Surveys

Underwater operations 14 thru 21 jun by M/V natsushima with submersible in area bound by 19-00N 145-55E,…

Western North Pacific · Mariana Islands · HYDROPAC 1662/13

issued: 2013-06-09 12:04Z
status: cancelled 2013-06-09 00:01Z (archive)
authority: NAVAREA XI 427/13 091133Z JUN 13.
sea: Philippine Sea
position: 17.559, 145.648
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN NORTH PACIFIC.
MARIANA ISLANDS.
1. UNDERWATER OPERATIONS 14 THRU 21 JUN
   BY M/V NATSUSHIMA WITH SUBMERSIBLE
   IN AREA BOUND BY
   19-00N 145-55E, 18-30N 145-20E,
   16-10N 145-20E, 16-40N 146-00E.
2. CANCEL THIS MSG 22 JUN 13.

This area · survey operations

3 within 180 nm since 2005 · 0 in the last 12 months · 0 in force now

Season · when survey operations happen here

month of issue, all years in the archive

Timeline

Underwater operations 14 thru 21 jun by M/V natsushima with submersible in areas between: a. 18-30N 19-00N…cancelled by · 2013-06-09

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

86 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.