Surveys

Underwater operations 19 thru 28 apr by M/V yokosuka: a. in area between 22-50N 25-30N and 153-30E 157-30E

Western North Pacific · HYDROPAC 1329/19

issued
2019-04-19 13:31Z
status
cancelled 2019-04-29 00:01Z (archive)
authority
NAVAREA XI 227/19 181148Z APR 19.
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN NORTH PACIFIC.
DNC 12.
1. UNDERWATER OPERATIONS 19 THRU 28 APR
   BY M/V YOKOSUKA:
   A. IN AREA BETWEEN
      22-50N 25-30N AND 153-30E 157-30E.
   B. ALTERNATE IN AREA BETWEEN
      37-20N 38-10N AND 144-20E 145-50E.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 29 APR 19.

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.