Exercises

Hazardous operations

Western North Pacific · Mariana Islands · HYDROPAC 2840/16

issued
2016-09-18 03:10Z
status
cancelled 2016-09-18 14:00Z (archive)
self-cancels
2016-09-18 14:00Z
authority
COMCOGARD SECTOR GUAM 640/16 170940Z SEP 16.
sea
North Pacific Ocean
position
11.743, 144.013
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN NORTH PACIFIC.
MARIANA ISLANDS.
HAZARDOUS OPERATIONS.
DNC 12.
1. HAZARDOUS OPERATIONS 181000Z TO 181300Z SEP
   IN AREA BOUND BY
   13-10N 144-43E, 13-10N 144-30E,
   12-45N 144-30E, 11-45N 143-00E,
   11-00N 143-00E, 11-00N 144-45E.
2. CANCEL THIS MSG 181400Z SEP 16.

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
2016-09-18 10:00Z2016-09-18 13:00Z3 h

Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.

This area · military exercises

902 within 180 nm since 2002 · 3 in the last 12 months · 1 in force now

02
05
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15
20
25
26

Season · when military exercises happen here

J
F
M
A
M
J
J
A
S
O
N
D

month of issue, all years in the archive

Nearby now · within 120 nm

Worldwide now

35 military exercises in force · see all

Exercises

Gunnery, firing and naval exercise areas. All current military exercises

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.