Surveys

Underwater operations 25 thru 31 jul by vessel mirai along trackline joining 45-00N 158-00E, 47-00N 160-00E,…

Western North Pacific · HYDROPAC 2654/18

issued: 2018-07-21 10:57Z
status: cancelled 2018-08-01 00:01Z (archive)
authority: NAVAREA XIII 59/18 210905Z JUL 18.
sea: North Pacific Ocean
position: 46.000, 159.316
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN NORTH PACIFIC.
DNC 24.
1. UNDERWATER OPERATIONS 25 THRU 31 JUL
   BY VESSEL MIRAI ALONG TRACKLINE JOINING
   45-00N 158-00E, 47-00N 160-00E,
   45-00N 159-30E.
   WIDE BERTH REQUESTED.
2. CANCEL THIS MSG 01 AUG 18.

This area · survey operations

2 within 180 nm since 2018 · 0 in the last 12 months · 0 in force now

Survey operations 29 sep thru 02 oct by M/V mirai along trackline joining 45-00N 160-00E, 46-00N 160-00E,…2020-09-26

Season · when survey operations happen here

month of issue, all years in the archive

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.