Missiles

Missile operations 150001Z to 292359Z oct in area bound by 51-44.0S 058-01.6W, 51-44.4S 057-53.4W, 51-48.1S…

South Atlantic Ocean · HYDROLANT 3210/18

What this record establishes

Archived notice · 2018-10-30 00:59Z

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) · NAVAREA VI 426/18 121554Z OCT 18.. Issued 2018-10-12 15:54Z. 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
South 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.

Current notices and reporting history in the South Atlantic Ocean →

Activity windows · 1 in this warning

opens (UTC)closes (UTC)locallength
2018-10-15 00:01Z2018-10-29 23:59Z—359 h 58

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

issued
2018-10-12 15:54Z
status
Archived notice
self-cancels
2018-10-30 00:59Z
authority
NAVAREA VI 426/18 121554Z OCT 18.
NAVAREA
NAVAREA VI · named as the source of this relay
sea
South Atlantic Ocean
position
-51.838, -57.884
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

WESTERN SOUTH ATLANTIC.
FALKLAND ISLANDS.
DNC 07.
1. MISSILE OPERATIONS 150001Z TO 292359Z OCT
   IN AREA BOUND BY
   51-44.0S 058-01.6W, 51-44.4S 057-53.4W,
   51-48.1S 057-40.1W, 51-55.2S 057-47.1W,
   51-57.2S 058-00.8W, 51-49.4S 058-01.6W,
   51-44.0S 058-01.6W.
2. CANCEL THIS MSG 300059Z OCT 18.

Reading this warning

DNC (Digital Nautical Chart)
A reference to one of the regions of NGA's Digital Nautical Chart, used to tell the reader which charts a warning affects.
Missile firing
Missile tests or exercises, with the danger area and times during which missiles may be in flight or falling.
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.
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.
CANCEL THIS MSG
The warning's own expiry: a line telling the reader when the message cancels itself.

All warning terms →

Collected reports in this area · missile & rocket hazards

11 within 180 nm since 2010 · 0 in the last 12 months · 0 listed in force now

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

6 missile & rocket hazards listed in force · see all

Record snapshot 2026-10-02 19:46Z; 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.