Given that the fishing season in the Ningbo-Zhoushan Port area will start soon, the Liberian Registry issued guidance of shipping stakeholders to assist Liberian flagged vessels and provide additional information to assist Master’s in safely navigating highly congested waters off Ningbo-Zhoushan in the East China Sea.
First of all, it is advised that vessels should as far as possible alter the ship’s course to avoid and maintain safe distance from areas with heavy concentration of fishing...
https://safety4sea.com/precautions-for-vessels-sailing-and-around-ningbo-zhoushan-china/