Exercises

Hazardous operations

Brazil-south Coast · HYDROLANT 3142/13

issued: 2013-12-06 02:26Z
status: cancelled 2013-12-12 04:00Z (archive)
self-cancels: 2013-12-12 04:00Z
authority: NAVAREA V S 1528/13 052335Z DEC 13.
sea: South Atlantic Ocean
position: -27.517, -47.475
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

BRAZIL-SOUTH COAST.
HAZARDOUS OPERATIONS.
1. HAZARDOUS OPERATIONS 110930Z TO 120300Z DEC
   IN AREA BOUND BY
   26-41S 047-59W, 26-51S 046-44W,
   28-21S 046-58W, 28-11S 048-13W.
2. CANCEL THIS MSG 120400Z DEC 13.

Activity windows · 1 in this warning

opens (UTC)	closes (UTC)	local	length
2013-12-11 09:30Z	2013-12-12 03:00Z	—	17 h 30

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

238 within 180 nm since 2003 · 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

Scientific bouy, yellow, fl y 20 sec established in 27-24.38S 047-15.92WSurveys · 13 nm
Ponta da galheta light 27-34.55S 048-24.99W unlit until 31 augNav aids · 50.2 nm
Survey operations 10 thru 17 aug by M/V ramform titan towing 12 9000 meter long cables in area bound by…Surveys · 101.4 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.