Exercises

Hazardous operations

Brazil-south Coast · HYDROLANT 235/14

issued: 2014-01-25 00:47Z
status: cancelled 2014-02-01 03:00Z (archive)
self-cancels: 2014-02-01 03:00Z
authority: NAVAREA V S 72/14 250001Z JAN 14.
sea: South Atlantic Ocean
position: -28.583, -47.992
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

BRAZIL-SOUTH COAST.
HAZARDOUS OPERATIONS.
1. HAZARDOUS OPERATIONS 302200Z JAN TO 010200Z FEB
   IN AREA BOUND BY
   28-22S 048-03W, 28-33S 047-44W,
   28-48S 047-56W, 28-37S 048-15W.
2. CANCEL THIS MSG 010300Z FEB 14.

Activity windows · 1 in this warning

opens (UTC)	closes (UTC)	local	length
2014-01-30 22:00Z	2014-02-01 02:00Z	—	28 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

132 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

Ponta da galheta light 27-34.55S 048-24.99W unlit until 31 augNav aids · 64.5 nm
Survey operations 10 thru 17 aug by M/V ramform titan towing 12 9000 meter long cables in area bound by…Surveys · 68.2 nm
Scientific bouy, yellow, fl y 20 sec established in 27-24.38S 047-15.92WSurveys · 80.5 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.