Exercises
Hazardous operations
Brazil-south Coast · HYDROLANT 594/11
- issued
- 2011-04-09 18:58Z
- status
- cancelled 2011-04-20 00:01Z (archive)
- self-cancels
- 2011-04-20 00:01Z
- authority
- NAVAREA V S 280/11 091840Z APR 11.
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
BRAZIL-SOUTH COAST. HAZARDOUS OPERATIONS. 1. HAZARDOUS OPERATIONS 1100Z TO 2000Z DAILY 13 THRU 15 APR AND 1800Z TO 2300Z DAILY 16 THRU 19 APR IN AREA BETWEEN 24-00S 25-00S AND 041-02W 041-47W. 2. CANCEL THIS MSG 200001Z APR.
Activity windows · 7 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2011-04-13 11:00Z | 2011-04-13 20:00Z | — | 9 h |
| 2011-04-14 11:00Z | 2011-04-14 20:00Z | — | 9 h |
| 2011-04-15 11:00Z | 2011-04-15 20:00Z | — | 9 h |
| 2011-04-16 18:00Z | 2011-04-16 23:00Z | — | 5 h |
| 2011-04-17 18:00Z | 2011-04-17 23:00Z | — | 5 h |
| 2011-04-18 18:00Z | 2011-04-18 23:00Z | — | 5 h |
| 2011-04-19 18:00Z | 2011-04-19 23:00Z | — | 5 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.