Exercises

Hazardous operations 1. hazardous operations 112200Z to 120100Z apr in area bound by 21-48.0S 038-33.0W,…

Brazil-southeast Coast · HYDROLANT 576/11

issued: 2011-04-06 01:16Z
status: cancelled 2011-04-12 02:00Z (archive)
self-cancels: 2011-04-12 02:00Z
authority: NAVAREA V E 262/11 060025Z APR 11.
sea: South Atlantic Ocean
position: -21.865, -38.367
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

BRAZIL-SOUTHEAST COAST.
HAZARDOUS OPERATIONS
1. HAZARDOUS OPERATIONS 112200Z TO 120100Z APR
   IN AREA BOUND BY
   21-48.0S 038-33.0W, 21-41.0S 038-25.5W,
   21-55.0S 038-11.0W, 22-03.0S 038-19.0W.
2. CANCEL THIS MSG 120200Z APR.

Activity windows · 1 in this warning

opens (UTC)	closes (UTC)	local	length
2011-04-11 22:00Z	2011-04-12 01:00Z	—	3 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

104 within 180 nm since 2005 · 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

Survey operations in progress until 09 jul 27 by M/V bgp dragon towing 250 meter long cable in area bound by…Surveys · 95.5 nm
Underwater operations in progress until 140001Z nov by M/V fugro vaquita in area bound by 22-03.00S…Surveys · 101.3 nm
Underwater operations in progress until 170259Z aug in 22-22.48S 040-25.05WSurveys · 118.1 nm
Underwater operations 1000Z to 2000Z daily until 02 nov 26 by M/V fugro vaquita in: a. 22-26.32S 040-25.47WSurveys · 119.3 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.