SHIKOKU, S COAST. S OF MUROTO SAKI TO
KYUSHU, E COAST. E OF TOI MISAKI.
SURVEY WORKS BY M/V TANSA, 13782 TONS,
TOWING TEN CABLES, EACH ABOUT 7500
METRE LONG, ABOUT 900 METRES IN WIDTH.
131500Z FEB TO 131500Z APR.
AREA BOUNDED BY 32-00.00N 131-39.00E
32-00.00N 135-00.00E 30-00.00N 135-00.00E
30-00.00N 132-00.00E 31-03.00N 131-18.00E.
CANCEL THIS MSG 131600Z APR.