Exercises

Hazardous operations

Western South Atlantic Brazil-south Coast · HYDROLANT 112/15

issued: 2015-01-14 00:35Z
status: cancelled 2015-01-15 01:46Z (archive)
self-cancels: 2015-01-18 17:00Z
authority: NAVAREA V S 37/15 140034Z JAN 15.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN SOUTH ATLANTIC
BRAZIL-SOUTH COAST.
HAZARDOUS OPERATIONS.
DNC 01.
1. HAZARDOUS OPERATIONS 180800Z TO 181600Z JAN
   IN AREA BETWEEN
   26-30S 26-50S AND 046-00W 040-23W.
2. CANCEL THIS MSG 181700Z JAN 15.

Activity windows · 1 in this warning

opens (UTC)	closes (UTC)	local	length
2015-01-18 08:00Z	2015-01-18 16:00Z	—	8 h

Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.

Timeline

Hazardous operationscancelled by · 2015-01-15

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

36 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.