Surveys

Underwater operations 14 thru 17 jul M/V yokosuka with submersible in area between 11-30N 17-00N and 140-00E…

Western North Pacific · Mariana Islands · HYDROPAC 1942/12

issued
2012-07-09 13:05Z
status
cancelled 2012-07-18 00:01Z (archive)
authority
NAVAREA XI 451/12 091240Z JUL 12.
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN NORTH PACIFIC.
MARIANA ISLANDS.
1. UNDERWATER OPERATIONS 14 THRU 17 JUL
   M/V YOKOSUKA WITH SUBMERSIBLE IN AREA BETWEEN
   11-30N 17-00N AND 140-00E 143-30E.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 18 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.