Missiles

Gunnery and missile operations 0800Z to 1700Z daily 25 thru 27 oct in areas bound by: a. 02-05N 004-00E,…

Gulf of Guinea · HYDROLANT 2587/21

What this record establishes

Archived notice · 2021-10-27 18:00Z

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 II 393/21 200334Z OCT 21.. Issued 2021-10-20 04:57Z. 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: Gulf of Guinea. 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 Gulf of Guinea →

Activity windows · 3 in this warning

opens (UTC)	closes (UTC)	local	length
2021-10-25 08:00Z	2021-10-25 17:00Z	—	9 h
2021-10-26 08:00Z	2021-10-26 17:00Z	—	9 h
2021-10-27 08:00Z	2021-10-27 17:00Z	—	9 h

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

issued: 2021-10-20 04:57Z
status: Archived notice
self-cancels: 2021-10-27 18:00Z
authority: NAVAREA II 393/21 200334Z OCT 21.
NAVAREA: NAVAREA II · named as the source of this relay
sea: Gulf of Guinea
position: 1.833, 4.375
source: NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

EASTERN NORTH ATLANTIC.
GULF OF GUINEA.
DNC 01.
1. GUNNERY AND MISSILE OPERATIONS 0800Z TO 1700Z
   DAILY 25 THRU 27 OCT IN AREAS BOUND BY:
   A. 02-05N 004-00E, 02-05N 004-45E,
      01-35N 004-45E, 01-35N 004-00E.
   B. 01-00N 001-25E, 01-00N 001-40E,
      00-30N 001-40E, 00-30N 001-25E.
2. CANCEL THIS MSG 271800Z OCT 21.

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.
Gunnery and live firing: Naval or coastal guns firing into a sea area for practice, at stated times.
Missile firing: Missile tests or exercises, with the danger area and times during which missiles may be in flight or falling.
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.
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

1 within 180 nm since 2021 · 0 in the last 12 months · 0 listed in force now

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

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

Last known positions of mobile oil rigs and drill ships at 040430 UTC sep 26Surveys · 41.4 nm

Worldwide in the collected sources

8 missile & rocket hazards listed in force · see all

Record snapshot 2026-10-03 08:02Z; 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.