Surveys

Underwater operations 01 thru 16 oct by M/V yokosuka with submersible shinkai 500 in areas bound by: a.…

Western North Pacific · Philippine Sea · Japan · HYDROPAC 2769/21

issued
2021-09-30 18:28Z
status
cancelled 2021-10-17 00:01Z (archive)
authority
NAVAREA XI 296/21 301140Z SEP 21.
position
29.238, 143.773
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN NORTH PACIFIC.
PHILIPPINE SEA.
JAPAN.
DNC 12.
1. UNDERWATER OPERATIONS 01 THRU 16 OCT BY
   M/V YOKOSUKA WITH SUBMERSIBLE SHINKAI 500
   IN AREAS BOUND BY:
   A. 27-30.0N 142-30.0E, 29-00.0N 142-30.0E,
      29-00.0N 144-30.0E, 27-30.0N 144-30.0E.
   B. 23-03.0N 142-17.0E, 23-08.0N 142-17.0E,
      23-08.0N 142-23.0E, 23-03.0N 142-23.0E.
   C. 26-41.0N 141-04.0E, 26-43.0N 141-04.0E,
      26-43.0N 141-06.0E, 26-41.0N 141-06.0E.
   D. 27-30.0N 142-30.0E, 29-00.0N 142-30.0E,
      29-00.0N 144-30.0E, 27-30.0N 144-30.0E.
   E. 29-00.0N 143-00.0E, 31-00.0N 143-00.0E,
      31-00.0N 145-00.0E, 29-00.0N 145-00.0E.
   F. 28-17.0N 140-31.0E, 28-22.0N 140-31.0E,
      28-22.0N 140-38.0E, 28-17.0N 140-38.0E.
   G. 28-33.5N 140-38.0E, 28-35.0N 140-38.0E,
      28-35.0N 140-39.0E, 28-33.5N 140-39.0E.
   H. 27-38.0N 140-43.0E, 27-43.0N 140-43.0E,
      27-43.0N 140-53.0E, 27-38.0N 140-53.0E.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 17 OCT 21.

This area · survey operations

31 within 180 nm since 2000 · 0 in the last 12 months · 0 in force now

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Season · when survey operations happen here

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Nearby now · within 120 nm

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Worldwide now

73 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.