Exercises
Hazardous operations 121100Z to 131900Z mar in area between 23-32.2S 23-12.0S and 043-11.0W 042-49.3W
Western South Atlantic · Brazil-south Coast · HYDROLANT 804/18
- issued
- 2018-03-07 04:01Z
- status
- cancelled 2018-03-10 19:17Z (archive)
- self-cancels
- 2018-03-13 20:00Z
- authority
- NAVAREA V COASTAL S 197/18 070311Z MAR 18.
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN SOUTH ATLANTIC. BRAZIL-SOUTH COAST. DNC 01. 1. HAZARDOUS OPERATIONS 121100Z TO 131900Z MAR IN AREA BETWEEN 23-32.2S 23-12.0S AND 043-11.0W 042-49.3W. 2. CANCEL THIS MSG 132000Z MAR 18.
Activity windows · 1 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2018-03-12 11:00Z | 2018-03-13 19:00Z | — | 32 h |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
Timeline
- Cancel HYDROLANT 804/18 and this msgcancelled by · 2018-03-10
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.