Most ships they decided to change their route and not cross it Red Sea due to the increased attacks of Houthihowever some continue to pass through and use trickery to avoid attacks.
In accordance with news.sky.commessages are written in place of where the ship would normally report its destination, making the messages visible on marine monitoring websites such as Marine Traffic.
So, instead of the final port, the ships display notes that say they have an exclusively Chinese crew or, in several cases, advertise the presence of armed forces.
For this purpose disable the system AIS which broadcasts the position of a ship so that others know its position.
“Armed guards on board” the “nothing to do with israel” are some of the messages, while others include phrases such as that the crew is chinese. Sometimes they succeed and the attacks are prevented, and sometimes they don't.
Source: News Beast

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