen traffic because a TCAS RA indicated a NMAC.

Narrative: A Heavy was on straight-in visual approach to Runway 25R at LAX. A light twin was five miles south of final and paralleling. The light twin reported traffic in sight and was instructed to follow the heavy and cleared for a visual approach to Runway 25L. Aircraft were subsequently side-by-side 18 miles out from the airport. We failed to give the heavy traffic information.

Data retrieved from NASA's ASRS site as of April 2012 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.