Surveys

Underwater operations 2200Z to 0800Z daily 12 thru 18 may in 13-29.50N 144-40.67E

Western North Pacific · Guam · Northern Mariana Islands · HYDROPAC 1469/23

issued
2023-05-03 14:34Z
status
cancelled 2023-05-18 09:00Z (archive)
self-cancels
2023-05-18 09:00Z
authority
COMCOGARD FORCES MICRONESIA SECTOR GUAM 163/23 030703Z MAY 23.
position
13.492, 144.678
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN NORTH PACIFIC.
GUAM.
NORTHERN MARIANA ISLANDS.
DNC 12.
1. UNDERWATER OPERATIONS 2200Z TO 0800Z DAILY
   12 THRU 18 MAY IN 13-29.50N 144-40.67E.
   ONE MILE BERTH REQUESTED.
2. CANCEL THIS MSG 180900Z MAY 23.

This area · survey operations

17 within 180 nm since 2000 · 0 in the last 12 months · 0 in force now

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05
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20
23

Season · when survey operations happen here

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M
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month of issue, all years in the archive

Nearby now · within 120 nm

Worldwide now

75 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.