Exercises

Hazardous operations

Western South Atlantic · Brazil-south Coast · HYDROLANT 929/15

issued
2015-04-18 03:03Z
status
cancelled 2015-04-23 22:00Z (archive)
self-cancels
2015-04-23 22:00Z
authority
NAVAREA V S 376/15 180155Z APR 15.
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

WESTERN SOUTH ATLANTIC.
BRAZIL-SOUTH COAST.
HAZARDOUS OPERATIONS.
DNC 01.
1. HAZARDOUS OPERATIONS 231200Z TO 232100Z APR
   IN AREA BETWEEN
   23-10.0S 24-00.0S AND 042-12.5W 042-45.0W.
2. CANCEL THIS MSG 232200Z APR 15.

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
2015-04-23 12:00Z2015-04-23 21:00Z9 h

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

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.