Exercises

Hazardous operations 2230Z to 2359Z daily 18 thru 20 aug within 216 miles of 24-00N 146-06E

HYDROPAC 1554/08

issued
2008-08-14 14:37Z
status
cancelled 2008-08-21 00:59Z (archive)
self-cancels
2008-08-21 00:59Z
authority
NAVAREA XI 426/08 14 AUG 08.
sea
North Pacific Ocean
position
24.000, 146.100 · r 216.0 nm
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HAZARDOUS OPERATIONS 2230Z TO 2359Z DAILY 18 THRU 20 AUG
   WITHIN 216 MILES OF 24-00N 146-06E.
2. CANCEL THIS MSG 210059Z AUG.

Activity windows · 3 in this warning

opens (UTC)closes (UTC)locallength
2008-08-18 22:30Z2008-08-18 23:59Z1 h 29
2008-08-19 22:30Z2008-08-19 23:59Z1 h 29
2008-08-20 22:30Z2008-08-20 23:59Z1 h 29

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

233 within 180 nm since 2000 · 2 in the last 12 months · 2 in force now

00
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

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.