Surveys

Underwater operations 22 thru 28 jul by M/V yokosuka with submersible in area between 18-30N 27-00N and…

Western North Pacific · Philippine Sea · HYDROPAC 2351/15

issued: 2015-07-17 13:26Z
status: cancelled 2015-07-29 00:01Z (archive)
authority: NAVAREA XI 523/15 171123Z JUL 15.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN NORTH PACIFIC.
PHILIPPINE SEA.
DNC 12, DNC 23.
1. UNDERWATER OPERATIONS 22 THRU 28 JUL
   BY M/V YOKOSUKA WITH SUBMERSIBLE
   IN AREA BETWEEN
   18-30N 27-00N AND 134-00E 137-30E.
2. CANCEL THIS MSG 29 JUL 15.

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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.