According to the China Maritime Administration website, the Qingdao Maritime Administration issued a navigation warning. From 0:00 a.m. on October 21 to 0:00 p.m. on October 23, from 8:00 a.m. on October 22 to 8:00 p.m. on October 24, and from 0:00 a.m. on October 24 to 18:00 on October 24, military activities were carried out in parts of the Yellow Sea, and entry was prohibited.

According to the China Maritime Administration website, the Qingdao Maritime Administration issued a navigation warning. From 0:00 a.m. on October 21 to 0:00 p.m. on October 23, from 8:00 a.m. on October 22 to 8:00 p.m. on October 24, and from 0:00 a.m. on October 24 to 18:00 on October 24, military activities were carried out in parts of the Yellow Sea, and entry was prohibited.