Surveys

Underwater operations 11 thru 13 oct by M/V yokosuka with submersible in areas between: a. 28-30N 30-00N and…

Western North Pacific · Japan · Nampo Shoto · HYDROPAC 2065/10

issued: 2010-10-06 08:24Z
status: cancelled 2010-10-14 00:01Z (archive)
cancels: HYDROPAC 2025/10
authority: NAVAREA XI 750/10 060752Z OCT 10.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN NORTH PACIFIC.
JAPAN.
NAMPO SHOTO.
1. UNDERWATER OPERATIONS 11 THRU 13 OCT
   BY M/V YOKOSUKA WITH SUBMERSIBLE
   IN AREAS BETWEEN:
   A. 28-30N 30-00N AND 140-00E 141-30E.
   B. 31-00N 31-50N AND 138-00E 138-40E.
   C. 26-00N 28-30N AND 138-30E 140-00E.
2. CANCEL HYDROPAC 2025/10.
3. CANCEL THIS MSG 14 OCT.

Timeline

Underwater operations 04 thru 06 oct by M/V yokosuka with submersible within two miles of: a. 12-56.3N…cancels · 2010-10-01
Underwater operations 04 thru 06 oct by M/V yokosuka with submersible within two miles of: a. 12-56.3N…replaced · 2010-10-01

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

75 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.