Sfo local controller described go around event during simultaneous visual approach procedures; an ai...

Narrative:

Air carrier X on final runway 28L mentioned the close proximity of air carrier Y joining final runway 28R.when I focused on the two aircraft; it appeared that air carrier Y was converging on the maneuver to join final. This is very usual and expected during the operation. I explained the runway close proximity; and requested the pilot intentions. With nothing further said; I continued with other traffic. I next observed air carrier X going around. Both aircraft called the flm and discussed the event. Recommendation; I would recommend specific training for aircrews flying into airports dealing with TCAS RA's and closely spaced finals and departures. There has to be a way to convey this useful information so that less people are caught off guard.

Original NASA ASRS Text

Title: SFO local controller described go around event during simultaneous visual approach procedures; an aircraft assigned Runway 28L electing to go around because of the perceived lateral separation from Runway 28R traffic.

Narrative: Air Carrier X on final Runway 28L mentioned the close proximity of Air Carrier Y joining final Runway 28R.When I focused on the two aircraft; it appeared that Air Carrier Y was converging on the maneuver to join final. This is very usual and expected during the operation. I explained the runway close proximity; and requested the pilot intentions. With nothing further said; I continued with other traffic. I next observed Air Carrier X going around. Both aircraft called the FLM and discussed the event. Recommendation; I would recommend specific training for aircrews flying into airports dealing with TCAS RA's and closely spaced finals and departures. There has to be a way to convey this useful information so that less people are caught off guard.

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.

Attributes
ACN	862120
Time
Date	200911
Local Time Of Day	1801-2400
Place
Locale Reference	SFO.Tower
State Reference	CA
Aircraft 1
Make Model Name	A320
Flight Plan	IFR
Person 1
Function	Local
Qualification	Air Traffic Control Fully Certified
Person 2
Function	Supervisor / CIC
Events
Anomaly	ATC Issue All Types Conflict Airborne Conflict Deviation - Procedural Published Material / Policy

Sfo local controller described go around event during simultaneous visual approach procedures; an aircraft assigned runway 28L electing to go around because of the perceived lateral separation from runway 28R traffic.