Exercises

Hazardous operations 2000Z to 1359Z commencing daily 21 thru 25 sep within ten miles of 16-01N 146-04E

HYDROPAC 1845/08

issued
2008-09-20 20:07Z
status
cancelled 2008-09-26 14:59Z (archive)
self-cancels
2008-09-26 14:59Z
authority
COMCOGARD SECTOR GUAM 168/08 201730Z SEP 08.
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

1. HAZARDOUS OPERATIONS 2000Z TO 1359Z COMMENCING DAILY
   21 THRU 25 SEP WITHIN TEN MILES OF 16-01N 146-04E.
2. CANCEL THIS MSG 261459Z SEP.

Activity windows · 5 in this warning

opens (UTC)closes (UTC)locallength
2008-09-21 20:00Z2008-09-22 13:59Z17 h 59
2008-09-22 20:00Z2008-09-23 13:59Z17 h 59
2008-09-23 20:00Z2008-09-24 13:59Z17 h 59
2008-09-24 20:00Z2008-09-25 13:59Z17 h 59
2008-09-25 20:00Z2008-09-26 13:59Z17 h 59

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
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.