Exercises

Hazardous operations 022230Z to 031230Z jan in area within 12 miles of 16-01.06N 146-03.35E

Western North Pacific · Mariana Islands · HYDROPAC 19/18

issued
2018-01-02 18:27Z
status
cancelled 2018-01-03 13:30Z (archive)
self-cancels
2018-01-03 13:30Z
authority
COMCOGARD SECTOR GUAM 4/18 021810Z JAN 18.
sea
Philippine Sea
position
16.018, 146.056 · r 12.0 nm
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN NORTH PACIFIC.
MARIANA ISLANDS.
DNC 12.
1. HAZARDOUS OPERATIONS 022230Z TO 031230Z JAN
   IN AREA WITHIN 12 MILES OF 16-01.06N 146-03.35E.
2. CANCEL THIS MSG 031330Z JAN 18.

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
2018-01-02 22:30Z2018-01-03 12:30Z14 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

1449 within 180 nm since 2002 · 1 in the last 12 months · 1 in force now

02
05
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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

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.