Exercises

Hazardous operations

Brazil-south Coast · HYDROLANT 434/10

issued: 2010-03-13 01:02Z
status: cancelled 2010-03-23 04:00Z (archive)
self-cancels: 2010-03-23 04:00Z
authority: NAVAREA V S 456/10 130034Z MAR 10.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

BRAZIL-SOUTH COAST.
HAZARDOUS OPERATIONS.
1. HAZARDOUS OPERATIONS 181000Z TO 182100Z
   AND 230001Z TO 230300Z MAR
   IN AREA BETWEEN
   24-15.0S 24-30.0S AND 045-15.5W 046-00.0W.
2. CANCEL THIS MSG 230400Z MAR.

Activity windows · 2 in this warning

opens (UTC)	closes (UTC)	local	length
2010-03-18 10:00Z	2010-03-18 21:00Z	—	11 h
2010-03-23 00:01Z	2010-03-23 03:00Z	—	2 h 59

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.