Exercises

Hazardous operations 0001Z to 2359Z daily 17 thru 24 sep in area bound by 02-18.93S 044-22.02W, 02-09.00S…

Western South Atlantic · Brazil-north Coast · HYDROLANT 2813/17

issued
2017-09-12 05:38Z
status
cancelled 2017-09-25 00:59Z (archive)
self-cancels
2017-09-25 00:59Z
authority
NAVAREA V COASTAL N 732/17 111859Z SEP 17.
sea
South Atlantic Ocean
position
-1.844, -44.418
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN SOUTH ATLANTIC.
BRAZIL-NORTH COAST.
DNC 01.
1. HAZARDOUS OPERATIONS 0001Z TO 2359Z DAILY
   17 THRU 24 SEP IN AREA BOUND BY
   02-18.93S 044-22.02W, 02-09.00S 044-24.00W,
   01-39.36S 044-53.28W, 01-32.61S 044-06.92W,
   02-17.71S 044-15.60W.
2. CANCEL THIS MSG 250059Z SEP 17.

Activity windows · 8 in this warning

opens (UTC)closes (UTC)locallength
2017-09-17 00:01Z2017-09-17 23:59Z23 h 58
2017-09-18 00:01Z2017-09-18 23:59Z23 h 58
2017-09-19 00:01Z2017-09-19 23:59Z23 h 58
2017-09-20 00:01Z2017-09-20 23:59Z23 h 58
2017-09-21 00:01Z2017-09-21 23:59Z23 h 58
2017-09-22 00:01Z2017-09-22 23:59Z23 h 58
2017-09-23 00:01Z2017-09-23 23:59Z23 h 58
2017-09-24 00:01Z2017-09-24 23:59Z23 h 58

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

85 within 180 nm since 1999 · 0 in the last 12 months · 0 in force now

99
00
05
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

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.