Exercises
Hazardous operations
Western South Atlantic · Brazil-southeast Coast · HYDROLANT 3169/16
- issued
- 2016-11-27 00:50Z
- status
- cancelled 2016-12-09 04:00Z (archive)
- self-cancels
- 2016-12-09 04:00Z
- authority
- NAVAREA V COASTAL 1002/16 270030Z NOV 16.
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN SOUTH ATLANTIC. BRAZIL-SOUTHEAST COAST. HAZARDOUS OPERATIONS. DNC 01. 1. HAZARDOUS OPERATIONS 2000Z TO 0300Z COMMENCING DAILY 01 THRU 08 DEC IN AREA BETWEEN 20-50S 21-05S AND 040-35W 040-55W. 2. CANCEL THIS MSG 090400Z DEC 16.
Activity windows · 8 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2016-12-01 20:00Z | 2016-12-02 03:00Z | — | 7 h |
| 2016-12-02 20:00Z | 2016-12-03 03:00Z | — | 7 h |
| 2016-12-03 20:00Z | 2016-12-04 03:00Z | — | 7 h |
| 2016-12-04 20:00Z | 2016-12-05 03:00Z | — | 7 h |
| 2016-12-05 20:00Z | 2016-12-06 03:00Z | — | 7 h |
| 2016-12-06 20:00Z | 2016-12-07 03:00Z | — | 7 h |
| 2016-12-07 20:00Z | 2016-12-08 03:00Z | — | 7 h |
| 2016-12-08 20:00Z | 2016-12-09 03:00Z | — | 7 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.