Exercises

Hazardous operations

Brazil-southeast Coast · HYDROLANT 218/16

issued
2016-01-26 01:49Z
status
cancelled 2016-01-29 22:30Z (archive)
self-cancels
2016-01-29 22:30Z
cancels
HYDROLANT 183/16
authority
NAVAREA V S 106/16Z 260020Z JAN 16.
sea
South Atlantic Ocean
position
-23.057, -42.037
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

BRAZIL-SOUTHEAST COAST.
HAZARDOUS OPERATIONS.
DNC 01.
1. HAZARDOUS OPERATIONS 280900Z TO 292130Z JAN
   IN AREA BOUND BY
   22-58.72S 042-02.15W, 23-01.00S 042-00.00W,
   23-07.00S 042-00.00W, 23-07.00S 042-04.48W,
   23-01.20S 042-04.48W.
2. CANCEL HYDROLANT 183/16.
3. CANCEL THIS MSG 292230Z JAN 16.

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
2016-01-28 09:00Z2016-01-29 21:30Z36 h 30

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

629 within 180 nm since 1999 · 2 in the last 12 months · 2 in force now

99
00
05
10
15
20
25
26

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

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.