I agree, this looks like a failure of the bridge crew. Any modern radar can be configured to show CPA based on AIS and on the radar tracks. They can also be co

I agree, this looks like a failure of the bridge crew. Any modern radar can be configured to show CPA based on AIS and on the radar tracks. They can also be configured with an audible/visual alert. The radar was either ignored or misconfigured, both of which are bridge crew problems.