Surveys

Underwater operations 05 thru 13 jul by M/V yokosuka with submersible in areas between: a. 11-30N 12-30N and…

Western North Pacific · HYDROPAC 2221/15

issued: 2015-07-04 00:47Z
status: cancelled 2015-07-14 00:01Z (archive)
authority: NAVAREA XI 498/15 040004Z JUL 15.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN NORTH PACIFIC.
DNC 12.
1. UNDERWATER OPERATIONS 05 THRU 13 JUL
   BY M/V YOKOSUKA WITH SUBMERSIBLE
   IN AREAS BETWEEN:
   A. 11-30N 12-30N AND 142-00E 144-00E.
   B. 12-00N 13-00N AND 141-00E 142-30E.
   C. 10-45N 11-30N AND 139-00E 141-30E.
2. CANCEL THIS MSG 14 JUL 15.

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Worldwide now

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Surveys

Hydrographic and scientific survey vessels, often towing long arrays. All current survey operations →

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.