Surveys

Underwater operations 22 thru 31 aug by M/V yokosuka with submersible within two miles of: a. 12-56.3N…

North Pacific · HYDROPAC 1667/10

issued
2010-08-17 08:14Z
status
cancelled 2010-09-01 00:01Z (archive)
authority
NAVAREA XI 607/10 170739Z AUG 10.
sea
Philippine Sea
position
12.937, 143.633
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

NORTH PACIFIC.
1. UNDERWATER OPERATIONS 22 THRU 31 AUG BY
   M/V YOKOSUKA WITH SUBMERSIBLE
   WITHIN TWO MILES OF:
   A. 12-56.3N 143-37.9E.
   B. 12-57.2N 143-37.2E.
   C. 12-55.1N 143-38.9E.
2. CANCEL THIS MSG 01 SEP.

This area · survey operations

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

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23

Season · when survey operations happen here

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month of issue, all years in the archive

Nearby now · within 120 nm

Worldwide now

83 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.