Exercises

Hazardous operations 0001Z to 0800Z daily 28 jul thru 01 aug within ten miles of 16-01N 146-04E

HYDROPAC 1439/08

issued
2008-07-27 14:06Z
status
cancelled 2008-08-01 09:00Z (archive)
self-cancels
2008-08-01 09:00Z
authority
COGARD SECTOR GUAM 270825Z JUL 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 0001Z TO 0800Z DAILY
   28 JUL THRU 01 AUG WITHIN TEN MILES OF 16-01N 146-04E.
2. CANCEL THIS MSG 010900Z AUG.

Activity windows · 5 in this warning

opens (UTC)closes (UTC)locallength
2008-07-28 00:01Z2008-07-28 08:00Z7 h 59
2008-07-29 00:01Z2008-07-29 08:00Z7 h 59
2008-07-30 00:01Z2008-07-30 08:00Z7 h 59
2008-07-31 00:01Z2008-07-31 08:00Z7 h 59
2008-08-01 00:01Z2008-08-01 08:00Z7 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.