Exercises

Hazardous operations

Brazil-north Coast · HYDROLANT 1245/12

issued
2012-06-10 06:55Z
status
cancelled 2012-06-14 03:49Z (archive)
self-cancels
2012-06-21 00:59Z
authority
NAVAREA V N 754/12 092056Z JUN 12.
sea
South Atlantic Ocean
position
-3.458, -37.630
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

BRAZIL-NORTH COAST.
HAZARDOUS OPERATIONS.
1. HAZARDOUS OPERATIONS 0900Z TO 2359Z DAILY
   15 THRU 20 JUN IN AREA BOUND BY
   03-39.0S 037-39.5W,
   03-22.5S 037-27.5W,
   03-16.0S 037-36.5W,
   03-32.5S 037-48.0W.
2. CANCEL THIS MSG 210059Z JUN.

Activity windows · 6 in this warning

opens (UTC)closes (UTC)locallength
2012-06-15 09:00Z2012-06-15 23:59Z14 h 59
2012-06-16 09:00Z2012-06-16 23:59Z14 h 59
2012-06-17 09:00Z2012-06-17 23:59Z14 h 59
2012-06-18 09:00Z2012-06-18 23:59Z14 h 59
2012-06-19 09:00Z2012-06-19 23:59Z14 h 59
2012-06-20 09:00Z2012-06-20 23:59Z14 h 59

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

36 within 180 nm since 2006 · 0 in the last 12 months · 0 in force now

06
10
15
20
22

Season · when military exercises happen here

J
F
M
A
M
J
J
A
S
O
N
D

month of issue, all years in the archive

Timeline

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.