Exercises

Hazardous operations

Brazil-southeast Coast · HYDROLANT 822/16

issued: 2016-04-07 00:29Z
status: cancelled 2016-04-14 02:00Z (archive)
self-cancels: 2016-04-14 02:00Z
authority: NAVAREA V S 301/16 070021Z APR 16.
sea: South Atlantic Ocean
position: -25.157, -40.753
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

BRAZIL-SOUTHEAST COAST.
HAZARDOUS OPERATIONS.
DNC 01.
1. HAZARDOUS OPERATIONS 0700Z TO 0100Z DAILY
   12 THRU 13 APR IN AREA BOUND BY
   24-05S 041-19W, 24-42S 039-33W,
   26-14S 040-12W, 25-37S 041-57W.
2. CANCEL THIS MSG 140200Z APR 16.

Activity windows · 2 in this warning

opens (UTC)	closes (UTC)	local	length
2016-04-12 07:00Z	2016-04-13 01:00Z	—	18 h
2016-04-13 07:00Z	2016-04-14 01:00Z	—	18 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

446 within 180 nm since 2005 · 2 in the last 12 months · 2 in force now

Season · when military exercises happen here

month of issue, all years in the archive

Nearby now · within 120 nm

Hazardous operations 0800Z to 2100Z daily 18 thru 20 aug in area within ten miles of 25-06.00S 041-13.00WExercises · 25.4 nm
Hazardous operations in progress until 060400Z jun 27 in area bound by 24-39.87S 042-29.30W, 24-39.78S…Exercises · 100.2 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.