Narrative:

While receiving vectors for the ILS 24R into lax; I was the pilot monitoring and the other pilot was the pilot flying. We were instructed to descend to 2;600 ft and compiled. We were level at this altitude for approximately one minute before approach gave us a traffic advisory at 11 o'clock and 300 ft below; 3 miles ahead. The aircraft in question was operating VFR; was 'on station' for police activity near the city hall above the overcast layer. They had announced their intention to 'cancel the mission' as the weather was impeding their ability to see the ground. We made visual contact with the traffic within 10 seconds and then our flight deck automation provided us with a TA; followed shortly by an RA. The PF used the conflict solution feature to comply appropriately with the RA by climbing until the resolution was complete; at approximately 2;900 ft. I notified ATC that we had the traffic in sight; and that we had an RA that we complied with. I then notified ATC that the resolution was over; and we returned to 2;600. Then ATC turned us on the base leg; and the flight resumed normal operations. The VFR aircraft could have increased their 'see and avoid' awareness. They were notified before we were and did not report us in sight. ATC could have given them a suggested heading until traffic was not a factor.

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Original NASA ASRS Text

Title: EMB-175 flight crew reported an excursion from assigned altitude after receiving an RA on approach into LAX.

Narrative: While receiving vectors for the ILS 24R into LAX; I was the pilot monitoring and the other pilot was the pilot flying. We were instructed to descend to 2;600 ft and compiled. We were level at this altitude for approximately one minute before approach gave us a traffic advisory at 11 o'clock and 300 ft below; 3 miles ahead. The aircraft in question was operating VFR; was 'on station' for police activity near the city hall above the overcast layer. They had announced their intention to 'cancel the mission' as the weather was impeding their ability to see the ground. We made visual contact with the traffic within 10 seconds and then our flight deck automation provided us with a TA; followed shortly by an RA. The PF used the conflict solution feature to comply appropriately with the RA by climbing until the resolution was complete; at approximately 2;900 ft. I notified ATC that we had the traffic in sight; and that we had an RA that we complied with. I then notified ATC that the resolution was over; and we returned to 2;600. Then ATC turned us on the base leg; and the flight resumed normal operations. The VFR aircraft could have increased their 'see and avoid' awareness. They were notified before we were and did not report us in sight. ATC could have given them a suggested heading until traffic was not a factor.

Data retrieved from NASA's ASRS site 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.