Exercises

Hazardous operations 2000Z to 0231Z commencing daily 12 jul thru 12 aug in areas: a. within 12 miles of…

HYDROLANT 1916/01

issued: 2001-07-06 10:10Z
status: cancelled 2001-07-13 02:18Z (archive)
self-cancels: 2001-08-12 03:31Z
authority: COMAR GUYANE CAYENNE 11/01 031245Z JUL 01
sea: North Atlantic Ocean
position: 5.525, -47.144
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HAZARDOUS OPERATIONS 2000Z TO 0231Z COMMENCING DAILY
   12 JUL THRU 12 AUG IN AREAS:
   A. WITHIN 12 MILES OF COASTLINE BETWEEN
      05-19N 052-47W AND 05-04N 052-30W.
   B. BOUND BY 05-51N 047-09W, 05-20N 047-07W,
      05-17N 048-07W, 05-48N 048-08W.
   C. BOUND BY 05-37N 045-46W, 05-21N 045-45W,
      05-20N 047-17W, 05-35N 047-17W.
2. CANCEL THIS MSG 120331Z AUG.

Activity windows · 32 in this warning

opens (UTC)	closes (UTC)	local	length
2001-07-12 20:00Z	2001-07-13 02:31Z	—	6 h 31
2001-07-13 20:00Z	2001-07-14 02:31Z	—	6 h 31
2001-07-14 20:00Z	2001-07-15 02:31Z	—	6 h 31
2001-07-15 20:00Z	2001-07-16 02:31Z	—	6 h 31
2001-07-16 20:00Z	2001-07-17 02:31Z	—	6 h 31
2001-07-17 20:00Z	2001-07-18 02:31Z	—	6 h 31
2001-07-18 20:00Z	2001-07-19 02:31Z	—	6 h 31
2001-07-19 20:00Z	2001-07-20 02:31Z	—	6 h 31
… 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 1916/01 and this msg, operations completedcancelled by · 2001-07-13

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.