this post was submitted on 22 Aug 2023
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No mention of the TCAS? Education time.
The ICAO requires all passenger aircraft to be equipped with TCAS - Traffic Collision Avoidance System. It is a last line of defense to avoid collision. When two TCAS-equipped airplanes are on a collision course, the TCAS modules will contact each other and negotiate, then issue corrective actions to their respective pilots - one to ascend, and the other to descend. Responding to a TCAS command is mandatory and overrules ATC instructions.
TCAS is the last resort. If that’s being activated, it means Air Traffic Control screwed up. The NYT reporting talked about how ATC is making more and more mistakes due to staffing issues.