Surveys

Underwater operations 28 aug thru 30 sep by M/V koyo maru in area between 19-00N 24-30N and 152-30E 161-00E

Western North Pacific · HYDROPAC 2790/19

issued: 2019-08-27 14:26Z
status: cancelled 2019-10-01 00:01Z (archive)
self-cancels: 2019-10-01 00:01Z
authority: NAVAREA XI 480/19 271142Z AUG 19.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN NORTH PACIFIC.
DNC 12.
1. UNDERWATER OPERATIONS 28 AUG THRU 30 SEP BY
   M/V KOYO MARU IN AREA BETWEEN
   19-00N 24-30N AND 152-30E 161-00E.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 010001Z OCT 19.

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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.