Exercises

Hazardous operations 1700Z to 0028Z commencing daily 07 feb thru 08 mar in areas: a. within 12 miles of…

North Atlantic Ocean · HYDROLANT 389/01

What this record establishes

Archived notice · 2001-02-08 01:07Z

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 03/01 011323Z FEB 01. Issued 2001-02-02 07:55Z. 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 map shows an area described by the warning; the listed coordinate is its representative center. 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 · 30 in this warning

opens (UTC)closes (UTC)locallength
2001-02-07 17:00Z2001-02-08 00:28Z—7 h 28
2001-02-08 17:00Z2001-02-09 00:28Z—7 h 28
2001-02-09 17:00Z2001-02-10 00:28Z—7 h 28
2001-02-10 17:00Z2001-02-11 00:28Z—7 h 28
2001-02-11 17:00Z2001-02-12 00:28Z—7 h 28
2001-02-12 17:00Z2001-02-13 00:28Z—7 h 28
2001-02-13 17:00Z2001-02-14 00:28Z—7 h 28
2001-02-14 17:00Z2001-02-15 00:28Z—7 h 28
… 22 more

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

issued
2001-02-02 07:55Z
status
Archived notice
self-cancels
2001-03-09 01:28Z
authority
COMAR GUYANE 03/01 011323Z FEB 01
issued by
COMAR GUYANE
sea
North Atlantic Ocean
position
4.221, -38.673
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

1. HAZARDOUS OPERATIONS 1700Z TO 0028Z COMMENCING DAILY
   07 FEB THRU 08 MAR IN AREAS:
   A. WITHIN 12 MILES OF COASTLINE BETWEEN
      05-19N 052-47W AND 05-04N 052-30W.
   B. BOUND BY 05-36N 049-45W, 05-28N 049-44W,
      05-18N 051-25W, 05-27N 051-26W.
   C. BOUND BY 05-14N 043-24W, 04-54N 043-24W,
      04-58N 045-17W, 05-18N 045-16W.
   E. BOUND BY 05-00N 041-39W, 04-43N 041-40W,
      04-51N 044-05W, 05-08N 044-04W.
   D. BOUND BY 02-32N 022-08W, 02-10N 022-10W,
      02-50N 027-48W, 03-13N 027-46W.
2. CANCEL THIS MSG 090128Z MAR.

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

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

00
05
10
15
18

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

30 military exercises listed in force · see all

Record snapshot 2026-09-25 21:36Z; 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.