SH1/22 CHANG JIANG KOU CHINA，SUBMARINE CABLE REPAIRING WORK IN AREA BOUNDED BY THE LINES JOINING 30-52.4797N 122-18.4697E，30-52.8263N 122-31.5701E，30-52.2509N 122-31.6103E，AND 30-51.9069N 122-18.5029E，FROM 06 1600UTC JAN. TO 07 1600UTC FEB. WIDE BERTH REQUESTED. SHANGHAI MSA CHINA