SH0029 EAST CHINA SEA SUBMARINE CABLE REPAIRING WORK IN AREA BOUNDED BY THE LINES JOINING
31-46.8N 122-10.3E
31-49.1N 122-16.1E
31-48.9N 122-42.0E
31-48.6N 122-42.1E
31-48.5N 122-16.3E
31-46.4N 122-10.7E
FROM 16 1600UTC MAR TO 11 1600UTC APR,ADVISED TO AVOID. SHANGHAI MSA,CHINA