Exercises

Hazardous operations 2000Z to 0230Z commencing daily 08 apr thru 08 may in areas: a. within 12 miles of…

HYDROLANT 692/03

issued: 2003-04-03 09:50Z
status: cancelled 2003-04-10 16:00Z (archive)
self-cancels: 2003-05-09 03:30Z
authority: COMAR GUYENNE 3/03 311232Z MAR 03
sea: North Atlantic Ocean
position: 4.884, -47.213
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HAZARDOUS OPERATIONS 2000Z TO 0230Z COMMENCING
   DAILY 08 APR THRU 08 MAY IN AREAS:
   A. WITHIN 12 MILES OF COASTLINE BETWEEN
      05-19N 052-47W AND 05-04N 052-30W.
   B. BOUND BY 05-10N 047-12W, 04-39N 047-14W,
      04-43N 048-12W, 05-14N 048-10W.
   C. BOUND BY 04-54N 045-53W, 04-37N 045-54W,
      04-44N 047-24W, 05-01N 047-23W.
2. CANCEL THIS MSG 090330Z MAY.

Activity windows · 31 in this warning

opens (UTC)	closes (UTC)	local	length
2003-04-08 20:00Z	2003-04-09 02:30Z	—	6 h 30
2003-04-09 20:00Z	2003-04-10 02:30Z	—	6 h 30
2003-04-10 20:00Z	2003-04-11 02:30Z	—	6 h 30
2003-04-11 20:00Z	2003-04-12 02:30Z	—	6 h 30
2003-04-12 20:00Z	2003-04-13 02:30Z	—	6 h 30
2003-04-13 20:00Z	2003-04-14 02:30Z	—	6 h 30
2003-04-14 20:00Z	2003-04-15 02:30Z	—	6 h 30
2003-04-15 20:00Z	2003-04-16 02:30Z	—	6 h 30
… 23 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

59 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

Seismic survey in progress until further notice by M/V geo prospector towing 1200 meter long cable in area…cancelled by · 2003-04-10

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.