SOUTH CHINA SEA.
VIETNAM.
DNC 11.
F/V BTH 84732 TS, 11 PERSONS ON BOARD, SANK.
ONE PERSON REMAINS MISSING. SEARCH AND
RESCUE OPERATIONS IN PROGRESS IN VICINITY
10-59.83N 108-33.51E AT 180500Z DEC.
VESSELS IN VICINITY REQUESTED TO KEEP A SHARP
LOOKOUT, ASSIST IF POSSIBLE.
REPORTS TO MRCC VIETNAM.