Exercises

Hazardous operations

Western North Pacific · Mariana Islands · HYDROPAC 3615/13

issued: 2013-11-21 15:01Z
status: cancelled 2013-11-22 09:30Z (archive)
self-cancels: 2013-11-22 09:30Z
cancels: HYDROPAC 3597/13
authority: COMCOGARD SECTOR GUAM 568/13 210622Z NOV 13 - NAVAREA VIII 643/13 211001Z NOV 13.
sea: North Pacific Ocean
position: 16.017, 146.067 · r 10.0 nm
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN NORTH PACIFIC.
MARIANA ISLANDS.
HAZARDOUS OPERATIONS.
1. HAZARDOUS OPERATIONS 220300Z TO 220830Z NOV
   WITHIN TEN MILES OF 16-01N 146-04E.
2. CANCEL HYDROPAC 3597/13(63).
3. CANCEL THIS MSG 220930Z NOV 13.

Activity windows · 1 in this warning

opens (UTC)	closes (UTC)	local	length
2013-11-22 03:00Z	2013-11-22 08:30Z	—	5 h 30

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

1444 within 180 nm since 2002 · 1 in the last 12 months · 1 in force now

Season · when military exercises happen here

month of issue, all years in the archive

Timeline

Hazardous operations 251200Z to 251400Z nov within: a. five miles of 08-31.98N 076-52.05E between 190…cancels · 2013-11-20
Hazardous operations 251200Z to 251400Z nov within: a. five miles of 08-31.98N 076-52.05E between 190…replaced · 2013-11-20

Nearby now · within 120 nm

Nothing else in force 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.