Exercises

Hazardous operations 0900Z to 1900Z daily 25 thru 28 jul in area within ten miles of 13-20.00S 038-15.00W

Western South Atlantic · Brazil · HYDROLANT 1648/23

issued
2023-07-22 02:29Z
status
cancelled 2023-07-26 05:47Z (archive)
self-cancels
2023-07-28 20:00Z
authority
NAVAREA V COASTAL 399/23 220119Z JUL 23.
sea
South Atlantic Ocean
position
-13.333, -38.250 · r 10.0 nm
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN SOUTH ATLANTIC.
BRAZIL.
DNC 01.
1. HAZARDOUS OPERATIONS 0900Z TO 1900Z DAILY
   25 THRU 28 JUL IN AREA WITHIN TEN MILES OF
   13-20.00S 038-15.00W.
2. CANCEL THIS MSG 282000Z JUL 23.

Activity windows · 4 in this warning

opens (UTC)closes (UTC)locallength
2023-07-25 09:00Z2023-07-25 19:00Z10 h
2023-07-26 09:00Z2023-07-26 19:00Z10 h
2023-07-27 09:00Z2023-07-27 19:00Z10 h
2023-07-28 09:00Z2023-07-28 19:00Z10 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

156 within 180 nm since 2004 · 0 in the last 12 months · 0 in force now

04
05
10
15
20
23

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.