Exercises

Hazardous operations 1030Z to 2027Z daily 01 jul thru 01 aug in area bound by 04-11S 001-04W, 05-57S…

HYDROLANT 1202/09

issued: 2009-06-27 05:28Z
status: cancelled 2009-07-01 19:48Z (archive)
self-cancels: 2009-08-01 21:27Z
authority: MARINE GUYANE 181946Z JUN 09.
sea: South Atlantic Ocean
position: -3.395, -7.615
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HAZARDOUS OPERATIONS 1030Z TO 2027Z DAILY
   01 JUL THRU 01 AUG IN AREA BOUND BY
   04-11S 001-04W, 05-57S 000-43E,
   02-44S 014-31W, 00-57S 014-09W.
2. CANCEL THIS MSG 012127Z AUG.

Activity windows · 32 in this warning

opens (UTC)	closes (UTC)	local	length
2009-07-01 10:30Z	2009-07-01 20:27Z	—	9 h 57
2009-07-02 10:30Z	2009-07-02 20:27Z	—	9 h 57
2009-07-03 10:30Z	2009-07-03 20:27Z	—	9 h 57
2009-07-04 10:30Z	2009-07-04 20:27Z	—	9 h 57
2009-07-05 10:30Z	2009-07-05 20:27Z	—	9 h 57
2009-07-06 10:30Z	2009-07-06 20:27Z	—	9 h 57
2009-07-07 10:30Z	2009-07-07 20:27Z	—	9 h 57
2009-07-08 10:30Z	2009-07-08 20:27Z	—	9 h 57
… 24 more

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

2 within 180 nm since 2008 · 0 in the last 12 months · 0 in force now

Hazardous operations 1544Z to 2205Z daily 12 aug thru 12 sep in area bound by 00-44S 000-25E, 02-31S…2008-08-08

Season · when military exercises happen here

month of issue, all years in the archive

Timeline

Cancel HYDROLANT 1201/09, 1202/09 and this msg, operations completedcancelled by · 2009-07-01

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.