Surveys

Underwater operations 04 jul by M/V natsushima with submersible in area between 25-10N 25-25N and 143-45E…

Western North Pacific · Japan · Nampo Shoto · HYDROPAC 1880/11

issued
2011-06-29 07:55Z
status
cancelled 2011-07-05 00:00Z (archive)
authority
NAVAREA XI 449/11 290737Z JUN 11.
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN NORTH PACIFIC.
JAPAN.
NAMPO SHOTO.
1. UNDERWATER OPERATIONS 04 JUL BY
   M/V NATSUSHIMA WITH SUBMERSIBLE
   IN AREA BETWEEN
   25-10N 25-25N AND 143-45E 144-00E.
2. CANCEL THIS MSG 05 JUL.

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

84 survey operations in force · see all

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.