Exercises

Hazardous operations

Brazil-south Coast · HYDROLANT 1077/10

issued: 2010-06-11 00:55Z
status: cancelled 2010-06-17 00:59Z (archive)
self-cancels: 2010-06-17 00:59Z
authority: NAVAREA V S 909/10 110034Z JUN 10.
sea: South Atlantic Ocean
position: -29.025, -47.508
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

BRAZIL-SOUTH COAST.
HAZARDOUS OPERATIONS.
1. HAZARDOUS OPERATIONS 162000Z TO 162359Z JUN
   IN AREA BOUND BY
   28-34S 047-47W, 29-01S 046-56W,
   29-29S 047-14W, 29-02S 048-05W.
2. CANCEL THIS MSG 170059Z JUN.

Activity windows · 1 in this warning

opens (UTC)	closes (UTC)	local	length
2010-06-16 20:00Z	2010-06-16 23:59Z	—	3 h 59

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

128 within 180 nm since 2003 · 0 in the last 12 months · 0 in force now

Season · when military exercises happen here

month of issue, all years in the archive

Nearby now · within 120 nm

Survey operations 10 thru 17 aug by M/V ramform titan towing 12 9000 meter long cables in area bound by…Surveys · 35.2 nm
Scientific bouy, yellow, fl y 20 sec established in 27-24.38S 047-15.92WSurveys · 98 nm
Ponta da galheta light 27-34.55S 048-24.99W unlit until 31 augNav aids · 99.4 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.