Exercises
Hazardous operations 1100Z to 1500Z daily 21 thru 28 mar in area bound by 00-13.50N 047-22.00W, 00-13.50N…
Western North Atlantic · Brazil-north Coast · HYDROLANT 850/17
- issued
- 2017-03-16 03:29Z
- status
- cancelled 2017-03-28 16:00Z (archive)
- self-cancels
- 2017-03-28 16:00Z
- authority
- NAVAREA V COASTAL 235/17 160214Z MAR 17.
- sea
- North Atlantic Ocean
- position
- 0.123, -47.234
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
WESTERN NORTH ATLANTIC. BRAZIL-NORTH COAST. DNC 01. 1. HAZARDOUS OPERATIONS 1100Z TO 1500Z DAILY 21 THRU 28 MAR IN AREA BOUND BY 00-13.50N 047-22.00W, 00-13.50N 047-06.00W, 00-01.50N 047-06.00W, 00-01.05N 047-22.00W. 2. CANCEL THIS MSG 281600Z MAR 17.
Activity windows · 8 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2017-03-21 11:00Z | 2017-03-21 15:00Z | — | 4 h |
| 2017-03-22 11:00Z | 2017-03-22 15:00Z | — | 4 h |
| 2017-03-23 11:00Z | 2017-03-23 15:00Z | — | 4 h |
| 2017-03-24 11:00Z | 2017-03-24 15:00Z | — | 4 h |
| 2017-03-25 11:00Z | 2017-03-25 15:00Z | — | 4 h |
| 2017-03-26 11:00Z | 2017-03-26 15:00Z | — | 4 h |
| 2017-03-27 11:00Z | 2017-03-27 15:00Z | — | 4 h |
| 2017-03-28 11:00Z | 2017-03-28 15:00Z | — | 4 h |
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
53 within 180 nm since 2005 · 0 in the last 12 months · 0 in force now
05
10
15
20
24
- Hazardous operations 0900Z to 1600Z daily 20 thru 23 mar in area bound by 00-24.10S 047-39.18W, 00-27.98S…2024-03-20
- Hazardous operations 0900Z to 1600Z daily 18 thru 23 mar in area bound by 00-24.10S 047-39.18W, 00-27.98S…2024-03-11
- Hazardous operations 050900Z to 062100Z dec in area bound by 00-28.00N 048-02.00W, 00-28.00N 048-12.00W,…2023-12-01
- Hazardous operations 230700Z to 232100Z nov in area bound by 01-04.30S 048-37.10W, 01-06.00S 048-39.50W,…2023-11-18
- Hazardous operations 090800Z to 092100Z nov in areas bound by: a. 00-10.00N 048-02.00W, 00-10.00N…2023-11-04
- Hazardous operations 0900Z to 2100Z daily 27 and 28 sep in areas bound by: a. 00-00.00N 048-12.00W,…2023-09-22
Season · when military exercises happen here
J
F
M
A
M
J
J
A
S
O
N
D
month of issue, all years in the archive
Nearby now · within 120 nm
- Dangerous wreck in 00-24.48N 047-50.68WWrecks · 40.4 nm
- Caete light 00-49.02S 046-36.86W destroyedNav aids · 67.6 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.