Surveys

Underwater operations 28 jun thru 01 jul by M/V natsushima with submersible in areas between: a. 25-26N…

Western North Pacific · HYDROPAC 1825/13

issued: 2013-06-23 11:45Z
status: cancelled 2013-07-02 00:01Z (archive)
authority: NAVAREA XI 456/13 231135Z JUN 13.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN NORTH PACIFIC.
1. UNDERWATER OPERATIONS 28 JUN THRU 01 JUL
   BY M/V NATSUSHIMA WITH SUBMERSIBLE
   IN AREAS BETWEEN:
   A. 25-26N 25-42N AND 135-31E 135-39E.
   B. 22-40N 23-40N AND 152-45E 153-45E.
2. CANCEL THIS MSG 02 JUL 13.

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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.