Piracy

Increased piracy activity is expected for the next 24-48 hours vicinity 13-30N 049-45E (approximately 84…

Gulf of Aden · HYDROPAC 1191/11

What this record establishes

Archived notice · 2011-04-23 09:31Z

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) · ONI SPECIAL ADVISORY 181829Z APR 11.. Issued 2011-04-18 18:48Z. 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 Aden. The parsed report position is 13.500, 49.750. 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

These reports were linked by category and sea, with positions within 30 nautical miles and issue dates within 30 days of another report's recorded in-force span. Links can extend through other members, so the full group can cover a larger area or period. Proximity does not confirm that they describe one incident.

  1. HYDROPAC 1137/112011-04-12 · Archived notice
  2. HYDROPAC 1191/11 · this notice2011-04-18 · Archived notice
Compare all 2 notices, changes and original texts →

Current notices and reporting history in the Gulf of Aden →

issued
2011-04-18 18:48Z
status
Archived notice
authority
ONI SPECIAL ADVISORY 181829Z APR 11.
issued by
ONI SPECIAL ADVISORY
sea
Gulf of Aden
position
13.500, 49.750
source
NGA MSI broadcast-warn JSON (archive, frozen 2024-05) · first seen 2026-08-17 13:38Z

Original warning text

GULF OF ADEN.
PIRACY.
INCREASED PIRACY ACTIVITY IS EXPECTED FOR
THE NEXT 24-48 HOURS VICINITY 13-30N 049-45E
(APPROXIMATELY 84 MILES OFF AL MUKALLA).
CAUTION ADVISED.

Reading this warning

Piracy and armed robbery
Attacks and attempted boardings of ships, and suspicious approaches by small craft.
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.

All warning terms →

Collected reports in this area · piracy & armed robbery reports

114 within 180 nm since 2007 · 3 in the last 12 months · 0 listed in force now

07
10
15
20
25
26

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

0 piracy & armed robbery reports listed in force · see all

Record snapshot 2026-10-03 08:30Z; source collection times vary.

Piracy

Vessels attacked or boarded, suspicious approaches, pirate action groups — Gulf of Aden, Gulf of Guinea, Malacca and Singapore Straits, South China Sea. All current piracy & armed robbery reports →

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.