Surveys

Underwater operations 19 thru 31 nov by M/V yokosuka with submersible: a. in area between 22-40N 23-35N and…

Western North Pacific · Philippine Sea · HYDROPAC 3941/17

issued: 2017-11-14 12:51Z
status: cancelled 2017-12-01 00:01Z (archive)
authority: NAVAREA XI 741/17 141210Z NOV 17.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN NORTH PACIFIC.
PHILIPPINE SEA.
DNC 12.
1. UNDERWATER OPERATIONS 19 THRU 31 NOV
   BY M/V YOKOSUKA WITH SUBMERSIBLE:
   A. IN AREA BETWEEN
      22-40N 23-35N AND 152-45E 153-50E.
   B. ALTERNATE IN AREA BETWEEN
      24-00N 27-00N AND 143-00E 149-00E.
   C. ALTERNATE IN AREA BETWEEN
      24-00N 28-00N AND 134-00E 138-00E.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 01 DEC 17.

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Not for navigation. This is a re-rendering of an official navigational warning for awareness; mariners must use official NAVAREA broadcasts and their national MSI service.