Exercises

Hazardous operations

North Pacific · Mariana Islands · HYDROPAC 963/11

issued
2011-03-27 04:44Z
status
cancelled 2011-03-30 11:45Z (archive)
self-cancels
2011-03-30 11:45Z
cancels
HYDROPAC 958/11HYDROPAC 960/11
authority
COMCOGARD SECTOR GUAM 173/11 262013Z MAR 11 - PVWA 27 MAR 11.
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

NORTH PACIFIC.
MARIANA ISLANDS.
HAZARDOUS OPERATIONS.
1. HAZARDOUS OPERATIONS 2200Z TO 1045Z COMMENCING
   DAILY 27 THRU 29 MAR WITHIN
   TEN MILES OF 16-01N 146-04E.
2. CANCEL HYDROPAC 958/11(22,83), 944/11 REFERS.
3. CANCEL HYDROPAC 960/11(61).
4. CANCEL THIS MSG 301145Z MAR.

Activity windows · 3 in this warning

opens (UTC)closes (UTC)locallength
2011-03-27 22:00Z2011-03-28 10:45Z12 h 45
2011-03-28 22:00Z2011-03-29 10:45Z12 h 45
2011-03-29 22:00Z2011-03-30 10:45Z12 h 45

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

1446 within 180 nm since 2002 · 3 in the last 12 months · 1 in force now

02
05
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26

Season · when military exercises happen here

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F
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A
M
J
J
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month of issue, all years in the archive

Timeline

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.