Surveys

Underwater operations 05 thru 14 sep by M/V yokosuka with submersible in areas between: a. 12-56.3N 12-57.6N…

North Pacific · HYDROPAC 1759/10

issued: 2010-08-31 08:04Z
status: cancelled 2010-09-15 00:01Z (archive)
authority: NAVAREA XI 647/10 310739Z AUG 10.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

NORTH PACIFIC.
1. UNDERWATER OPERATIONS 05 THRU 14 SEP BY
   M/V YOKOSUKA WITH SUBMERSIBLE
   IN AREAS BETWEEN:
   A. 12-56.3N 12-57.6N AND 143-36.3E 143-37.6E
   B. 12-55.5N 12-56.8N AND 143-37.3E 143-38.6E
   C. 12-54.4N 12-55.7N AND 143-37.9E 143-39.6E.
2. CANCEL THIS MSG 15 SEP.

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.