Exercises

Hazardous operations

Western South Atlantic · Brazil-north Coast · HYDROLANT 3162/16

issued: 2016-11-25 20:25Z
status: cancelled 2016-12-03 00:59Z (archive)
self-cancels: 2016-12-03 00:59Z
authority: NAVAREA V COASTAL 997/16 252002Z NOV 16.
sea: South Atlantic Ocean
position: -2.174, -44.268
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN SOUTH ATLANTIC.
BRAZIL-NORTH COAST.
HAZARDOUS OPERATIONS.
DNC 01.
1. HAZARDOUS OPERATIONS 0001Z TO 2359Z DAILY
   28 NOV THRU 02 DEC IN AREA BOUND BY
   02-18.93S 044-22.02W, 02-13.79S 044-22.07W,
   02-01.95S 044-15.21W, 02-06.73S 044-08.44W,
   02-17.71S 044-17.66W.
2. CANCEL THIS MSG 030059Z DEC 16.

Activity windows · 5 in this warning

opens (UTC)	closes (UTC)	local	length
2016-11-28 00:01Z	2016-11-28 23:59Z	—	23 h 58
2016-11-29 00:01Z	2016-11-29 23:59Z	—	23 h 58
2016-11-30 00:01Z	2016-11-30 23:59Z	—	23 h 58
2016-12-01 00:01Z	2016-12-01 23:59Z	—	23 h 58
2016-12-02 00:01Z	2016-12-02 23:59Z	—	23 h 58

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

84 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now

Season · when military exercises happen here

month of issue, all years in the archive

Nearby now · 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.