Missiles

Hazardous operations a. 1545Z to 2248Z daily 15 thru 18 feb in area bound by 05-22N 052-52W, 05-35N 052-46W,…

North Atlantic Ocean · HYDROLANT 251/11

What this record establishes

Archived notice · 2011-02-17 01:57Z

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) · MARINE GUYANE ARIANE V200 272126Z JAN 11.. Issued 2011-02-11 00:20Z. 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

These messages are connected by recorded cancellation references. The links establish relationships between notices; they do not by themselves confirm a single object, a continuous track, or recovery.

  1. HYDROLANT 247/112011-02-10 · Archived notice
  2. HYDROLANT 251/11 · this notice2011-02-11 · Archived notice
Compare all 2 notices, changes and original texts →

Current notices and reporting history in the North Atlantic Ocean →

Activity windows · 8 in this warning

opens (UTC)closes (UTC)locallength
2011-02-15 15:45Z2011-02-15 22:48Z—7 h 03
2011-02-15 20:14Z2011-02-16 00:03Z—3 h 49
2011-02-16 15:45Z2011-02-16 22:48Z—7 h 03
2011-02-16 20:14Z2011-02-17 00:03Z—3 h 49
2011-02-17 15:45Z2011-02-17 22:48Z—7 h 03
2011-02-17 20:14Z2011-02-18 00:03Z—3 h 49
2011-02-18 15:45Z2011-02-18 22:48Z—7 h 03
2011-02-18 20:14Z2011-02-19 00:03Z—3 h 49

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

issued
2011-02-11 00:20Z
status
Archived notice
self-cancels
2011-02-19 01:03Z
authority
MARINE GUYANE ARIANE V200 272126Z JAN 11.
issued by
COMAR GUYANE
sea
North Atlantic Ocean
position
40.126, -17.092
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

NORTH ATLANTIC.
ROCKETS.
1. HAZARDOUS OPERATIONS
   A. 1545Z TO 2248Z DAILY 15 THRU 18 FEB
      IN AREA BOUND BY
      05-22N 052-52W, 05-35N 052-46W,
      05-27N 052-28W, 05-18N 052-19W,
      05-03N 052-30W.
   B. 2014Z TO 0003Z COMMENCING DAILY 15 THRU 18 FEB
      IN AREA BOUND BY
      41-53N 012-42W, 38-06N 019-32W,
      39-12N 020-38W, 43-03N 013-45W.
2. CANCEL HYDROLANT 247/11.
3. CANCEL THIS MSG 190103Z FEB.

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.
Area bound by
Introduces a list of positions that are the corners of an area — the polygon the warning applies to.
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.
Cancellation reference
A line that cancels an earlier warning by its number, such as CANCEL HYDROLANT 1085/12.
HYDROLANT
The U.S. long-range warning series for Atlantic waters outside NAVAREA IV, including the eastern Atlantic, the Mediterranean and adjoining seas.
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 · missile & rocket hazards

8 within 180 nm since 2011 · 0 in the last 12 months · 0 listed in force now

11
15
20
23

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

4 missile & rocket hazards listed in force · see all

Record snapshot 2026-09-24 17:30Z; source collection times vary.

Missiles

Missile firings, rocket launches and space debris re-entry areas. All current missile & rocket hazards →

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.