Exercises
Hazardous operations
Western South Atlantic · Brazil-southeast Coast · HYDROLANT 977/15
- issued
- 2015-04-23 09:37Z
- status
- cancelled 2015-04-28 22:00Z (archive)
- self-cancels
- 2015-04-28 22:00Z
- authority
- NAVAREA V S 393/15 230050Z APR 15.
- 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 280900Z TO 282100Z APR IN AREA BETWEEN 23-35.0S 24-00.0S AND 042-12.5W 041-40.2W. 2. CANCEL THIS MSG 282200Z APR 15.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2015-04-28 09:00Z | 2015-04-28 21:00Z | — | 12 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.