Exercises

Hazardous operations 2000Z to 0248Z commencing daily 08 mar thru 08 apr in areas: a. within 12 miles of…

HYDROLANT 713/01

issued: 2001-03-02 15:10Z
status: cancelled 2001-03-08 23:45Z (archive)
self-cancels: 2001-04-09 03:48Z
authority: COMAR GUYANE 7/01 021415Z MAR 01
sea: North Atlantic Ocean
position: 5.530, -47.158
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HAZARDOUS OPERATIONS 2000Z TO 0248Z COMMENCING DAILY
   08 MAR THRU 08 APR IN AREAS:
   A. WITHIN 12 MILES OF COASTLINE BETWEEN
      05-19N 052-47W AND 05-04N 052-30W.
   B. BOUND BY 05-51N 047-08W, 05-20N 047-06W,
      05-17N 048-07W, 05-48N 048-08W.
   C. BOUND BY 05-38N 045-48W, 05-22N 045-48W,
      05-20N 047-20W, 05-36N 047-20W.
2. CANCEL THIS MSG 090348Z APR.

Activity windows · 32 in this warning

opens (UTC)	closes (UTC)	local	length
2001-03-08 20:00Z	2001-03-09 02:48Z	—	6 h 48
2001-03-09 20:00Z	2001-03-10 02:48Z	—	6 h 48
2001-03-10 20:00Z	2001-03-11 02:48Z	—	6 h 48
2001-03-11 20:00Z	2001-03-12 02:48Z	—	6 h 48
2001-03-12 20:00Z	2001-03-13 02:48Z	—	6 h 48
2001-03-13 20:00Z	2001-03-14 02:48Z	—	6 h 48
2001-03-14 20:00Z	2001-03-15 02:48Z	—	6 h 48
2001-03-15 20:00Z	2001-03-16 02:48Z	—	6 h 48
… 24 more

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

56 within 180 nm since 2000 · 0 in the last 12 months · 0 in force now

Hazardous operations 142025Z feb to 140005Z mar in areas bound by: a. 05-16N 047-26W, 04-44N 047-27W, 04-47N…2017-02-11
Hazardous operations 140300Z to 150300Z feb in area bound by 05-16N 047-26W, 04-44N 047-27W, 04-47N 048-26W,…2017-02-09
Hazardous operations2017-01-22
Hazardous operations2017-01-22
Hazardous operations2016-12-16
Hazardous operations2016-12-15

Season · when military exercises happen here

month of issue, all years in the archive

Timeline

Cancel HYDROLANT 713/01 and this msg, operations completedcancelled by · 2001-03-08

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.