Surveys

Underwater operations 12 thru 28 may by submersible shinkai 6500 and M/V yokosuka in areas bound by: a.…

Western North Pacific · Philippine Sea · HYDROPAC 1401/21

issued
2021-05-11 11:46Z
status
cancelled 2021-05-29 00:01Z (archive)
authority
NAVAREA XI 160/21 111137Z MAY 21.
position
28.235, 143.486
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN NORTH PACIFIC.
PHILIPPINE SEA.
DNC 12.
1. UNDERWATER OPERATIONS 12 THRU 28 MAY
   BY SUBMERSIBLE SHINKAI 6500 AND M/V YOKOSUKA
   IN AREAS BOUND BY:
   A. 23-03N 142-17E, 23-08N 142-17E,
      23-08N 142-23E, 23-03N 142-23E.
   B. 26-41N 141-04E, 26-43N 141-04E,
      26-43N 141-06E, 26-41N 141-06E.
   C. 28-17N 140-31E, 28-22N 140-31E,
      28-22N 140-38E, 28-17N 140-38E.
   D. 27-30N 142-30E, 29-00N 142-30E,
      29-00N 144-30E, 27-30N 144-30E.
   WIDE BERTH REQUESTED
2. CANCEL THIS MSG 29 MAY 21.

This area · survey operations

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

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05
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24

Season · when survey operations happen here

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M
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month of issue, all years in the archive

Nearby now · within 120 nm

Worldwide now

75 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.