Exercises

Hazardous operations

Brazil-southeast Coast · HYDROLANT 1663/10

issued
2010-09-03 15:53Z
status
cancelled 2010-09-07 16:00Z (archive)
self-cancels
2010-09-07 16:00Z
cancels
HYDROLANT 1658/10
authority
NAVAREA V S 1225/10 03 SEP 10.
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

BRAZIL-SOUTHEAST COAST.
HAZARDOUS OPERATIONS.
1. HAZARDOUS OPERATIONS 071130Z TO 071500Z SEP
   IN AREA BETWEEN
   22-59.0S 23-04.0S AND 043-10.5W 043-30.0W.
2. CANCEL HYDROLANT 1658/10.
3. CANCEL THIS MSG 071600Z SEP.

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
2010-09-07 11:30Z2010-09-07 15:00Z3 h 30

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

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.