Exercises

Hazardous operations

Brazil-north Coast · HYDROLANT 1041/12

issued: 2012-05-16 04:26Z
status: cancelled 2012-06-01 01:01Z (archive)
self-cancels: 2012-06-01 01:01Z
authority: NAVAREA V N 638/12 160042Z MAY 12.
sea: South Atlantic Ocean
position: -1.834, -44.161
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

BRAZIL-NORTH COAST.
HAZARDOUS OPERATIONS.
1. HAZARDOUS OPERATIONS 210001Z MAY TO
   010001Z JUN IN AREA BOUND BY
   02-18.95S 044-22.07W, 01-52.63S 044-20.62W,
   01-28.33S 044-07.50W, 01-36.05S 043-52.72W,
   02-00.62S 044-06.87W.
2. CANCEL THIS MSG 010101Z JUN.

Activity windows · 1 in this warning

opens (UTC)	closes (UTC)	local	length
2012-05-21 00:01Z	2012-06-01 00:01Z	—	264 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

85 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.