Surveys

Underwater operations 29 and 30 jun by M/V natsushima with submersible in areas between: a. 26-25N 26-40N…

Western North Pacific · Japan · Nampo Shoto · HYDROPAC 1779/12

issued: 2012-06-24 12:43Z
status: cancelled 2012-07-01 00:01Z (archive)
authority: NAVAREA XI 411/12 241226Z JUN 12.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN NORTH PACIFIC.
JAPAN.
NAMPO SHOTO.
1. UNDERWATER OPERATIONS 29 AND 30 JUN BY
   M/V NATSUSHIMA WITH SUBMERSIBLE IN AREAS BETWEEN:
   A. 26-25N 26-40N AND 142-25E 142-40E.
   B. 26-50N 27-05N AND 142-20E 142-35E.
   C. 27-05N 27-15N AND 142-20E 142-30E.
2. CANCEL THIS MSG 01 JUL.

Nearby now · within 120 nm

Nothing else in force within 120 nm.

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.