Exercises

Hazardous operations 2000Z to 0511Z commencing daily 19 dec thru 20 jan in areas: a. within 12 miles of…

North Atlantic Ocean · HYDROLANT 4105/00

What this record establishes

Archived notice · 2000-12-20 12:57Z

This notice comes from the historical archive. Its archived status does not establish when or how the reported situation ended.

Source and dates
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · COMAR GUYANE 27/00 130959Z DEC 00. Issued 2000-12-13 15:13Z. First collected 2026-08-17 13:38Z; last seen in collection 2026-08-17 15:46Z. Collection dates record ingestion, not a new incident or a fresh field observation.
Location covered
North Atlantic Ocean. The parsed report position is 5.599, -47.192. It is a position in the source message, not a live location. Check the original wording for limits and qualifications.

Related notices and cancellation links

Current notices and reporting history in the North Atlantic Ocean →

Activity windows · 33 in this warning

opens (UTC)closes (UTC)locallength
2000-12-19 20:00Z2000-12-20 05:11Z—9 h 11
2000-12-20 20:00Z2000-12-21 05:11Z—9 h 11
2000-12-21 20:00Z2000-12-22 05:11Z—9 h 11
2000-12-22 20:00Z2000-12-23 05:11Z—9 h 11
2000-12-23 20:00Z2000-12-24 05:11Z—9 h 11
2000-12-24 20:00Z2000-12-25 05:11Z—9 h 11
2000-12-25 20:00Z2000-12-26 05:11Z—9 h 11
2000-12-26 20:00Z2000-12-27 05:11Z—9 h 11
… 25 more

Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.

issued
2000-12-13 15:13Z
status
Archived notice
self-cancels
2001-01-20 06:11Z
authority
COMAR GUYANE 27/00 130959Z DEC 00
issued by
COMAR GUYANE
sea
North Atlantic Ocean
position
5.599, -47.192
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

1. HAZARDOUS OPERATIONS 2000Z TO 0511Z COMMENCING DAILY
   19 DEC THRU 20 JAN IN AREAS:
   A. WITHIN 12 MILES OF COASTLINE BETWEEN
      05-19N 052-47W AND 05-04N 052-30W.
   B. BOUND BY 05-57N 047-12W, 05-26N 047-10W,
      05-22N 048-09W, 05-53N 048-11W.
   C. BOUND BY 05-41N 045-50W, 05-25N 045-49W,
      05-22N 047-20W, 05-38N 047-20W.
2. CANCEL THIS MSG 200611Z JAN 2001.

Reading this warning

Hazardous operations
NGA's heading for activities that make an area dangerous — most often rocket launches, space debris and weapons firings, and some open-ended danger areas.
Within a radius of
A circular area — every position within a stated distance of a point.
Position (degrees and minutes)
How warnings write positions: degrees, a hyphen, then minutes, with N/S and E/W — 49-40.8N 003-43.8W.
CANCEL THIS MSG
The warning's own expiry: a line telling the reader when the message cancels itself.
Date-time group (DTG)
A compact UTC timestamp — day, hour and minute followed by Z — such as 201500Z for the 20th at 15:00 UTC.

All warning terms →

Collected reports in this area · military exercises

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

00
05
10
15
17

Counts include repeat notices about the same situation. NGA archive coverage ends 2024-05; live collection began 2026-08-17. The period between them is incomplete. An empty year is not evidence that no hazards occurred.

Month of issue in the collected archive

J
F
M
A
M
J
J
A
S
O
N
D

All available years combined. Uneven collection and repeat bulletins affect these counts; this chart does not measure the seasonality or probability of incidents.

Nearby notices listed in force · within 120 nm

No other collected notice is currently listed in force within this radius. This does not establish safe conditions.

Worldwide in the collected sources

17 military exercises listed in force · see all

Record snapshot 2026-09-24 23:03Z; source collection times vary.

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.