Exercises

Hazardous operations 2000Z to 0240Z commencing daily 18 apr thru 18 may in areas: a. within 12 miles of…

North Atlantic Ocean · HYDROLANT 1300/00

What this record establishes

Archived notice · 2000-04-19 13:16Z

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 007/00 101640Z APR 00. Issued 2000-04-13 07:10Z. 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 3.952, -36.229. 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 · 31 in this warning

opens (UTC)closes (UTC)locallength
2000-04-18 20:00Z2000-04-19 02:40Z—6 h 40
2000-04-19 20:00Z2000-04-20 02:40Z—6 h 40
2000-04-20 20:00Z2000-04-21 02:40Z—6 h 40
2000-04-21 20:00Z2000-04-22 02:40Z—6 h 40
2000-04-22 20:00Z2000-04-23 02:40Z—6 h 40
2000-04-23 20:00Z2000-04-24 02:40Z—6 h 40
2000-04-24 20:00Z2000-04-25 02:40Z—6 h 40
2000-04-25 20:00Z2000-04-26 02:40Z—6 h 40
… 23 more

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

issued
2000-04-13 07:10Z
status
Archived notice
self-cancels
2000-05-19 03:40Z
authority
COMAR GUYANE 007/00 101640Z APR 00
issued by
COMAR GUYANE
sea
North Atlantic Ocean
position
3.952, -36.229
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 0240Z COMMENCING
   DAILY 18 APR THRU 18 MAY IN AREAS:
   A. WITHIN 12 MILES OF COASTLINE BETWEEN
      05-19N 052-47W AND 05-04N 052-30W.
   B. BOUND BY 05-24N 050-42W, 05-16N 050-42W,
      05-12N 052-18W, 05-19N 052-18W.
   C. BOUND BY 05-10N 045-47W, 04-50N 045-48W,
      04-55N 047-34W, 05-15N 047-33W.
   D. BOUND BY 04-50N 042-29W, 04-33N 042-30W,
      04-49N 044-51W, 05-00N 044-50W.
   E. BOUND BY 03-03N 025-54W, 02-42N 025-56W,
      03-11N 030-31W, 03-33N 030-29W.
2. CANCEL THIS MSG 190340Z MAY.

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

23 within 180 nm since 1999 · 0 in the last 12 months · 0 listed in force now

99
00
02

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

9 military exercises listed in force · see all

Record snapshot 2026-10-03 17:16Z; 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.