Exercises

Hazardous operations 200900Z to 201900Z dec in area within ten miles of 13-30S 038-30W

Western South Atlantic · Brazil-east Coast · HYDROLANT 4073/17

issued
2017-12-15 22:14Z
status
cancelled 2017-12-16 08:34Z (archive)
self-cancels
2017-12-20 20:00Z
authority
NAVAREA V COASTAL E 1010/17 152204Z DEC 17.
sea
South Atlantic Ocean
position
-13.500, -38.500 · r 10.0 nm
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN SOUTH ATLANTIC.
BRAZIL-EAST COAST.
DNC 01.
1. HAZARDOUS OPERATIONS 200900Z TO 201900Z DEC IN
   AREA WITHIN TEN MILES OF 13-30S 038-30W.
2. CANCEL THIS MSG 202000Z DEC 17.

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
2017-12-20 09:00Z2017-12-20 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

152 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.