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.