Exercises

Hazardous operations

Western North Pacific · Mariana Islands · HYDROPAC 644/16

issued
2016-03-06 08:40Z
status
cancelled 2016-03-11 12:00Z (archive)
self-cancels
2016-03-11 12:00Z
authority
COMCOGARD SECTOR GUAM 170/16 060704Z MAR 16.
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

WESTERN NORTH PACIFIC.
MARIANA ISLANDS.
HAZARDOUS OPERATIONS.
DNC 12.
1. HAZARDOUS OPERATIONS 2100Z TO 1100Z COMMENCING
   DAILY 06, 07 AND 10 MAR, 2100Z TO 1330Z
   COMMENCING DAILY 08 AND 09 MAR
   WITHIN 12 MILES OF 16-01-06N 146-03-35E.
2. CANCEL THIS MSG 111200Z MAR 16.

This area · military exercises

1451 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.