Exercises

Hazardous operations

Bay of Bengal · Southern Indian Ocean · HYDROPAC 1058/12

issued: 2012-04-13 06:55Z
status: cancelled 2012-04-18 04:03Z (archive)
self-cancels: 2012-04-20 05:30Z
authority: NAVAREA VIII 189/12 101002Z APR 12.
sea: Indian Ocean
position: -4.166, 89.211
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

BAY OF BENGAL.
SOUTHERN INDIAN OCEAN.
HAZARDOUS OPERATIONS.
1. HAZARDOUS OPERATIONS 180230Z TO 180530Z,
   181230Z TO 181600Z, 190200Z TO 190500Z,
   191130Z TO 191500Z AND 200030Z TO 200430Z APR
   IN AREAS BOUND BY:
   A. 20-48.75N 087-07.42E, 19-11.28N 088-02.35E,
      05-22.00S 091-37.55E, 06-16.47S 089-21.91E,
      06-22.00S 087-05.30E, 19-03.38N 086-26.32E,
      20-48.35N 087-02.58E.
   B. 24-25.31S 088-23.98E, 15-24.18S 087-37.03E,
      14-59.50S 092-37.01E, 24-00.18S 093-29.50E,
      24-16.88S 090-57.28E.
2. CANCEL THIS MSG 200530Z APR.

Activity windows · 5 in this warning

opens (UTC)	closes (UTC)	local	length
2012-04-18 02:30Z	2012-04-18 05:30Z	—	3 h
2012-04-18 12:30Z	2012-04-18 16:00Z	—	3 h 30
2012-04-19 02:00Z	2012-04-19 05:00Z	—	3 h
2012-04-19 11:30Z	2012-04-19 15:00Z	—	3 h 30
2012-04-20 00:30Z	2012-04-20 04:30Z	—	4 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

2 within 180 nm since 2012 · 0 in the last 12 months · 0 in force now

Hazardous operations2012-04-18

Season · when military exercises happen here

month of issue, all years in the archive

Timeline

Hazardous operationscancelled by · 2012-04-18

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.