Exercises

Hazardous operations

Brazil-south Coast · HYDROLANT 1231/14

issued: 2014-05-15 01:29Z
status: cancelled 2014-05-22 17:00Z (archive)
self-cancels: 2014-05-22 17:00Z
authority: NAVAREA V S 562/14 150036Z MAY 14.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

BRAZIL-SOUTH COAST.
HAZARDOUS OPERATIONS.
1. HAZARDOUS OPERATIONS 200800Z TO 201600Z,
   202300Z TO 210300Z, 210800Z TO 211600Z
   212230Z TO 220230Z, 221030Z TO 221600Z MAY
   IN AREA BETWEEN
   23-35.0S 24-00.0S AND 042-12.5W 042-45.2W.
2. CANCEL THIS MSG 221700Z MAY 14.

Activity windows · 5 in this warning

opens (UTC)	closes (UTC)	local	length
2014-05-20 08:00Z	2014-05-20 16:00Z	—	8 h
2014-05-20 23:00Z	2014-05-21 03:00Z	—	4 h
2014-05-21 08:00Z	2014-05-21 16:00Z	—	8 h
2014-05-21 22:30Z	2014-05-22 02:30Z	—	4 h
2014-05-22 10:30Z	2014-05-22 16:00Z	—	5 h 30

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

Nearby now · within 120 nm

Nothing else in force 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.