A319
Flight Crew Instrument; Flight Crew Multiengine; Flight Crew Air Transport Pilot (ATP)
Flight Crew Last 90 Days 190; Flight Crew Total 5400
Situational Awareness
Conflict NMAC; Deviation - Altitude Excursion From Assigned Altitude; Deviation / Discrepancy - Procedural Published Material / Policy; Deviation / Discrepancy - Procedural Clearance
Flight Crew Took Evasive Action; Flight Crew Executed Go Around / Missed Approach
Procedure; Airspace Structure; Aircraft; Human Factors; Environment - Non Weather Related
Monitor Vertical Speed on TCAS on base leg prior to turn on final. Traffic was at 500 ft below our altitude at all times and procedure was done accordingly to SOP's. A go around was performed after leveling off at 2;500 ft since continue to land with an stabilized approach was not possible.
Pilot reported a NMAC while on base leg.