Exercises

Hazardous operations

Brazil-south Coast · HYDROLANT 664/11

issued
2011-04-20 02:56Z
status
cancelled 2011-04-25 17:00Z (archive)
self-cancels
2011-04-25 17:00Z
authority
NAVAREA V S 340/11 200040Z APR 11.
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

BRAZIL-SOUTH COAST.
HAZARDOUS OPERATIONS.
1. HAZARDOUS OPERATIONS 251000Z TO 251600Z APR
   IN AREA BETWEEN
   23-35S 24-00S AND 042-00W 042-33W.
2. CANCEL THIS MSG 251700Z APR.

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
2011-04-25 10:00Z2011-04-25 16:00Z6 h

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.