Surveys

Underwater operations 20 thru 23 dec by M/V kaiyo with submersible in areas between: a. 22-30N 24-00N and…

Western North Pacific · HYDROPAC 3580/12

issued: 2012-12-15 14:20Z
status: cancelled 2012-12-24 00:01Z (archive)
authority: NAVAREA XI 844/12 151143Z DEC 12.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN NORTH PACIFIC.
1. UNDERWATER OPERATIONS 20 THRU 23 DEC BY M/V KAIYO
   WITH SUBMERSIBLE IN AREAS BETWEEN:
   A. 22-30N 24-00N AND 152-30E 154-00E.
   B. 25-00N 27-30N AND 143-00E 148-30E.
   C. 32-30N 35-00N AND 143-00E 145-00E.
2. CANCEL THIS MSG 24 DEC.

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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.