Exercises

Hazardous operations 1000Z to 0200Z commencing daily 25 thru 27 may within ten miles of 16-01N 146-04E

HYDROPAC 890/07

issued: 2007-05-18 08:58Z
status: cancelled 2007-05-28 03:00Z (archive)
self-cancels: 2007-05-28 03:00Z
cancels: HYDROPAC 885/07
authority: COMNAVMARIANAS 180545Z MAY 07; JAPAN COAST GUARD 180200Z MAY 07.
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 1000Z TO 0200Z COMMENCING DAILY
   25 THRU 27 MAY WITHIN TEN MILES OF 16-01N 146-04E.
2. CANCEL HYDROPAC 885/07(97), VESSEL LOCATED SAFE.
3. CANCEL THIS MSG 280300Z MAY.

Activity windows · 3 in this warning

opens (UTC)	closes (UTC)	local	length
2007-05-25 10:00Z	2007-05-26 02:00Z	—	16 h
2007-05-26 10:00Z	2007-05-27 02:00Z	—	16 h
2007-05-27 10:00Z	2007-05-28 02:00Z	—	16 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

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

Season · when military exercises happen here

month of issue, all years in the archive

Timeline

48 foot M/V yuyu, white hull, six persons on board, overdue chichijima island (27-04-58N 142-13-05E) to…cancels · 2007-05-17
48 foot M/V yuyu, white hull, six persons on board, overdue chichijima island (27-04-58N 142-13-05E) to…replaced · 2007-05-17

Nearby now · within 120 nm

Due to tropical storm, the following ports are closed, until further noticeOther · 59.6 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.