![dredger-cai-jun-3-sinks-march-12-2017](https://www.vesperguardian.com/wp-content/uploads/2018/02/dredger-cai-jun-3-sinks-march-12-2017.jpg)
Dredger Cai Jun 3 sinks March 12, 2017
Mar 2017: The dredger Cai Jun 3 sank outside the inbound traffic lane and the wreck posed a significant hazard to shipping in the 2nd busiest port in the world. Read how Vesper Guardian helped to alert vessels of the navigation hazard.
![AIS KEEPS TRAFFIC AWAY FROM DANGEROUS WRECK](https://www.vesperguardian.com/wp-content/uploads/2018/02/AIS-KEEPS-TRAFFIC-AWAY-FROM-DANGEROUS-WRECK.jpg)