Exercises

Hazardous operations 0230Z to 0930Z daily 29 thru 31 mar within 190 miles of 21-22.1N 086-56.4E

HYDROPAC 558/03

issued: 2003-03-27 13:25Z
status: cancelled 2003-03-31 10:30Z (archive)
self-cancels: 2003-03-31 10:30Z
cancels: HYDROPAC 537/03
authority: NAVAREA VIII 181/03 261002Z MAR 03; AUSCOAST POR EGC#3169 270559Z MAR 03
sea: Bay of Bengal
position: 21.368, 86.940 · r 190.0 nm
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HAZARDOUS OPERATIONS 0230Z TO 0930Z DAILY 29 THRU 31 MAR
   WITHIN 190 MILES OF 21-22.1N 086-56.4E.
2. CANCEL HYDROPAC 537/03(75).
3. CANCEL THIS MSG 311030Z MAR.

Activity windows · 3 in this warning

opens (UTC)	closes (UTC)	local	length
2003-03-29 02:30Z	2003-03-29 09:30Z	—	7 h
2003-03-30 02:30Z	2003-03-30 09:30Z	—	7 h
2003-03-31 02:30Z	2003-03-31 09:30Z	—	7 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

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

Season · when military exercises happen here

month of issue, all years in the archive

Timeline

Seismic survey in progress until further notice by M/V western monarch towing six 4 mile long cables in area…cancels · 2003-03-25
Seismic survey in progress until further notice by M/V western monarch towing six 4 mile long cables in area…replaced · 2003-03-25

Nearby now · within 120 nm

Hazardous operations 0330Z to 1130Z daily 19 thru 21 aug in area bound by 20-57.00N 086-54.00E, 21-13.00N…Exercises · 26.1 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.