WESTERN SOUTH ATLANTIC.
BRAZIL.
DNC 01.
1. SURVEY OPERATIONS IN PROGRESS UNTIL 19 FEB 26
BY M/V SW DUCHESS IN AREA BOUND BY
20-58.07S 039-26.88W, 21-34.68S 039-27.00W,
21-34.47S 040-09.35W, 21-19.83S 040-15.02W,
21-10.98S 040-14.92W, 20-57.87S 040-08.27W.
WIDE BERTH REQUESTED.
2. CANCEL HYDROLANT 992/25.
3. CANCEL THIS MSG 200001Z FEB 26.