Exercises

Hazardous operations

Brazil-north Coast · HYDROLANT 597/13

issued
2013-03-09 12:48Z
status
cancelled 2013-03-14 21:00Z (archive)
self-cancels
2013-03-14 21:00Z
authority
NAVAREA V N 281/13 090717Z MAR 13.
sea
South Atlantic Ocean
position
-0.861, -45.929
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

BRAZIL-NORTH COAST.
HAZARDOUS OPERATIONS.
1. HAZARDOUS OPERATIONS 141100Z TO 142000Z MAR
   IN AREA BOUND BY
   00-41.90S 046-22.00W, 00-47.65S 046-23.50W,
   01-01.50S 045-29.90W, 00-55.50S 045-28.35W.
2. CANCEL THIS MSG 142100Z MAR 13.

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
2013-03-14 11:00Z2013-03-14 20:00Z9 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

93 within 180 nm since 2000 · 0 in the last 12 months · 0 in force now

00
05
10
15
20
24

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

Nearby now · 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.