Exercises

Hazardous operations

North Pacific · Mariana Islands · HYDROPAC 632/13

issued
2013-03-05 00:57Z
status
cancelled 2013-03-08 04:00Z (archive)
self-cancels
2013-03-08 04:00Z
authority
COMCOGARD SECTOR GUAM 107/13 042218Z MAR 13.
sea
North Pacific Ocean
position
16.018, 146.060 · r 12.0 nm
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

NORTH PACIFIC.
MARIANA ISLANDS.
HAZARDOUS OPERATIONS.
1. HAZARDOUS OPERATIONS 2200Z TO 0300Z COMMENCING
   DAILY 03 THRU 07 MAR WITHIN 12 MILES OF
   16-01.1N 146-03.6E.
2. CANCEL THIS MSG 080400Z MAR 13.

Activity windows · 5 in this warning

opens (UTC)closes (UTC)locallength
2013-03-03 22:00Z2013-03-04 03:00Z5 h
2013-03-04 22:00Z2013-03-05 03:00Z5 h
2013-03-05 22:00Z2013-03-06 03:00Z5 h
2013-03-06 22:00Z2013-03-07 03:00Z5 h
2013-03-07 22:00Z2013-03-08 03:00Z5 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

1447 within 180 nm since 2002 · 3 in the last 12 months · 1 in force now

02
05
10
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.