Exercises

Hazardous operations

Eastern South Atlantic · HYDROLANT 836/12

issued
2012-04-15 07:13Z
status
cancelled 2012-04-17 04:29Z (archive)
self-cancels
2012-04-17 17:00Z
cancels
HYDROLANT 823/12
authority
EASTERN RANGE OP 0212 142245Z APR 12.
sea
South Atlantic Ocean
position
-11.484, 0.434
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

EASTERN SOUTH ATLANTIC.
HAZARDOUS OPERATIONS.
1. HAZARDOUS OPERATIONS 161200Z TO 171600Z APR
   IN AREA BOUND BY
   08-48S 003-09W, 12-27S 002-51E,
   13-01S 003-50E, 13-20S 004-02E,
   13-30S 004-14E, 13-55S 003-57E,
   13-54S 003-38E, 13-41S 003-16E,
   13-43S 003-05E, 09-24S 003-36W.
2. CANCEL HYDROLANT 823/12.
3. CANCEL THIS MSG 171700Z APR.

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
2012-04-16 12:00Z2012-04-17 16:00Z—28 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

12 within 180 nm since 2002 · 0 in the last 12 months · 0 in force now

02
05
10
15
16

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.