Surveys

Underwater operations 18 thru 30 sep by M/V yokosuka with submersible in area between 11-00N 14-00N and…

North Pacific · Marianas · HYDROPAC 1881/10

issued
2010-09-15 12:18Z
status
cancelled 2010-10-01 00:01Z (archive)
authority
NAVAREA XI 151134Z SEP 10.
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

NORTH PACIFIC.
MARIANAS.
1. UNDERWATER OPERATIONS 18 THRU 30 SEP BY
   M/V YOKOSUKA WITH SUBMERSIBLE IN AREA BETWEEN
   11-00N 14-00N AND 142-00E 147-00E.
2. CANCEL THIS MSG 01 OCT.

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.