Exercises

Hazardous operations

Brazil-south Coast · HYDROLANT 2797/13

issued: 2013-11-06 18:11Z
status: cancelled 2013-11-15 03:00Z (archive)
self-cancels: 2013-11-15 03:00Z
cancels: HYDROLANT 2767/13
authority: NAVAREA V S 1371/13 061236Z NOV 13 - WZ 1237/13 061549Z NOV 13.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

BRAZIL-SOUTH COAST.
HAZARDOUS OPERATIONS.
1. HAZARDOUS OPERATIONS 120200Z TO 150200Z NOV
   IN AREA BETWEEN
   23-20S 23-40S AND 042-43W 043-05W.
2. CANCEL HYDROLANT 2767/13(35,36), STATION RESTORED.
3. CANCEL THIS MSG 150300Z NOV 13.

Activity windows · 1 in this warning

opens (UTC)	closes (UTC)	local	length
2013-11-12 02:00Z	2013-11-15 02:00Z	—	72 h

Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.

Timeline

Cancel HYDROLANT 2538/13cancels · 2013-11-04
Cancel HYDROLANT 2538/13replaced · 2013-11-04

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.