Exercises

Hazardous operations

Brazil-northeast Coast · HYDROLANT 1501/13

issued: 2013-06-18 22:45Z
status: cancelled 2013-06-28 22:00Z (archive)
self-cancels: 2013-06-28 22:00Z
authority: NAVAREA V E 783/13 182237Z JUN 13.
sea: South Atlantic Ocean
position: -6.019, -34.548
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

BRAZIL-NORTHEAST COAST.
HAZARDOUS OPERATIONS.
1. HAZARDOUS OPERATIONS 1100Z TO 2100Z DAILY
   24 THRU 28 JUN IN AREA BOUND BY
   05-51.23S 034-57.15W, 05-44.95S 034-14.97W,
   06-06.02S 034-15.22W, 06-22.43S 034-21.57W,
   06-05.07S 034-54.15W.
2. CANCEL THIS MSG 282200Z JUN 13.

Activity windows · 5 in this warning

opens (UTC)	closes (UTC)	local	length
2013-06-24 11:00Z	2013-06-24 21:00Z	—	10 h
2013-06-25 11:00Z	2013-06-25 21:00Z	—	10 h
2013-06-26 11:00Z	2013-06-26 21:00Z	—	10 h
2013-06-27 11:00Z	2013-06-27 21:00Z	—	10 h
2013-06-28 11:00Z	2013-06-28 21:00Z	—	10 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

381 within 180 nm since 1999 · 1 in the last 12 months · 1 in force now

Season · when military exercises happen here

month of issue, all years in the archive

Nearby now · within 120 nm

Hazardous operations 03 aug thru 11 sep in area bound by 05-42.53S 034-45.02W, 06-09.83S 034-46.82W,…Exercises · 18.7 nm
Odas buoy established in 05-09.46S 035-09.81WNav aids · 63.5 nm
Odas buoy bravo rn-l temporarily established until 20 oct in 04-53.00S 035-46.01WNav aids · 99.8 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.