Surveys

Underwater operations 26 apr thru 09 may by M/V natsushima with submersible in areas between: a. 27-30N…

HYDROPAC 727/07

issued: 2007-04-21 10:11Z
status: cancelled 2007-05-10 00:00Z (archive)
authority: NAVAREA XI 161/07 210805Z APR 07.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. UNDERWATER OPERATIONS 26 APR THRU 09 MAY
   BY M/V NATSUSHIMA WITH SUBMERSIBLE IN
   AREAS BETWEEN:
   A. 27-30N 28-50N AND 140-00E 141-00E.
   B. 33-15N 33-30N AND 139-25E 139-50E.
2. CANCEL THIS MSG 10 MAY.

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.