Exercises

Hazardous operations 0230Z to 1230Z daily 01 thru 07 apr in area between 15-11N 15-13N and 073-52E 073-57E

HYDROPAC 557/03

issued: 2003-03-27 13:20Z
status: cancelled 2003-04-07 13:30Z (archive)
self-cancels: 2003-04-07 13:30Z
cancels: HYDROPAC 541/03
authority: NAVAREA VIII 183/03 271001Z MAR 03; JAPAN COAST GUARD IOR EGC#570 271100Z MAR 03
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HAZARDOUS OPERATIONS 0230Z TO 1230Z DAILY 01 THRU 07 APR
   IN AREA BETWEEN 15-11N 15-13N AND 073-52E 073-57E.
2. CANCEL HYDROPAC 541/03, VESSEL LOCATED SAFE.
3. CANCEL THIS MSG 071330Z APR.

Activity windows · 7 in this warning

opens (UTC)	closes (UTC)	local	length
2003-04-01 02:30Z	2003-04-01 12:30Z	—	10 h
2003-04-02 02:30Z	2003-04-02 12:30Z	—	10 h
2003-04-03 02:30Z	2003-04-03 12:30Z	—	10 h
2003-04-04 02:30Z	2003-04-04 12:30Z	—	10 h
2003-04-05 02:30Z	2003-04-05 12:30Z	—	10 h
2003-04-06 02:30Z	2003-04-06 12:30Z	—	10 h
2003-04-07 02:30Z	2003-04-07 12:30Z	—	10 h

Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.

Timeline

Distress signal received from 380 ton M/V taikoumaru, 24 persons on board, vicinity 03-40N 063-30E at…cancels · 2003-03-26
Distress signal received from 380 ton M/V taikoumaru, 24 persons on board, vicinity 03-40N 063-30E at…replaced · 2003-03-26

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.